Malwarebytes - Malwarebytes protects you against malware, ransomware, and other advanced online threats that have made antivirus obsolete and ineffective. Free Anti-Malware & Malware .

Avira - Cloud based email security solution

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.

Easy PC Optimizer - Easy PC Optimizer is an easy and quite simple tool for enhancing the performance and boosting up the speed of the system.

ComboFix - Combofix is a free anti-malware program developed by sUBs for Windows computers

Microsoft Security Essentials - Microsoft Security Essentials is Microsoft's own foray into the world of virus protection.