When you execute mbam-clean.exe , it performs a scripted sequence:

The (specifically known as mbam-clean.exe ) is a legacy utility designed by Malwarebytes to perform a "clean" removal of the Malwarebytes Anti-Malware (MBAM) software from a Windows computer.

: It is often used as a troubleshooting step when the software fails to update, crashes, or refuses to open due to corrupted installation files. Important Usage Notes