Sasser worm can be removed by downloading a tool from Symantec.
http://www.securityresponse.symantec...xSasser.exeThe removal procedure may not be successful if Windows Me/XP System Restore is not disabledTo turn it off do:1. Click Start.2. Right-click the My Computer icon, and then click Properties.3. Click the System Restore tab.4. Check "Turn off System Restore" or "Turn off System Restore on all drives" as shown in this illustration:5. Click Apply.6. When turning off System Restore, the existing restore points will be deleted. Click Yes to do this.7. Click OK.- You're now ready to process with the removal toolIf you are running Windows NT/2000/XP, skip to step 8.If you are running Windows 95/98/Me, restart the computer in Safe mode. To start in Safe mode, press F8 key when Windows starts up (after you turn on your computer)Double-click the FxSasser.exe file to start the removal tool.Click Start to begin the process, and then allow the tool to run.Restart the computer.Run the removal tool again to ensure that the system is clean.If you are running Windows Me/XP, then re-enable System Restore.Run LiveUpdate to make sure that you are using the most current virus definitions.Good luck,Silvered