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BitDefender Releases Free Petya Ransomware 'Vaccine'

Tool decrypts endpoints victimized by the nasty ransomware that encrypts entire disks.

Because of a flaw in the encryption process used by the Petya ransomware, security researchers were able to reverse-engineer the malicious code and create a "vaccine," that will enable victims to decrypt their infected endpoints. 

Petya is a nasty new ransomware that encrypts not just files, but the entire disk. Instead of eating up memory and time by encrypting files individually, Petya installs itself like a bootkit and encrypts the filesystem's master file table -- a much quicker method that leaves "no time to call for help," F-Secure researchers said. Petya is vicious enough to have inspired federal authorities in both the US and Canada to issue advisories. 

This is not the first time a security firm has released a tool that can decrypt endpoints that were locked by a particular strain of cryptoransomware. Last year, Cisco's Talos Labs developed such a cure for TeslaCrypt

Download BitDefender's free Petya decryption tool here

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