'The safest place to download apps for your Mac is the Mac App Store.
You probably trust applications in the Official Mac App Store.
■ While process enumeration is disallowed in the iOS sandbox, and yes, /bin/ps is blocked on in the macOS sandbox as as well, Apple has noted that sandboxed apps may still enumerate running processes (though this will likely change in the future). ■ In Mojave, the sandbox will (always) protect private content, such as Safari's history. ■ I've uploaded the app's binary if you want to play along (download: Adware Doctor.zip) ■ The application, 'Adware Doctor' has now been removed from the Mac App Store!