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CryptoWall ransomware variant has new defenses

Jeremy Kirk | Jan. 9, 2015
CryptoWall, one of a family of malware programs that encrypts files and demands a ransom from victims, has undergone a revamp that is frustrating security researchers.

Researchers can't see the IP addresses of the servers that CryptoWall connects to, blocking further investigation of the servers used as part of its infrastructure, Carter said.

Cisco has a full technical writeup on its blog.

 

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