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Malware Families Cleaned by the Malicious Software Removal Tool

The Microsoft Windows Malicious Software Removal Tool removes specific, prevalent malicious software families from computers running compatible versions of Windows. Microsoft releases a new version of the tool on the second Tuesday of every month, and as needed to respond to security incidents.

Additions are made each month to address the latest threats.

New Malicious Software

The following malicious software was added this release. Click the name to learn more in our Malicious Software Encyclopedia.

Complete List

Here is a list of every major virus and worm family added since the tool was first released on January 11, 2005.

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Try the Malicious Software Removal Tool

Run the tool from the Microsoft Web site, or download the tool and run it locally on your computer.