From; Symantec Bulletins: Level 4 Virus Alert! W32.Sasser.B Worm W32.Sasser.B.Worm is a variant of W32.Sasser.Worm. It attempts to exploit the LSASS vulnerability described in following Microsoft Security Bulletin MS04-011: http://www.microsoft.com/technet/security/bulletin/MS04-011.mspx The worm spreads by scanning randomly selected IP addresses of vulnerable systems. The following write-up will be updated when additional information about the worm is available. Check the write-up frequently for updated information. http://www.symantec.com/techsupp/vURL.cgi/sctyrsp4 Also Known As: WORM_SASSER.B [Trend], W32/Sasser.worm.b [McAfee] Type: Worm Infection Length: 15872 bytes Systems Affected: Windows 2000, Windows Server 2003, Windows XP Systems Not Affected: Linux, Macintosh, UNIX, Windows 3.x _____________________________ 2. Virus Definitions Definitions dated May 1, 2004 will detect the W32.Sasser.B Worm. Run LiveUpdate or download the Intelligent Updater virus definitions at: http://securityresponse.symantec.com/avcenter/defs.download.html _____________________________ 3. Removal Tool Symantec Security Response has developed a removal tool to clean the infections of W32.Sasser.B Worm. You can download the removal tool from the Symantec Web site at: http://www.symantec.com/techsupp/vURL.cgi/sctyrsp5 _____________________________ 4. Feedback Do you have feedback that can help us provide better products or services? If so, then we want to hear from you. Visit the Symantec suggestion box at the following Internet address, and let us know how we can improve: http://www.symantec.com/feedback/ _____________________________ To view this and prior Norton AntiVirus Technical News Bulletins in HTML format, visit the following Internet address: http://www.symantec.com/techsupp/bulletin/archive/nav/nav_archive.html *********** MIKE"S REPLY SEPARATOR *********** Mike ~ It is a good day if I learned something new. Editor MikesWhatsNews see a sample on my web page http://www3.telus.net/mikebike <mikeswhatsnews-request@xxxxxxxxxxxxx?Subject=subscribe> http://www3.telus.net/mikebike/worm_removal.htm See my Anti-Virus pages http://virusinfo.hackfix.org/index <virusinfo-request@xxxxxxxxxxxxx?Subject=subscribe> A Technical Support Alliance and OWTA Charter Member