Security researchers at AlienVault and Fortinet have identified these new strains of malware. MacSpy is advertised as the most sophisticated Mac spyware ever, with the low starting price of free. MacRansom reportedly leaves no digital trace of the threat actor and performs keylogging, iCloud syncing, and continuous voice recording. It also features unbreakable encryption and lightning-quick speed (the ransomware encrypts the victims home directory in less than a minute)”]
Source: https://hackercombat.com/macspy-macransom-new-strains-mac-malware/