{"id":2613,"date":"2016-11-07T09:15:06","date_gmt":"2016-11-07T14:15:06","guid":{"rendered":"https:\/\/www.kaspersky.com.tr\/blog\/?p=2613"},"modified":"2019-11-15T14:55:28","modified_gmt":"2019-11-15T11:55:28","slug":"ransomware-faq","status":"publish","type":"post","link":"https:\/\/www.kaspersky.com.tr\/blog\/ransomware-faq\/2613\/","title":{"rendered":"Fidye yaz\u0131l\u0131m\u0131 hakk\u0131nda bilmeniz gereken her \u015fey"},"content":{"rendered":"<p>Bu yaz\u0131m\u0131z sizi 300$ fidye \u00f6demekten kurtarabilir. Bu rakam ortalama bir fidye yaz\u0131l\u0131m\u0131n\u0131n, bilgisayar\u0131na bula\u015fan bilgisayar kullan\u0131c\u0131s\u0131ndan dosyalar\u0131 kurtarmas\u0131 ya da kilitledi\u011fi bilgisayar\u0131n\u0131 a\u00e7mas\u0131 i\u00e7in talep etti\u011fi miktard\u0131r.  <\/p>\n<p>Fidye yaz\u0131l\u0131m\u0131ndan etkilenmek son derece basittir. G\u00fcnlerce \u00fccretsiz porno araman\u0131z ya da spam mail a\u00e7man\u0131z gerekmez. Hatta kimi durumlarda yanl\u0131\u015f hi\u00e7bir \u015fey yapman\u0131z bile gerekmez. S\u00fcrekli tehdit alt\u0131ndas\u0131n\u0131z. Yaz\u0131m\u0131z\u0131n devam\u0131n\u0131 okuyarak nas\u0131l tehlike alt\u0131nda oldu\u011funuzu ve korunmak i\u00e7in neler yapabilece\u011finizi \u00f6\u011frenebilirsiniz. <\/p>\n<p><strong>1.Fidye yaz\u0131l\u0131m\u0131 nedir? <\/strong><br>\nFidye yaz\u0131l\u0131m\u0131 bilgisayar\u0131n\u0131z\u0131, tabletinizi, ak\u0131ll\u0131 telefonunuzu kilitleyen ya da dosyalar\u0131n\u0131z\u0131 \u015fifreleyerek, verilerinizi geri g\u00fcvenli alabilmeniz i\u00e7in fidye talep eder. Temel olarak <a href=\"https:\/\/www.kaspersky.com.tr\/blog\/ransomware-blocker-to-cryptor\/2221\/\" target=\"_blank\" rel=\"noopener noreferrer\">iki t\u00fcr fidye yaz\u0131l\u0131m\u0131<\/a> vard\u0131r. <\/p>\n<p>\u0130lk t\u00fcr, <em>\u015fifreliyicilerdir<\/em>. Dosyalar\u0131n\u0131z\u0131 \u015fifreleyerek eri\u015filmez hale getiriyorlar. Dosyalar\u0131n \u015fifresini \u00e7\u00f6zmek i\u00e7in \u015fifreleme anahtar\u0131n\u0131za ihtiyac\u0131n\u0131z var \u2013 bu anahtar da fidye kar\u015f\u0131l\u0131\u011f\u0131 sat\u0131l\u0131yor. <\/p>\n<p>\u00d6b\u00fcr t\u00fcr ise <em>engelleyicilerdir<\/em>. Basit\u00e7e anlatmak gerekirse bu da bilgisayar\u0131n\u0131z\u0131 ya da di\u011fer cihazlar\u0131n\u0131 engeller. B\u00f6ylelikle hi\u00e7bir i\u015flem yapamazs\u0131n\u0131z. Engelleyiciler, \u015fifreleyicilere g\u00f6re bir nebze daha iyidir \u00e7\u00fcnk\u00fc ma\u011fdurun \u015fifrelenmi\u015f dosyalar\u0131 kurtarmaktansa kilitlenmi\u015f hesab\u0131 a\u00e7mas\u0131 daha y\u00fcksek ihtimaldir. <\/p>\n<p><strong>2.Talep edilen fidye ne kadar?<\/strong><br>\nAsl\u0131nda ger\u00e7ekten \u2018ortalama\u2019 diye bir \u015fey yok. Kimi programlar 30$ gibi k\u00fc\u00e7\u00fck bir \u00fccret talep ederken kimileri <a href=\"https:\/\/www.kaspersky.com\/blog\/locky-ransomware\/11667\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">on binlerce dolar istiyorlar<\/a>. Orta ve b\u00fcy\u00fck \u00f6l\u00e7ekli i\u015fletmeler genelde <a href=\"https:\/\/usa.kaspersky.com\/internet-security-center\/definitions\/spear-phishing?&amp;_ga=1.27783871.2016803411.1475150380#.WCCCwCS85P1\" target=\"_blank\" rel=\"noopener noreferrer\">hedef odakl\u0131 oltalama sald\u0131r\u0131s\u0131<\/a> yap\u0131ld\u0131\u011f\u0131 i\u00e7in istenen fidye miktar\u0131 art\u0131yor. <\/p>\n<p>\u015eunu da unutmay\u0131n, fidyenizi \u00f6demi\u015f olman\u0131z dosyalar\u0131n\u0131z\u0131 geri alabilece\u011finiz anlam\u0131na gelmiyor.<br>\n<strong><br>\n3.Fidye \u00f6demeden \u015fifrelenmi\u015f dosyalar\u0131m\u0131n \u015fifresini \u00e7\u00f6zebilir miyim?