Unfortunately, the recent research turned out that it is fake and useless therefore categorized as a Potentially Unwanted Application (PUA). At first glance, it is a totally useful tool meant to optimize your computer by scanning for different junk and threats like viruses to be obliterated from your PC. Mac Ads Cleaner is a fake system optimization tool designed to make hay out of naive and inexperienced users. To stop this and remove the reason for such errors, please, use instructions on this page. Here is the screenshot of such a pop-up message.

Report malware to apple to protect other users. This file was downloaded on an unknown date. In particular, the following message is shown: After updating macOS to latest version (Catalina) users started receiving system errors related to file and process of Mac Ads Cleaner: hlpradc.