AdwCleaner - AdwCleaner is a free removal tool for : Adware (ads softwares)
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
HijackThis - HijackThis is a malware detection and removal tool that's ideal for users who demand more granular control over every aspect of their computer's performance.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
Malwarebytes - Malwarebytes protects you against malware, ransomware, and other advanced online threats that have made antivirus obsolete and ineffective. Free Anti-Malware & Malware .
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.