JSI Tip 8007. A tool is available to remove the Sasser worm variants.

Microsoft Knowledge Base Article 841720 contains the following summary:

Microsoft has released a tool to help you remove the Sasser worm variants from your computer. If you are running Microsoft Windows 2000 Service Pack 2 (SP2) or later or a 32-bit version of Microsoft Windows XP, the Windows Update Web site and Automatic Updates will offer you version 2.0 of the Microsoft Sasser Worm Removal Tool to remove Sasser.A, Sasser.B, Sasser.C, and Sasser.D infections.

Version 4.0 of the Sasser Worm Removal Tool includes support for removing the Sasser.A, Sasser.B, Sasser.C, Sasser.D, and Sasser.E variants of the worm and adds support for removing the Sasser.F variant of the worm. Version 4.0 is available from the Microsoft Download Center.

Technical updates

February 8, 2005: Microsoft replaced this tool with the Microsoft Windows Malicious Software Removal Tool. For additional information about the Malicious Software Removal Tool, click the following article number to view the article in the Microsoft Knowledge Base:

890830 The Microsoft Windows Malicious Software Removal Tool helps remove specific, prevalent malicious software from computers that are running Windows Server 2003, Windows XP, or Windows 2000

May 11, 2004: Microsoft released version 4.0 of the Sasser Worm Removal Tool to the Microsoft Download Center. Version 4.0 adds support for detecting and for removing the Sasser.F variant of the worm.
May 09, 2004: Microsoft released version 3.0 of the Sasser Worm Removal Tool to the Microsoft Download Center. Version 3.0 adds support for detecting and for removing the Sasser.E variant of the worm.
May 04, 2004: Microsoft released version 2.0 of the Sasser Worm Removal Tool to the Microsoft Download Center and to the Windows Update Web site. Version 2.0 adds support for detecting and for removing the Sasser.C variant of the worm and the Sasser.D variant of the worm.
May 01, 2004: Microsoft released version 1.0 of the Sasser Worm Removal Tool to the Microsoft Download Center. Version 1.0 detects and removes the Sasser.A worm and the Sasser.B worm.



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