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.
AdwCleaner - AdwCleaner is a free removal tool for : Adware (ads softwares)
Malwarebytes - Malwarebytes protects you against malware, ransomware, and other advanced online threats that have made antivirus obsolete and ineffective. Free Anti-Malware & Malware .
Spybot - Search & Destroy - Spybot Search & Destroy is an anti-malware, adware and antivirus program for safe removal of the threats from the PC and browser.
LavaSoft Adware - LavaSoft Adware is a free adware and spyware removal by the leading antivirus program LavaSoft designed to protect the system of its users.
AdwareMedic - AdwareMedic is a specially designed tool to remove all kind of adware and potentially unwanted threats and program from the PC.