<\/strong><br>\nBazen. Fidye yaz\u0131l\u0131mlar\u0131n\u0131n \u00e7o\u011fu g\u00fc\u00e7l\u00fc \u015fifreleme algoritmalar\u0131 kullan\u0131r, bu sebeple \u015fifreleme anahtar\u0131 olmadan \u00e7\u00f6zmeniz birka\u00e7 y\u0131l\u0131 bulabilir. <\/p>\n<p>Fidye yaz\u0131l\u0131mlar\u0131n\u0131n geli\u015ftiricileri bazen hata yaparlar. Bu hata da kolluk kuvvetlerinin sald\u0131r\u0131y\u0131 ger\u00e7ekle\u015ftiren sunucuyu bulmas\u0131na dolay\u0131s\u0131yla \u015fifreleme anahtar\u0131na ula\u015fmas\u0131na sebep olabiliyor. \u015eifreleme anahtar\u0131na eri\u015fildi\u011finde ise, \u2018iyi geli\u015ftiriciler\u2019 bu yaz\u0131l\u0131mlar\u0131 \u00e7\u00f6zecek programlar geli\u015ftiriyor.  <\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\">\n<p lang=\"tr\" dir=\"ltr\">\u0130\u015finiz i\u00e7in hemen \u00fccretsiz fidye yaz\u0131l\u0131m\u0131na kar\u015f\u0131 koruma arac\u0131n\u0131 indirin! <a href=\"https:\/\/t.co\/orc9AXgYeL\" target=\"_blank\" rel=\"noopener nofollow\">https:\/\/t.co\/orc9AXgYeL<\/a> <a href=\"https:\/\/t.co\/YxvJrylRJh\" target=\"_blank\" rel=\"noopener nofollow\">pic.twitter.com\/YxvJrylRJh<\/a><\/p>\n<p>\u2014 Kaspersky T\u00fcrkiye (@KasperskyTR) <a href=\"https:\/\/twitter.com\/KasperskyTR\/status\/772776476596985857?ref_src=twsrc%5Etfw\" target=\"_blank\" rel=\"noopener nofollow\">September 5, 2016<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><br>\n<strong><br>\n4.Fidye nas\u0131l \u00f6denir?<\/strong><br>\nGenellikle, fidyeler \u015fifrelenmi\u015f para birimi olan Bitcoin olarak istenir. Elektronik para birimi olan Bitcoin\u2019in sahtesi yap\u0131lamaz. Para transferi herkes taraf\u0131ndan g\u00f6r\u00fclebilir ancak paran\u0131n transfer edildi\u011fi kullan\u0131c\u0131 kolayca takip edilemez. Bu sebeple su\u00e7lular genel olarak Bitcoin tercih ederler: yakalanma \u015fanslar\u0131 daha da azal\u0131r.  <\/p>\n<p>Baz\u0131 fidye yaz\u0131l\u0131mlar\u0131 i\u00e7in kimli\u011fi belirsiz online c\u00fczdanlar kullan\u0131l\u0131r, kimileri i\u00e7in mobil \u00f6deme kullan\u0131l\u0131r. Fidye yaz\u0131l\u0131m\u0131nda g\u00f6r\u00fclm\u00fc\u015f en garip fidye isteme y\u00f6ntemi ise 50$ de\u011ferindeki iTunes kart\u0131 oldu. <\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">Simplifying blockchain \u2013 <a href=\"https:\/\/t.co\/o6X4YhjHjh\" target=\"_blank\" rel=\"noopener nofollow\">https:\/\/t.co\/o6X4YhjHjh<\/a> <a href=\"https:\/\/twitter.com\/hashtag\/bitcoin?src=hash&amp;ref_src=twsrc%5Etfw\" target=\"_blank\" rel=\"noopener nofollow\">#bitcoin<\/a> <a href=\"https:\/\/twitter.com\/hashtag\/infosec101?src=hash&amp;ref_src=twsrc%5Etfw\" target=\"_blank\" rel=\"noopener nofollow\">#infosec101<\/a> <a href=\"https:\/\/twitter.com\/hashtag\/banking?src=hash&amp;ref_src=twsrc%5Etfw\" target=\"_blank\" rel=\"noopener nofollow\">#banking<\/a> <a href=\"https:\/\/t.co\/HbyUYTyt4J\" target=\"_blank\" rel=\"noopener nofollow\">pic.twitter.com\/HbyUYTyt4J<\/a><\/p>\n<p>\u2014 Kaspersky (@kaspersky) <a href=\"https:\/\/twitter.com\/kaspersky\/status\/773936521623764993?ref_src=twsrc%5Etfw\" target=\"_blank\" rel=\"noopener nofollow\">September 8, 2016<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><br>\n<strong><br>\n5.Fidye yaz\u0131l\u0131m\u0131 bilgisayar\u0131ma nas\u0131l bula\u015fabilir? <\/strong><br>\nEn klasik y\u00f6ntem e-maildir. Fidye yaz\u0131l\u0131m\u0131 size \u00f6nemli eki olan bir mail olarak gelebilir (Fatura, ilgi \u00e7ekici bir makale, \u00fccretsiz bir uygulama vs). Maili a\u00e7t\u0131\u011f\u0131n\u0131zda bilgisayar\u0131n\u0131za bula\u015f\u0131r. <\/p>\n<p>Fidye yaz\u0131l\u0131m\u0131 siz internette dola\u015f\u0131rken de bilgisayar\u0131n\u0131za girebilir. Sisteminizi ele ge\u00e7irmek i\u00e7in bu yaz\u0131l\u0131mlar\u0131 yapanlar i\u015fletim sisteminizin, taray\u0131c\u0131n\u0131z\u0131n ya da ba\u015fka programlar\u0131n a\u00e7\u0131klar\u0131n\u0131 kullan\u0131r. Bu sebeple i\u015fletim sisteminizi ve yaz\u0131l\u0131mlar\u0131n\u0131z\u0131 s\u00fcrekli g\u00fcncel tutman\u0131z \u00e7ok \u00f6nemli (Bu arada <a href=\"http:\/\/kas.pr\/kdkistr\" target=\"_blank\" rel=\"noopener noreferrer\">Kaspersky Internet Security<\/a> ve <a href=\"https:\/\/kas.pr\/kdktstr\" target=\"_blank\" rel=\"noopener noreferrer\">Kaspersky