Best Scan Virus Online

Housecall Antivirus
Trend Micro HouseCall is an application for checking whether your computer has been infected by viruses, spyware, or other malware. HouseCall performs additional security checks to identify and fix vulnerabilities to prevent reinfection.
housecall.trendmicro.com


Bitdefender
BitDefender™ provides security solutions to satisfy the protection requirements of today's computing environment, delivering effective threat management to over 41 million home and corporate users in more than 200 countries.
www.bitdefender.com


Kaspersky
Our free online virus scanner is a great way to find out if you have any viruses or spyware on your machine without having to uninstall your current antivirus software or install a new one. Most importantly, you can see what viruses your current antivirus software let slip through! You just need to be online and using Internet Explorer.
www.kaspersky.com