A virulent form of ransomware has now infected about quarter of a million Windows computers, according to a report by security researchers.
Cryptolocker scrambles users' data and then demands a fee to unencrypt it alongside a countdown clock.
Dell Secureworks said that the US and UK had been worst affected.
It added that the cyber-criminals responsible were now targeting home internet users after initially focusing on professionals.
http://www.bbc.co.uk/news/technology-25506020
look how they hide the domains they have and are using
http://www.secureworks.com/cyber-thr...er-ransomware/