PUP.Optional.DriverSupport is a “system optimiser” called Driver Support. These so-called “system optimisers” are potentially unwanted programs (PUPs) that use intentional false positives to convince users that their Windows systems have problems. Then they try to sell you their software, claiming it will remove these problems.
This PUP uses Scheduled Tasks to gain persistance and runs every time the user logs on. Users may see the icon in the taskbar and the start menu and experience a slow system when the program is busy scanning. T^hey may also see pop-ups reminding them to optimize their system.
Type and source of infection
The PUP is advertised as extremely useful and trusted by many.