The most predominant family of tech support screen lockers are currently using to frustrate their victims. This, which is dubbed VinCE because of the Program folder it creates for itself, is compiled in Microsoft Intermediate Language (MSIL) This screen locker is designed to make the victims desperate enough to call the displayed number and ask for help. At which point, they are expected to pay a lot of money for minimal effort. Running the main executable (SBSCP.exe) on any Windows system results in a blue screen like the one shown below. The goal of the programmer is to. frustrate the efforts of getting rid of the screen, at the same time, provide the tech support scammers with an option to get rid of it easily.”]
Source: https://blog.malwarebytes.com/cybercrime/2016/12/a-closer-look-at-a-tech-support-screen-locker/