problem

[sarah]

I was just wondering if someone can help me. I keep
getting a message from LSA Shell (Export version) and
shortly after the NT Authority System shuts my computer
down? Can anyone help?

 

[Kaylene aka Taurarian]

Sounds like a virus named Sasser

Sasser:
Links about the virus:
http://www.microsoft.com/security/incident/sasser.asp
http://www.updatexp.com/sasser-worm.html
http://www3.telus.net/dandemar/sasser.htm

To stop shutdown, click Start, click Run and type: shutdown -a
then click OK.

Removal tools available here:-
http://us.mcafee.com/virusInfo/default.asp?id=description&virus_k=125008
http://securityresponse.symantec.com/avcenter/venc/data/w32.sasser.worm.html
http://securityresponse.symantec.com/avcenter/venc/data/w32.sasser.b.worm.html

For technical details on Sasser and manual steps to remove
http://www.microsoft.com/technet/security/alerts/sasser.mspx