Total Security<\/a> g\u00fcncellemeri otomatik olarak yap\u0131yor. <\/p>\n<p>Baz\u0131 fidye yaz\u0131l\u0131mlar\u0131 <a href=\"https:\/\/www.kaspersky.com\/blog\/cerber-multipurpose-malware\/12221\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">yerel a\u011f \u00fczerinden da\u011f\u0131tabilir<\/a>. E\u011fer b\u00f6yle bir fidye yaz\u0131l\u0131m\u0131 size bula\u015ft\u0131ysa, ayn\u0131 a\u011fda bulunan di\u011fer ev cihazlar\u0131na ya da i\u015f arkada\u015flar\u0131n\u0131za da bula\u015facakt\u0131r. Ama bu nadir bir durum. <\/p>\n<p>Tabi ba\u015fka <a href=\"http:\/\/www.pcworld.com\/article\/206107\/most_dangerous_places_on_the_web.html\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">olas\u0131 senaryolar<\/a> da var. Mesela torrentten bir \u015fey indirdiniz, daha sonra bir eklenti kurdunuz.. Devam\u0131n\u0131 tahmin edebilirsiniz..<br>\n<strong><br>\n6.Hangi t\u00fcr dosyalar en tehlikelileri?<\/strong><br>\nEn \u015f\u00fcpheli dosyalar \u00e7al\u0131\u015ft\u0131r\u0131labilir dosyalard\u0131r (Mesela EXE ve SCR uzant\u0131l\u0131 dosyalar), tabi .VSB ve .JS dosyalar\u0131 da tehlikelidir. B\u00fcy\u00fck \u00e7o\u011funlu\u011fu ZIP ya da RAR halinde g\u00f6nderilir, b\u00f6ylelikle dosya i\u00e7eri\u011fini g\u00f6remezsiniz. <\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">10 tips to protect your files from ransomware <a href=\"https:\/\/t.co\/o0IpUU9CHb\" target=\"_blank\" rel=\"noopener nofollow\">https:\/\/t.co\/o0IpUU9CHb<\/a> <a href=\"https:\/\/twitter.com\/hashtag\/iteducation?src=hash&amp;ref_src=twsrc%5Etfw\" target=\"_blank\" rel=\"noopener nofollow\">#iteducation<\/a> <a href=\"https:\/\/t.co\/I47sPIiWFF\" target=\"_blank\" rel=\"noopener nofollow\">pic.twitter.com\/I47sPIiWFF<\/a><\/p>\n<p>\u2014 Kaspersky (@kaspersky) <a href=\"https:\/\/twitter.com\/kaspersky\/status\/671348678607642624?ref_src=twsrc%5Etfw\" target=\"_blank\" rel=\"noopener nofollow\">November 30, 2015<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>Di\u011fer tehlikeli kategori ise Office dosyalar\u0131d\u0131r (DOC, DOCX, XLS, XLSX, PPT vs). Dayan\u0131ks\u0131z makrolar i\u00e7erebilirler, e\u011fer Word dosyas\u0131nda makrolar\u0131 aktif etmek istiyorsan\u0131z tekrar d\u00fc\u015f\u00fcnmelisiniz. <\/p>\n<p>Dosya k\u0131sayollar\u0131na da dikkat edin (.LNK uzant\u0131s\u0131). Windows bu dosyay\u0131 size her ikon ve masum bir dosya ad\u0131 ile g\u00f6sterebilir. Ancak t\u0131klaman\u0131z tehlike yaratacakt\u0131r. <\/p>\n<p>\u00d6nemli not: Windows bilinen uzant\u0131ya sahip dosyalar\u0131 kullan\u0131c\u0131ya sormadan a\u00e7ar ve varsay\u0131lan olarak uzant\u0131lar\u0131 kullan\u0131c\u0131ya g\u00f6stermez. Yani e\u011fer \u00d6nemli_bilgi.txt gibi bir dosya g\u00f6r\u00fcrseniz, bunun anlam\u0131 \u015fudur; dosya ismi ger\u00e7ekte \u00d6nemli_bilgi.txt.exe\u2019dir ve zararl\u0131 yaz\u0131l\u0131m y\u00fcklemenizi sa\u011flar. <a href=\"http:\/\/www.mazotkacakcisi.com\/windows-10-dosya-uzantisi-gosterme-veya-gizleme\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">Windows\u2019un uzant\u0131lar\u0131 g\u00f6stermesini sa\u011flayarak<\/a> g\u00fcvenli\u011finizi artt\u0131rabilirsiniz. <\/p>\n<p><strong>7.\u015e\u00fcpheli eklerden ve zararl\u0131 internet sitelerinden uzak dursam, bana bula\u015fmamas\u0131n\u0131 sa\u011flayabilir miyim? <\/strong><br>\nMaalesef, dikkatli kullan\u0131c\u0131lara bile fidye yaz\u0131l\u0131m\u0131 bula\u015fabiliyor. \u00d6rne\u011fin, pop\u00fcler bir internet sitesinde haber okurkan dahi bula\u015fma ihtimali var. <\/p>\n<p>Tabi internet sitesi zararl\u0131 yaz\u0131l\u0131m\u0131 takip\u00e7ilerine kendisi da\u011f\u0131tm\u0131yor \u2013 tabi site hacklenmedi\u011fi s\u00fcrece ki bu da ba\u015fka bir hikaye. Buna ra\u011fmen, reklam a\u011flar\u0131 siber su\u00e7lular taraf\u0131ndan hacklenebilir ve reklamlarla zararl\u0131 yaz\u0131l\u0131m da\u011f\u0131t\u0131labilir. Ve sistem a\u00e7\u0131\u011f\u0131 bulunan veya