Due to the risks of improper removal, antivirus vendor Symantec has created a free utility that makes the necessary modifications and removes any instances of the virus. It can be downloaded from:

http://www.symantec.com/avcenter/FixSirc.com.

After the file has been downloaded, locate the file FIXSIRC.COM, double-click it, and choose Start to begin the removal process.

If you prefer to attempt manual removal, F-Secure has provided a free fix to remove the worm modifications to the system Registry. Download the fix and simply execute (double-click) it to repair the Registry. If using this method, several other steps must also be taken to remove the worm from the infected system. Step-by-step instructions for complete manual removal are outlined in the final section of this article.