Looks like modern CCleaner is complete crap. Collecting emails? I have an old version (v2.10) of CCleaner and it doesn't have any ads or spyware, you can even program your own .ini scripts to run it and wipe out any data you desire, including the .sqlite files from web browser temp directories to completely erase your browser history. Plus it does not come with any registration, once you have the installation file that's all you need to run it.