g\u00fcncellenmemi\u015f a\u00e7\u0131klar sayesinde bilgisayar\u0131n\u0131za yaz\u0131l\u0131m bula\u015fabilir. Yani tekrar, g\u00fcncel programlar ve sistemler en \u00f6nemli nokta. <\/p>\n<p><strong>8.Mac kullan\u0131yorum, fidye yaz\u0131l\u0131m\u0131ndan endi\u015felenmem gerekmez de\u011fil mi? <\/strong><br>\nMac cihazlara da fidye yaz\u0131l\u0131m\u0131 bula\u015fabilir. \u00d6rne\u011fin, <a href=\"https:\/\/www.kaspersky.com.tr\/blog\/mac-malware-again\/2041\/\" target=\"_blank\" rel=\"noopener noreferrer\">KeRanger fidye yaz\u0131l\u0131m\u0131<\/a> Mac kullan\u0131c\u0131lar\u0131n\u0131 vurdu. <\/p>\n<p><a href=\"https:\/\/www.kaspersky.com\/blog\/kaspersky-predictions-2016\/10801\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">Uzmanlar\u0131m\u0131za g\u00f6re<\/a> Apple sistemlerini hedef alan fidye yaz\u0131l\u0131m\u0131 say\u0131s\u0131 artacak. Apple cihazlar\u0131n di\u011ferlerinden pahall\u0131 oldu\u011funu da g\u00f6z \u00f6n\u00fcnde bulundurursak, fidye yaz\u0131l\u0131m\u0131 bula\u015fan Mac kullan\u0131c\u0131lar\u0131ndan daha fazla fidye isteyecekler.<\/p>\n<p>Hatta baz\u0131 fidye yaz\u0131l\u0131mlar\u0131 Linux sistemini hedef al\u0131yor. Yani hi\u00e7bir sistem bu kar\u015f\u0131s\u0131nda g\u00fcvende de\u011fil. <\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">Wait, my Mac can be infected? <a href=\"https:\/\/t.co\/7Zyb3WCT3s\" target=\"_blank\" rel=\"noopener nofollow\">https:\/\/t.co\/7Zyb3WCT3s<\/a> <a href=\"https:\/\/t.co\/14fXrHytMQ\" target=\"_blank\" rel=\"noopener nofollow\">pic.twitter.com\/14fXrHytMQ<\/a><\/p>\n<p>\u2014 Eugene Kaspersky (@e_kaspersky) <a href=\"https:\/\/twitter.com\/e_kaspersky\/status\/707594823209918464?ref_src=twsrc%5Etfw\" target=\"_blank\" rel=\"noopener nofollow\">March 9, 2016<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p><strong>9.\u0130nternete ba\u011flanmak i\u00e7in telefon kullan\u0131yorum. Endi\u015felenmem gerekir mi? <\/strong><br>\nEvet. \u00d6rne\u011fin, Android cihazlar i\u00e7in \u015fifreleyiciler ve <a href=\"http:\/\/kas.pr\/MzX6\" target=\"_blank\" rel=\"noopener noreferrer\">kilitleyiciler<\/a> mevcut. Hatta kilitleyiciler daha yo\u011fun. <a href=\"http:\/\/kas.pr\/kdkisatr\" target=\"_blank\" rel=\"noopener noreferrer\">Telefonunuzda anti vir\u00fcs yaz\u0131l\u0131m\u0131<\/a> kullanmak paranoyak\u00e7a bir davran\u0131\u015f olmaz.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/media.kasperskydaily.com\/wp-content\/uploads\/sites\/91\/2016\/11\/06013700\/small-fusob-screen.jpg\" alt=\"small-fusob-screen\" width=\"1042\" height=\"1024\" class=\"alignnone size-full wp-image-2615\"><br>\n<strong><br>\n10.iPhone cihazlar da tehlikede mi? <\/strong><br>\n\u015eu ana kadar hi\u00e7bir iPad ve iPhone kullan\u0131c\u0131s\u0131n\u0131n fidye yaz\u0131l\u0131m\u0131 \u015fikayeti olmad\u0131. Bu arada sadece k\u0131r\u0131lmam\u0131\u015f cihazlardan bahsediyoruz (Jailbreak yap\u0131lmam\u0131\u015f cihazlar). iOS ve Apple\u2019\u0131n \u00f6zel uygulama marketi olan App Store\u2019a ba\u011fl\u0131 olmayan cihazlar zararl\u0131 yaz\u0131l\u0131mlardan zarar g\u00f6rebilir. <\/p>\n<p>Belki k\u0131r\u0131lmam\u0131\u015f iPhone cihazlar\u0131 i\u00e7in fidye yaz\u0131l\u0131mlar\u0131 \u00fczerinde \u00e7al\u0131\u015f\u0131l\u0131yor olabilir. Belki ilerde Nesnelerin \u0130nterneti\u2019ni de etkileyen bir fidye yaz\u0131l\u0131m\u0131 yap\u0131l\u0131r. Siber su\u00e7lular televizyonumuzun ya da buzdolab\u0131m\u0131z\u0131n kontrol\u00fcn\u00fc ele ge\u00e7irerek y\u00fcksek fidyeler talep edebilir. <\/p>\n<p><strong>11.Bilgisayar\u0131m\u0131n fidye yaz\u0131l\u0131m\u0131ndan etkilenip etkilenmedi\u011fini nas\u0131l anlayaca\u011f\u0131m? <\/strong><br>\nMerak etmeyin, fidye yaz\u0131l\u0131mlar\u0131 kendilerini belli ederler. Mesela \u015f\u00f6yle; <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/media.kasperskydaily.com\/wp-content\/uploads\/sites\/91\/2016\/11\/06013659\/teslacrypt-screen.png\" alt=\"teslacrypt-screen\" width=\"947\" height=\"903\" class=\"alignnone