What is Global System Mechanic?

The Malwarebytes research team has determined that Global System Mechanic is a “system optimizer”. These so-called “system optimizers” use intentional false positives to convince users that their systems have problems. Then they try to sell you their software, claiming it will remove these problems.

https://forums.malwarebytes.com/topic/222071-removal-instructions-for-global-system-mechanic/