The master decryption keys unlocking files encrypted by the CrySis ransomware have been released. Kaspersky Lab has already updated its Rakhni decryptor to help victims restore their data.

For close to a month, the master encryption key unlocking files ravaged by TeslaCrypt has been publicly available, putting an end to a profitable strain of ransomware. In the weeks since, various decryptors have been developed that can be used to unlock files. Kaspersky Lab, for one, updated its Rakhni utility to include TeslaCrypt v3...