OK a fare few people are getting hit by this so make sure
your not next and get the MS patch.
This is the bug at the center of it...
http://securityresponse.symantec.com...ster.worm.html
The MS patches can be found here.....
http://support.microsoft.com/?kbid=823980
More info on Cnet
http://news.com.com/2100-1002_3-5062364.html?tag=fd_top
Regards
PMM