KME Systems has informative blog and note that Apple Mac systems should safeguard from new malware attacks circulating in wild

QUOTE: Ransomware is malware used specifically for cyber data kidnapping. Cryptolocker, an updated form of ransomware, is used by cybercriminals to encrypt a victim’s data with a strong 1,024-bit algorithm.  The cybercriminal then demands payment from the victim to obtain the decryption code.