The Norton Security Scan and Clean is a free application which provides free on-demand scanning and removal or repair of viruses, spyware, and other security risks. It uses Symantec virus definitions to scan your computer for the latest security risks. Virus definitions are automatically updated when your computer is connected to the Internet.
This tool is not intended to be a replacement for continuous, real-time protection from the latest security risks. It doesn’t requires any type of installation to use.