According to user reports on various forums, the program appeared on their computer “out of nowhere”, shows notifications about infected files and malware issues and offers extremely high-priced tech support services. The program has raised concerns for Mac Mojave or earlier users, making them contemplate whether Mac Cleanup Pro is a scam. It seems that the program uses scare tactics to trick the victim into purchasing its full version to fix non-existent problems. It has been noticed that the program spreads via software bundling and displays fake positive scan results for users. Mac Cleanup Pro is a fake Mac OS optimizer that you should stay away from. Reasons why Mac Cleanup Pro deserves removal.