Has there worked out any decryption brake through on CryptoWall 3 yet?

Has there worked out any decryption brake through on CryptoWall 3 yet?
Joseph_HallAsked:
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btanConnect With a Mentor Exec ConsultantCommented:
you can prevent ransomware type via application whitelisting in like of Windows SRP, Applocker or a tool named Cryptoprevent (from Foolish IT). but not till date, decryption can be done (thought there is past online free service by FireEye & Fox-IT using a private key databank for Cryptolocker which is limited). BleedingComputer has been most updated with the Cryptowall variant family including ver 3 but so far none has ever being able to sieve out any possibility of decryption. I doubt anyone will want to attempt  breaking the crypto math behind - it is just not worthwhile...will you be looking at certain specific backup recovery instead
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Schuyler DorseyCommented:
No one to my knowledge has broken the encryption scheme of Cryptowall 3 yet. Of all the crypto variants, I believe only the first variant had its encryption "broken" but it was really wasn't broken so much as the C2 network was taken down and Fireeye put together a decryption tool based on the private keys.
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btanExec ConsultantCommented:
not worth the effort to break crypto just like not worth retrieving secure deleted files, if they are implemented in accordance to the algorithm and strict rules of standard implementation. even the FireEye /FoxIT service is an one off grab of "intercepted" certain C&C which store some (not all) private key, so it is not breaking crypto per se too...
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Schuyler DorseyCommented:
^ agreed
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