Antivir virusscanner
Download free antivirus protection - avira antivir personal official website.
http://www.free-av.com/
Avast virusscanner
Avast! antivirus v4.8 represents a multi-award winning solution to virus protection, with anti-spyware and anti-rootkit technology built in for added security. it is available free for non-commercial, home use and with its fast, automatic updates, avast! antivirus is already being used by more than 50 million users worldwide to provide continuous protection against all forms of malicious software (malware).
http://www.avast.com/
Grisoft scanner
Antivirus and internet security protection for home and business. 24/7 support and high-speed automatic updates. products ranging from maximum protection, to basic antivirus protection available for free download.
http://www.grisoft.com/us/us_dwnl_free.php
Virus Help
Virus Help
http://www.virushelp.nl/