Understanding Gpcode: Ransomware Evolution and Its Impact on Security

File-encrypting Trojans are becoming so complex that the security companies could soon be powerless to reverse their effects, a new report from Kaspersky Lab has said.

The report notes the rapid evolution of the public key encryption used by one family of crypto malware, Gpcode, which went from using 56-bit to 660-bit RSA in a matter of weeks. Commonly termed "ransomware," Trojans that encrypt data files on a user

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