is generic name and results in CryptoWall
90% of the time. As such, it brands itself as CryptoWall or CryptoDefense when it informs victims their data has been encrypted. Like CryptoWall, Crowti directs its victims to a Tor page and gives them instructions on how to purchase Bitcoin to unlock their information.
Similar to CryptoWall, a fairly recent Cryptolocker variant, Crowti uses a valid digital signature to appear legitimate and then, once installed, demands users pay in Bitcoin to purportedly decrypt their files.
- CryptoWall 3.0 leaves files (ransom notes) named:
A repository of all current knowledge regarding CryptoWall, CryptoWall 2.0 & CryptoWall 3.0
is provided by Grinler
(aka Lawrence Abrams
), in this topic: CryptoWall and DECRYPT_INSTRUCTION Ransomware Information Guide and FAQ
Reading that Guide will help you understand what CryptoWall (including versions 2.0 & 3.0) does and provide information for how to deal with it. Cryptowall typically deletes (though not always) all Shadow Volume Copies with vssadmin.exe so that you cannot restore your files via System Restore
or using a program like Shadow Explorer
...but it never hurts to try. At this time there is no fix tool and Decryption of any CryptoWall Files...is impossible
since there is no way to retrieve the private key that can be used to decrypt your files without paying the ransom.
There are also lengthy ongoing discussion in these topics:
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. To avoid unnecessary confusion...this topic is closed.
The BC Staff