Neither it is a virus or some other kind of dangerous program. This question still can often be met on various forum boards and question-and-answer websites.
And it’s not that easy as it sounds because often built-in uninstaller utilities just won’t uninstall CCleaner the way it should be done – that is, without any trace.
Nevertheless, there could be circumstances when it needs to be removed from the computer without a trace.
CCleaner is generally regarded amongst the best cleaners and system optimization tools for Macs and PCs.