Kaspersky 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.

 [Free Antivirus Software and Free Online Scanners]

BitDefender Online Scanner is an on-demand virus scanner which incorporates the award-winning BitDefender scanning engines. You can use it to scan your system's memory, all files and drives' boot sectors, and to automatically clean infected files.

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.

Stop and remove malicious code before it enters your network—reducing system downtime and outbreak response costs. Combined with CA Anti-Spyware for the Enterprise, CA Anti-Virus for the Enterprise provides efficient, centrally-managed, multi-layered protection against a broad range of malware threats.

Based on the Award-Winning McAfee VirusScan Engine FreeScan is a FREE service that helps you detect thousands of viruses on your computer. Based on the award-winning McAfee VirusScan engine, FreeScan searches for viruses, including the latest known "in the wild" viruses, and displays a detailed list of any infected files

F-Secure Online Virus Scanner is a free service. Use it to find out if your computer is infected and disinfect your computer if needed.

The size of the download package is about 22 megabytes including databases.

The F-Secure Online Scanner works with default Internet Explorer settings (Internet zone - Medium security level). If you have changed them, you may enable ActiveX and JavaScript from Tools->Internet Options->Security->Custom Level. The F-Secure Online Scanner works with default Internet Explorer settings (Internet zone - Medium security level). If you have changed them, you may enable ActiveX and JavaScript from Tools->Internet Options->Security->Custom Level.

Panda Active Scan with TruePrevent. Free online antivirus to combat viruses, spyware and other Internet threats.

If this is the first time you scanned your PC, youґll have to download the ActiveX controls (8 MB). The time it takes to download these can vary between 15 minutes, for a 56 Kbps modem, and 30 seconds, with a 1.5 Mbps connection.

ESET's Online Scanner is an excellent tool for determining whether or not your computer or workstation is infected with malware. It's free, easy to use and extremely powerful. The best part: no software installation required. Just accept the terms of use, click "Start", and a remote scan of your entire computer, will automatically begin.

This service is by no means 100% safe. If this scanner says 'OK', it does not necessarily mean the file is clean. There could be a whole new virus on the loose. NEVER EVER rely on one single product only, not even this service, even though it utilizes several products. Therefore, We cannot and will not be held responsible for any damage caused by results presented by this non-profit online service.

Avira Antivir Personal free Antivirus of the German company Avira is one of the most famous products form this category in the world.  Beside system scanning and monitoring, it also allows to scan incoming SMTP-traffic

The program protects the users not only from the viruses, worms and Trojans, but also from adware, dialers, fishing and has a module for rootkit detection. Moreover, the program utilizes strong heuristic scanning to protect against previously unknown macro and boot record viruses.

Avira AntiVir Personal - FREE Antivirus is only available for single computer use for home and non commercial use.