Anyone finding this comment a few days or more after it was posted should look for a more recent discussion, or start a new one. This procedure works as of now, as far as I know. Malware is always changing to get around the defenses against it. Some of the files listed may be absent in your case. To remove it, please take the steps below. You may have installed a fake 'utility' called 'Advanced Mac Cleaner.' Like any software that purports to automatically 'clean up' or 'speed up' a Mac, it's a scam, and some variants of it are ad-injection malware.
