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.
COMODO Internet Security - Download Free Internet Security Software for Complete protection against viruses and attacks of your computers. Know what's new in Comodo Internet Security.
ComboFix - Combofix is a free anti-malware program developed by sUBs for Windows computers
ALYac Internet Security - Makes the World Safer, ESTsecurity
Malwarebytes - Malwarebytes protects you against malware, ransomware, and other advanced online threats that have made antivirus obsolete and ineffective. Free Anti-Malware & Malware .
AVG Internet Security - Stay safe online. AVG Internet Security gives you advanced protection against viruses, ransomware and other threats – for all your devices. Try it for free!