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New ransomware avoids hitting the same victim twice

Maria Korolov | Dec. 18, 2014
A new strain of ransomware, OphionLocker, generates a unique hardware identifier for each new infected machine so that it can avoid hitting the same victim twice.

An early version of TorrentLocker had a flaw that was discovered in September, and security researchers released a tool to extract the keystream and automate the decryption process. TorrentLocker's authors reacted by changing the encryption method.

"The bad guys don't go away," said KnowBe4's Sjouwerman. "They get mad and then they come back with something better."

 

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