ComboFix - EmsiSoft - GMER
The antivirus programs Avira AntiVir Personal, Avast! Home Edition, Microsoft Security Essentials, AVG Antivirus, Panda Cloud Antivirus, PC Tools Antivirus and ClamAV are free for personal and home use. Some antivirus program are effective in detecting malware but will fail to remove it. AV-Comparatives.org found out that no single antivirus program will remove a malware and its traces by 100%. If any malware has disabled your antivirus protection or it detects the malware but removal did not work, you can try the following free removal tools:
ComboFix – A free tool to remove nasty and rogue infections that traditional antivirus programs could not remove. An example is removing Antivirus 2009 using ComboFix. Note that you need to temporarily disable your antivirus protection to prevent interference during the scan and removal by ComboFix.
The tool allows manual clean-up after you have scanned and checked the report. Several security forums, including support forums of anti-malware programs, use ComboFix to detect the location infections.
EmsiSoft Anti-Malware – This tool is formerly known as A-squared Free. It’s still available as a free malware scanner and removal tool that often detects more than other scanners. The removal engine by this program is effective too. EmsiSoft is also offering EmsiSoft MalAware that will scan and remove malware without the need to install the scanner in your computer.
GMER – This simple but powerful tool will scan the computer for malware that is hiding itself to avoid other scanners. GMER allows you to also delete rootkits to help your antivirus disinfect the computer, if any other malware is added in the system.