size-full wp-image-2616\"><\/p>\n<p>Ya da b\u00f6yle;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/media.kasperskydaily.com\/wp-content\/uploads\/sites\/91\/2016\/11\/06013657\/rfaq-dedcryptor-screen.jpg\" alt=\"rfaq-dedcryptor-screen\" width=\"1280\" height=\"768\" class=\"alignnone size-full wp-image-2617\"><\/p>\n<p>Veya;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/media.kasperskydaily.com\/wp-content\/uploads\/sites\/91\/2016\/11\/06013656\/eda2-screenshot.jpg\" alt=\"eda2-screenshot\" width=\"600\" height=\"360\" class=\"alignnone size-full wp-image-2618\"><\/p>\n<p>Engelleyiciler genelde b\u00f6yle g\u00f6z\u00fck\u00fcr:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/media.kasperskydaily.com\/wp-content\/uploads\/sites\/91\/2016\/11\/06013654\/locker-screen.png\" alt=\"locker-screen\" width=\"1024\" height=\"674\" class=\"alignnone size-full wp-image-2619\"><\/p>\n<p><strong>12.En yayg\u0131n fidye yaz\u0131l\u0131m t\u00fcr\u00fc hangisidir? <\/strong><br>\nHer g\u00fcn yeni fidye yaz\u0131l\u0131m\u0131 t\u00fcr\u00fc \u00e7\u0131k\u0131yor, bu sebeple en pop\u00fcleri diyerek birini se\u00e7mek \u00e7ok zor. Ancak size birka\u00e7 tane \u00f6nemli sayabiliriz. Mesela Petya, <a href=\"https:\/\/www.kaspersky.com\/blog\/petya-ransomware\/11715\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">t\u00fcm sabit diski \u015fifreler<\/a>. CryptXXX denilen, <a href=\"https:\/\/www.kaspersky.com.tr\/blog\/cryptxxx-decryption-20\/2058\/\" target=\"_blank\" rel=\"noopener noreferrer\">iki defa \u00e7\u00f6zmemize ra\u011fmen<\/a> tekrar var olan g\u00fc\u00e7l\u00fc bir t\u00fcr var. Ve evet, TeslaCrypt.. 2016\u2019n\u0131n ilk d\u00f6rt ay\u0131nda son derece yay\u0131lm\u0131\u015f bir t\u00fcr. Garip bir \u015fekilde \u00fcreticileri \u015fifrelerin \u00e7\u00f6z\u00fclmesi i\u00e7in gereken <a href=\"https:\/\/www.kaspersky.com\/blog\/raknidecryptor-vs-teslacrypt\/12169\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">anahtar\u0131 kendileri da\u011f\u0131tt\u0131<\/a>. <\/p>\n<p><strong>13.Fidye cihaz\u0131 bula\u015f\u0131rsa, ne yapmal\u0131y\u0131m?  <\/strong><br>\nE\u011fer bilgisayar\u0131n\u0131z\u0131 kilitlenmi\u015f bulursan\u0131z \u2013 b\u00f6yle bir durumda i\u015fletim sistemi y\u00fcklenmeyecektir \u2013 <a href=\"https:\/\/www.kaspersky.com\/blog\/kaspersky-windowsunlocker-2\/12275\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">Kaspersky WindowsUnlocker<\/a> kullan\u0131n. Bu \u00fccretsiz ara\u00e7 kilitleyiciyi kald\u0131rarak Windows\u2019u ba\u015flatman\u0131z\u0131 sa\u011flayacakt\u0131r. <\/p>\n<p>\u015eifreleyicilerin k\u0131r\u0131lmas\u0131 daha zordur. \u00d6ncelikle anti vir\u00fcs program\u0131 ile bilgisayar\u0131n\u0131z\u0131 taratarak zararl\u0131 yaz\u0131l\u0131mdan kurtulman\u0131z laz\u0131m. E\u011fer bilgisayar\u0131n\u0131zda bir anti vir\u00fcs yaz\u0131l\u0131m\u0131 yoksa, buradan <a href=\"https:\/\/www.kaspersky.com.tr\/internet-security?icid=tr_kdailyplacehold_acq_ona_smm__onl_b2c_kasperskydaily_wpplaceholder____kismd___\" target=\"_blank\" rel=\"noopener\">\u00fccretsiz deneme s\u00fcr\u00fcm\u00fcm\u00fcz\u00fc<\/a> indirebilirsiniz. <\/p>\n<p>Sonraki a\u015fama dosyalar\u0131n\u0131z\u0131 geri almak. <\/p>\n<p>E\u011fer dosyalar\u0131n\u0131z\u0131n yede\u011fi varsa, basit\u00e7e dosyalar\u0131n\u0131z\u0131 yedekten geri y\u00fckleyebilirsiniz. Ve bu ba\u015f\u0131n\u0131za gelebilecek en iyi \u015feydir. <\/p>\n<p>Ama yede\u011finiz yoksa, \u015fifre \u00e7\u00f6z\u00fcc\u00fcler yard\u0131m\u0131yla dosyalar\u0131n\u0131z\u0131 kurtarmay\u0131 deneyebilirsiniz. Kaspersky taraf\u0131ndan yap\u0131lm\u0131\u015f b\u00fct\u00fcn \u00fccretsiz \u015fifre \u00e7\u00f6z\u00fcc\u00fcleri <a href=\"https:\/\/noransom.kaspersky.com\/?_ga=1.53458731.2016803411.1475150380\" target=\"_blank\" rel=\"noopener noreferrer\">noransom.kaspersky.com<\/a> adresinden bulabilirsiniz.