In a surprise move, the master decryption keys for the CrySiS Ransomware have been released early this morning [November 14, 2016] in a post on the BleepingComputer.com forums. At approximately 1 AM EST, a member named crss7777 created a post in the CrySiS support topic at BleepingComputer with a Pastebin link to a C header file containing the actual master decryption keys and information on how to utilize them.
These keys have already been used by Kaspersky Labs to update their RakhniDecryptor program so that it can be used to decrypt victim’s files.
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