Tech support scammers, who typically try to convince consumers that their computer is infected with malware and sell them unnecessary security services to "clean" the PC, are not a new problem. Everyone from Microsoft to the Federal Trade Commission has tried to fight them.
But one enterprising programmer named Ivan Kwiatkowski came up with an unorthodox and questionably ethical idea to beat the scammers at their own game: he attempted to infect the tech support scammer's own computer with ransomware.
http://www.pcmag.com/news/347012/blogger-tricks-tech-support-scammers-into-downloading-ransom