FortiGard has shared a great technical report on Monti, BlackHunt and Putin Ransomware. 
Affected platforms: Microsoft Windows
 Impacted parties:   Microsoft Windows Users
 Impact:                   Encrypts files and demands ransom for file decryption
 Severity level:         High
Monti Ransomware: Monti is a relatively new ransomware designed to encrypt files on Linux systems. Files encrypted by Monti ransomware have a ".puuuk” file extension. We are also aware of reports of potential Monti vari