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/media.kasperskydaily.com\/wp-content\/uploads\/sites\/91\/2016\/11\/06013653\/rfaq-noransom-screen.png\" alt=\"rfaq-noransom-screen\" width=\"1280\" height=\"630\" class=\"alignnone size-full wp-image-2620\"><\/p>\n<p>Di\u011fer anti vir\u00fcs firmalar\u0131 da \u015fifre \u00e7\u00f6z\u00fcc\u00fc geli\u015ftiriyorlar. Sadece \u015fundan emin olun, bu programlar\u0131 resmi internet sitelerinden indirin. Yoksa kurtulmaya \u00e7al\u0131\u015f\u0131rken ba\u015fka zararl\u0131 yaz\u0131l\u0131mlarla u\u011fra\u015fmak zorunda kalabilirsiniz. <\/p>\n<p>E\u011fer do\u011fru \u015fifre \u00e7\u00f6z\u00fcc\u00fcy\u00fc bulam\u0131yorsan\u0131z, fidyeyi \u00f6deyebilir ya da dosyalar\u0131n\u0131za elveda diyebilirsiniz. Ama evet, fidye \u00f6demenizi \u00f6nermiyoruz. <\/p>\n<p><strong>14.Niye fidyeyi \u00f6demiyorum?  <\/strong><br>\n\u0130lk olarak, dosyalar\u0131n\u0131z\u0131 geri alaca\u011f\u0131n\u0131z\u0131n garantisi yok. Su\u00e7lulara g\u00fcvenemezsiniz. \u00d6rnek olarak <a href=\"https:\/\/www.kaspersky.com.tr\/blog\/ranscam-ransomware\/2265\/\" target=\"_blank\" rel=\"noopener noreferrer\">Ranscam<\/a>\u2018in yarat\u0131c\u0131lar\u0131. Fidye talep edip para almas\u0131na ra\u011fmen dosyalar\u0131 vermek yerine, zararl\u0131 yaz\u0131l\u0131m bilgisayarda bulunan dosyalar\u0131 siliyor. <\/p>\n<p>Ara\u015ft\u0131rmalar\u0131m\u0131za g\u00f6re,<a href=\"https:\/\/www.kaspersky.com.tr\/blog\/no-no-ransom\/2582\/\" target=\"_blank\" rel=\"noopener noreferrer\"> dosyalar\u0131n\u0131 kurtarmak i\u00e7in fidye \u00f6deyen kullan\u0131c\u0131lar\u0131n %20\u2019si dosyalar\u0131n\u0131 geri almad\u0131<\/a>. <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/media.kasperskydaily.com\/wp-content\/uploads\/sites\/91\/2016\/11\/06013651\/no-no-ransom-IG-1.jpg\" alt=\"no-no-ransom-ig\" width=\"2560\" height=\"1680\" class=\"alignnone size-full wp-image-2621\"><\/p>\n<p>\u0130ki, fidye \u00f6deyerek su\u00e7lulara destekler ve i\u015flerini b\u00fcy\u00fctmelerine olanak sa\u011flars\u0131n\u0131z.<br>\n<strong><br>\n15.\u0130htiyac\u0131m olan \u015fifre \u00e7\u00f6z\u00fcc\u00fcy\u00fc buldum ama neden \u00e7al\u0131\u015fm\u0131yor? <\/strong><br>\nFidye yaz\u0131l\u0131m\u0131 geli\u015ftiricileri yeni \u015fifre \u00e7\u00f6z\u00fcc\u00fc \u00e7\u0131kt\u0131\u011f\u0131nda h\u0131zl\u0131 davran\u0131rlar. \u0130\u015fe yarayan \u015fifre \u00e7\u00f6z\u00fcc\u00fcye g\u00f6re kendi yaz\u0131l\u0131mlar\u0131n\u0131 geli\u015ftirirler. K\u00f6\u015fe kapmaca oyunu gibi d\u00fc\u015f\u00fcnebilirsiniz. K\u00f6t\u00fc olan, \u015fifre \u00e7\u00f6z\u00fcc\u00fcler %100 ba\u015far\u0131 oran\u0131yla \u00e7al\u0131\u015fm\u0131yor. <\/p>\n<p><strong>16.Bula\u015fma s\u00fcreci tespit ettim, ne yapabilirim? <\/strong><br>\nTeorik olarak, e\u011fer zaman\u0131nda fark ederseniz bilgisayar\u0131n\u0131z\u0131 kapat\u0131n, s\u00fcr\u00fcc\u00fcy\u00fc \u00e7\u0131kart\u0131n, ba\u015fka bilgisayara tak\u0131n ve o bilgisayar\u0131n anti vir\u00fcs program\u0131 ile diski temizleyin. Ama ger\u00e7ek hayatta bu prosed\u00fcr\u00fc fark etmek \u00e7ok zor hatta imkans\u0131zd\u0131r. Fidye yaz\u0131l\u0131m\u0131 sessizce \u00e7al\u0131\u015f\u0131r ve bir anda fidye notunu size g\u00f6sterir. <\/p>\n<p><strong>17.Verilerimi d\u00fczenli olarak yedekliyorum, g\u00fcvende miyim? <\/strong><br>\nDosyalar\u0131n\u0131z\u0131 yedeklemek \u015f\u00fcphesiz \u00e7ok i\u015fe yarar bir \u015feydir ama bunun da 100% garantisi yoktur. Mesela \u015f\u00f6yle bir \u015fey d\u00fc\u015f\u00fcn\u00fcn: e\u015finizin bilgisayar\u0131n\u0131 her \u00fc\u00e7 g\u00fcnde bir yedeklenecek \u015fekilde ayarlad\u0131n\u0131z. Sisteme bir \u015fifreleyici bula\u015ft\u0131, sistemde bulunan b\u00fct\u00fcn belgeleri, d\u00f6k\u00fcmanlar\u0131, dosyalar\u0131 \u015fifreledi. Ve bilgisayar kullan\u0131c\u0131s\u0131 \u015fifrelendi\u011fini bir \u015fekilde fark edemedi. 