Sasser patching/clean up instructions

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Instructions for patching and cleaning vulnerable Windows 2000 and Windows XP systems:

Vulnerable Windows 2000 and Windows XP machines may have the LSASS.EXE process crash every time a malicious worm packet targets the vulnerable machine which can occur very shortly after the machine starts up and initializes the network stack.

When cleaning a machine that is vulnerable to the Sasser worm it is necessary to first prevent the LSASS.EXE process from crashing, which in turn causes the machine to reboot after a 60 second delay. This reboot cannot be aborted on Windows 2000 platforms using the Shutdown.exe or psshutdown.exe utilities and can interfere with the downloading and installation of the patch as well as removal of the worm.



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