nice tutorial SpaceLlama
also Malwarebytes saved my ass from a Trojan what Avast Antivirus couldnt find, nice choise the best in my opinion.
CCleaner cleans ur pc temporary
actually all cleaning tools are bullshit , if u really want to untrash ur pc , do it the normal way by defrag program of windows and delete ur safety points of ur system if u dont need them cauz they take damn much memory also if ur Hard drive is almost full u maybe should drag ur files Music etc to another Hard drive,its not good to overfill ur system current hard drive, cauz the processes will run slowlier then