3 g\u00fcn sonra bilgisayar\u0131nda buldu\u011fu yedeklerin hepsi \u015fifrelenmi\u015f olacakt\u0131r. Yedeklemeler hayatidir ancak daha dikkatli olmak laz\u0131m. <\/p>\n<p><strong>18.Anti vir\u00fcs program\u0131 koruma i\u00e7in yeterli midir? <\/strong><br>\nEvet, bir\u00e7ok durumda evet. Kulland\u0131\u011f\u0131n\u0131z anti vir\u00fcs program\u0131na g\u00f6re de de\u011fi\u015fir. <a href=\"https:\/\/www.kaspersky.com.tr\/blog\/effitas-certification\/2528\/\" target=\"_blank\" rel=\"noopener noreferrer\">Ba\u011f\u0131ms\u0131z ara\u015ft\u0131rma kurulu\u015flar\u0131 taraf\u0131ndan yap\u0131lan ara\u015ft\u0131rmalarda<\/a> Kaspersky Lab\u2019\u0131n \u00fcr\u00fcnleri rakiplerinden daha iyi koruma sa\u011fl\u0131yor. Ama tekrar edelim, hi\u00e7bir anti vir\u00fcs program\u0131 %100 koruma sa\u011flamaz. <\/p>\n<p>Bir\u00e7ok durumda, otomatik tespit zararl\u0131 yaz\u0131l\u0131m\u0131n ne kadar yeni oldu\u011funa g\u00f6re de\u011fi\u015fiyor. E\u011fer bu zararl\u0131 yaz\u0131l\u0131m anti vir\u00fcs veri taban\u0131m\u0131za eklenmemi\u015fse sezgisel analiz taraf\u0131ndan bulunur. Zarar vermeye \u00e7al\u0131\u015f\u0131rsa an\u0131nda engellenir. <\/p>\n<p>\u00dcr\u00fcnlerimizde <a href=\"https:\/\/www.kaspersky.com\/blog\/system-watcher-patent\/13015\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">Sistem \u0130zleyici<\/a> denen bir mod\u00fcl bulunur: e\u011fer dosya \u015fifreleme s\u0131ras\u0131nda fark ederse, zararl\u0131 yaz\u0131l\u0131m\u0131 engeller ve yapt\u0131\u011f\u0131 de\u011fi\u015fiklikleri geri al\u0131r. L\u00fctfen bu \u00f6zelli\u011fi kapatmay\u0131n. <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/media.kasperskydaily.com\/wp-content\/uploads\/sites\/91\/2016\/11\/06013650\/rfaq-system-watcher-screen.png\" alt=\"rfaq-system-watcher-screen\" width=\"760\" height=\"576\" class=\"alignnone size-full wp-image-2622\"><\/p>\n<p><a href=\"https:\/\/kas.pr\/kdktstr\" target=\"_blank\" rel=\"noopener noreferrer\">Kaspersky Total Security<\/a> d\u00fczenli olarak yedek al\u0131r. \u00c7ok k\u00f6t\u00fc bir \u015fey de olsa, t\u00fcm \u00f6nemli etkinlikleri yedeklerin kopyalar\u0131ndan geri alabilirsiniz. <\/p>\n<p><strong>19.Savunmam\u0131 nas\u0131l g\u00fc\u00e7lendirebilirim? <\/strong><br>\na.\u0130lk olarak, g\u00fc\u00e7l\u00fc bir anti vir\u00fcs program\u0131 y\u00fckleyin. Ama bir dakika, bunu daha \u00f6nce s\u00f6yledik de\u011fil mi? <\/p>\n<p>b. \u0130nternet taray\u0131c\u0131lar\u0131n\u0131zdaki eklentileri kontrol edin, kapat\u0131n. Siber su\u00e7lular taray\u0131c\u0131 eklentilerine bay\u0131l\u0131rlar. Nas\u0131l yapaca\u011f\u0131n\u0131z\u0131 \u00f6\u011frenmek i\u00e7in <a href=\"https:\/\/www.kaspersky.com\/blog\/chrome-plugins-secure-browsing\/2149\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">Chrome<\/a> ve <a href=\"https:\/\/www.kaspersky.com\/blog\/firefox-plugins-browser-privacy\/2118\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">Firefox<\/a> hakk\u0131ndaki blog yaz\u0131m\u0131z\u0131 okuyabilirsiniz. <\/p>\n<p>c.<a href=\"http:\/\/www.mazotkacakcisi.com\/windows-10-dosya-uzantisi-gosterme-veya-gizleme\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">Windows i\u00e7in dosya uzant\u0131lar\u0131n\u0131z\u0131 g\u00f6r\u00fcn\u00fcr yap\u0131n<\/a>. <\/p>\n<p>d. VSB ve JS dosyalar\u0131n\u0131 a\u00e7mak i\u00e7in Notepad\u2019i varsay\u0131lan uygulama yap\u0131n. Windows zararl\u0131 VBS ve JS uzant\u0131l\u0131 dosyalar\u0131 metin dosyas\u0131 olarak g\u00f6r\u00fcyor. Dolay\u0131s\u0131yla a\u00e7arsan\u0131z sorun ya\u015fayabilirsiniz. <\/p>\n<p>e.Kaspersky Internet Security\u2019nin <a href=\"https:\/\/support.kaspersky.com\/12100?_ga=1.57676841.2016803411.1475150380\" target=\"_blank\" rel=\"noopener noreferrer\">G\u00fcvenilir Uygulamalar modu<\/a>nu aktif etmeyi d\u00fc\u015f\u00fcnebilirsiniz. Bu \u00f6zellik beyaz listemizdeki programlar\u0131n y\u00fcklenmesine izin verir. Varsay\u0131lan olarak bu \u00f6zellik kapal\u0131d\u0131r ancak son derece kullan\u0131\u015fl\u0131 bir \u00f6zelliktir. \u00d6zellikle bilgisayar kullanma konusunda \u00e7ok yetenekli de\u011filseniz, bu \u00f6zellik hayat kurtarabilir. