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CBT Locker removal or copycat virus help needed


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#1 JMK2015

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Posted 22 January 2015 - 12:18 PM

First time blogger. I have a virus that claims to be CBT Locker. It has changed all my files by adding the extension ".ufodauk" to the end of my files, encrypting everything. I tried to upload one of the files to www.decryptolocker.com to see if I could get a code to unlock the computer, the upload was not accepted and I received a prompt telling me that the file could not upload because it was not a cryptolocker infected file. I am assuming this is a copycat of some sort, maybe a torrentlocker virus. I have no clue. I want to recover my files more than anything, and looks like I am being forced to pay ransom in bitcoins in order to do so. Any advice out there? 



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#2 quietman7

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Posted 22 January 2015 - 07:17 PM


A repository of all current knowledge regarding CTB Locker and Critroni Ransomware is provided by Grinler (aka Lawrence Abrams), in this tutorial: CTB Locker and Critroni Ransomware Information Guide and FAQ

Reading that Guide will help you understand what CTB Locker (Critroni) does and provide information for how to deal with it. The newest variants of CTB Locker typically encrypt all data files and rename them as a file with a 6-7 length extension with random characters. The newer variants also do not always leave a ransom note if the malware fails to change the background, like it generally does. At this time there is no fix tool and no way to retrieve the private key that can be used to decrypt your files without paying the ransom.

More information in these articles:To make matters worst, the newer CTB-Locker infection has been seen in combination with KEYHolder ransomware. Unfortunately, there is still no known method of decrypting your files without paying the ransom and with dual infections, that means paying both ransoms.

There is also an ongoing discussion in this topic: CTB Locker or DecryptAllFiles.txt Encrypting Ransomware Support & Discussion. Rather than have everyone start individual topics, it would be best (and more manageable for staff) if you posted any questions, comments or requests for assistance in that topic discussion.

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