KillDisk variant, a new Ransomware found

what-is-malware-as-a-serviceResearchers at CyberX have found a new variant of the KillDisk program. This was the program used to attack Ukrainian energy utilities. The new variant is an evolution into a ransomware that may the targeting industrial control networks according to the researchers.

CyberX reports that the ransomware is distributed through malicious Office attachments and displays a pop-up demanding 222 Bitcoins, equivalently $206,000. It uses a mix of RSA 1028 public key and AES shared key algorithms to encrypt files and folders that are shared between organizations.

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