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bu yaz\u0131m\u0131z sizi 300$ fidye \u00f6demekten kurtarabilir. Bu rakam ortalama bir fidye yaz\u0131l\u0131m\u0131n\u0131n, bilgisayar\u0131na bula\u015fan bilgisayar kullan\u0131c\u0131s\u0131ndan dosyalar\u0131 kurtarmas\u0131 ya da kilitledi\u011fi bilgisayar\u0131n\u0131 a\u00e7mas\u0131 i\u00e7in talep etti\u011fi miktard\u0131r. Fidye yaz\u0131l\u0131m\u0131ndan<\/p>\n","protected":false},"author":696,"featured_media":2614,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1352,1351],"tags":[471,922,885,418,591,519,352,447,935,1061,1060,537],"class_list":{"0":"post-2613","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-special-projects","8":"category-threats","9":"tag-blockers","10":"tag-cryptors","11":"tag-engelleyiciler","12":"tag-faq","13":"tag-fidye-yazilimi","14":"tag-ipuclari-2","15":"tag-kaspersky-lab","16":"tag-ransomware","17":"tag-sifreleyiciler","18":"tag-sorular","19":"tag-sss","20":"tag-tehditler"},"hreflang":[{"hreflang":"tr","url":"https:\/\/www.kaspersky.com.tr\/blog\/ransomware-faq\/2613\/"},{"hreflang":"en-ae","url":"https:\/\/me-en.kaspersky.com\/blog\/ransomware-faq\/5663\/"},{"hreflang":"ar","url":"https:\/\/me.kaspersky.com\/blog\/ransomware-faq\/3969\/"},{"hreflang":"en-us","url":"https:\/\/usa.kaspersky.com\/blog\/ransomware-faq\/7978\/"},{"hreflang":"en-gb","url":"https:\/\/www.kaspersky.co.uk\/blog\/ransomware-faq\/7916\/"},{"hreflang":"es-mx","url":"https:\/\/latam.kaspersky.com\/blog\/ransomware-faq\/7925\/"},{"hreflang":"es","url":"https:\/\/www.kaspersky.es\/blog\/ransomware-faq\/9480\/"},{"hreflang":"it","url":"https:\/\/www.kaspersky.it\/blog\/ransomware-faq\/9290\/"},{"hreflang":"ru","url":"https:\/\/www.kaspersky.ru\/blog\/ransomware-faq\/13407\/"},{"hreflang":"x-default","url":"https:\/\/www.kaspersky.com\/blog\/ransomware-faq\/13387\/"},{"hreflang":"fr","url":"https:\/\/www.kaspersky.fr\/blog\/ransomware-faq\/6276\/"},{"hreflang":"pt-br","url":"https:\/\/www.kaspersky.com.br\/blog\/ransomware-faq\/6726\/"},{"hreflang":"pl","url":"https:\/\/plblog.kaspersky.com\/ransomware-faq\/5640\/"},{"hreflang":"de","url":"https:\/\/www.kaspersky.de\/blog\/ransomware-faq\/9159\/"},{"hreflang":"ja","url":"https:\/\/blog.kaspersky.co.jp\/ransomware-faq\/13150\/"},{"hreflang":"ru-kz","url":"https:\/\/blog.kaspersky.kz\/ransomware-faq\/13407\/"},{"hreflang":"en-au","url":"https:\/\/www.kaspersky.com.au\/blog\/ransomware-faq\/13387\/"},{"hreflang":"en-za","url":"https:\/\/www.kaspersky.co.za\/blog\/ransomware-faq\/13387\/"}],"acf":[],"banners":"","maintag":{"url":"https:\/\/www.kaspersky.com.tr\/blog\/tag\/blockers\/","name":"blockers"},"_links":{"self":[{"href":"https:\/\/www.kaspersky.com.tr\/blog\/wp-json\/wp\/v2\/posts\/2613","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kaspersky.com.tr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kaspersky.com.tr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kaspersky.com.tr\/blog\/wp-json\/wp\/v2\/users\/696"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kaspersky.com.tr\/blog\/wp-json\/wp\/v2\/comments?post=2613"}],"version-history":[{"count":4,"href":"https:\/\/www.kaspersky.com.tr\/blog\/wp-json\/wp\/v2\/posts\/2613\/revisions"}],"predecessor-version":[{"id":7116,"href":"https:\/\/www.kaspersky.com.tr\/blog\/wp-json\/wp\/v2\/posts\/2613\/revisions\/7116"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kaspersky.com.tr\/blog\/wp-json\/wp\/v2\/media\/2614"}],"wp:attachment":[{"href":"https:\/\/www.kaspersky.com.tr\/blog\/wp-json\/wp\/v2\/media?parent=2613"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kaspersky.com.tr\/blog\/wp-json\/wp\/v2\/categories?post=2613"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kaspersky.com.tr\/blog\/wp-json\/wp\/v2\/tags?post=2613"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}