Technical name: W32/Sasser.B.worm <http://www.pandasoftware.com/virus_info/encyclopedia/overview.aspx?idvirus=4 6875> Threat level: Severe Type: Worm It restarts the computer. It spreads by exploiting the LSASS vulnerability. Affected platforms: Windows 2003/XP/2000/NT/ME/98/95 Brief Description Sasser.B is a worm that spreads via the Internet by exploiting the LSASS vulnerability in remote computers. This vulnerability is critical for Windows XP/2000 operating systems that are not properly updated. Sasser.B restarts the computer automatically when it attempts to exploit the already mentioned vulnerability. *** Sasser.B only spreads automatically to Windows XP/2000 computers. However, computers with other Windows operating systems can also be a source of transmission when a malicious user runs the file containing the worm in any of these computers. If you have a Windows XP/2000 computer, it is highly recommendable to download the security patch for the LSASS vulnerability from the Microsoft website. ++ There is more on the web site. Mike ~ It is a good day if I learned something new. Editor MikesWhatsNews see ~ http://www.mwn.ca <mikeswhatsnews-request@xxxxxxxxxxxxx?Subject=subscribe> See my Anti-Virus pages <http://www3.telus.net/mikebike/mikes_virus_page.htm> <virusinfo-request@xxxxxxxxxxxxx?Subject=subscribe> A Technical Support Alliance & OWTA Charter Member