PUP.MacKeeper is Malwarebytes’ detection name for a potentially unwanted program that uses aggressive advertising to get installed on Mac systems.
PUP.MacKeeper is sold as a system optimizer and antivirus for Mac systems. It is often installed by users themselves as a result of misleading and aggressive advertising.
Malwarebytes for Mac detects MacKeeper as PUP.MacKeeper.
Malwarebytes for Mac for detects and removes MacKeeper as PUP.MacKeeper.