There is no honor among thieves, as the saying goes, and that includes ransomware crooks. In an apparent move to sabotage a ransomware competitor, the authors of the Mischa and Petya ransomware-as-a-service leaked 3,500 decryption keys for its competitor Chimera ransomware. The move appears to be an attempt to push ransomware criminals to ditch Chimera service and...

First ransomware locked your desktop. Then it encrypted your files. Not long after, webservers, shared drives and backups were targeted. Now? Introducing Petya, ransomware that targets the Master Boot Record. Spotted in email campaigns sent to human resources offices in German companies, the malware encrypts the compromised computer’s master file table and demands .9 Bitcoin...