Tech support scammers have come up with a new way to trick users into sharing their payment card information: screen lockers showing fake Windows alerts telling users that their Windows copy has expired or has been corrupted: This scheme actually prevents users from using their computers until they call the provided toll-free “tech support” phone number and provide their payment info.
According to Malwarebytes researcher Jérôme Segura, the Windows locker is delivered to unsuspecting users bundled with other (potentially unwanted) software or posing as an update for a legitimate, popular application. More at their blog
