and theres no cure for it either.

so be very careful.

have proper antivirus software, by this I mean the antivirus you buy not free antivirus software.

do backups every week.

http://www.ibtimes.com/cryptolocker-virus-new-malware-holds-computers-ransom-demands-300-within-100-hours-threatens-encrypt

ciaran, www.computerfix.ie