Virus removal tools are not a substitute for full anti-virus protection, but rather a tool to remove a particular virus (malware, spyware, rootkit, etc) from your computer.

This is especially useful, for example if you're running other antivirus software but still suspect your computer is infected, you can download and use any of these virus removal tools for free.

If you suspect that your computer is infected by a virus and your security software is not able detect and remove it, just scan your computer using any of these free online scanners, then remove using any of the free tools described below.

The sites: