There's a very easy way to completely get rid of MacKeeper: Malwarebytes Anti-Malware for Mac will detect MacKeeper as PUP (Potentially Unwanted Software)
How to remove MacKeeper 5 Press Command (⌘) and Q to quit MacKeeper. Go to Finder > Applications. Drag the MacKeeper icon to Trash. If you see a system extension window, click Continue. Enter your Mac admin password, then click
Delete MacKeeper from your Mac's menu bar · Go to your Applications folder and double-click MacKeeper to launch it. · Click on the MacKeeper menu on the left of ...