Deathlizard writes: Have a Synology NAS? Is it accessible to the internet? If it is, You might want to take it offline for awile. Synolocker is a 0 day ransomware that once installed, will encrypt all of the NAS's files and hold them for ransom just like Cryptolocker does for windows PC's. The Virus is currently exploiting an unknown vulnerability to spread. Synology is investagating the issue.