For a long time, scammers have been calling or displaying a popup message on PCs with the threat that their computer access will be restricted if they don't call a number and make a payment. According to the New York Times, this official looking message is coming from a scam operation in Mumbai, India - which is the main hub for call centers. Leo says that's because the real tech support people are moonlighting with this scam. Microsoft says that 20% of users actually call the number, and 6% actually give them money through a credit card, along with giving them remote access to their computer. And that's when the real malware gets installed. Police have shut down many of these operations in recent days.
Read more at nytimes.com.