Welchia.Worm Computer Virus

Discovered on: August 18, 2003

Systems infected: Microsoft IIS, Windows 2000, Windows XP.

Systems not infected: Linux, Macintosh, OS/2, UNIX, Windows 3.x, Windows 95, Windows 98, Windows Me.

Patches and fixes:

To protect you from this worm download and install the following two patches:

• Microsoft patch 815021 (Windows 2000 and XP only)
• Microsoft patch 823980 (Windows 2000 and XP only)