A new version of the Shamoon data-wiping malware has emerged, marking the third time the virus has been seen in the wild and researchers believe a new campaign may be imminent. Shamoon has the ability to destroy files and overwrite the master boot (MBR) to cripple infected PCs. The malware went underground for about four years before re-emerging in 2016 as Shamoon2. The new version has a hard-coded trigger date that s set for a year ago, on Dec. 7, 2017 but, Chronicle hasn t spotted the malware yet.
Source: https://threatpost.com/shamoon-new-wiper-attack/139881/