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Files encrypted and renamed to .ecc


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#1 adblr

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Posted 26 March 2015 - 09:51 AM

My computer got infected with some malware that disabled the antivirus and added a .ecc extension to office, pdf, text and image files.

There was no ransom message, just some pornographic images at startup. There was a "syshost.exe" service installed and a program with a random name was running. I cleaned the malware and the antivirus works now, but these files no longer open.

For some files I have the unmodified original. I tried using Panda Ransomware Decrypt to extract the key and restore the files, but it failed.

Is it possible to use files that have the original and encrypted versions to extract information that can decrypt the rest of the files?


Edited by hamluis, 26 March 2015 - 02:47 PM.


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#2 quietman7

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Posted 26 March 2015 - 05:56 PM


You are dealing with TeslaCrypt Ransomware. Unlike other ransomware that typically target images, documents, videos, and applications databases, TeslaCrypt also targets over 40 different video game related files. Any files that are encrypted will have the .ecc extension added to the end of the filename.

There is an ongoing discussion in this topic: New TeslaCrypt Ransomware sets its scope on video gamers

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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