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The Web pages from SingTel           Internet Security - Virus - W32.Welchia.Worm       W32.Welchia.Worm       Description: The W32.Welchia worm (also known as W32/Nachi.worm, WORM_MSBLAST.D, Lovsan.D) is similar to the 32.Blaster worm.       It exploits the following Microsoft vulnerabilities:       1. DCOM RPC - targets Windows XP systems via TCP port 135   Click on the following links to download the patch:     Windows XP 32 bit Edition or .zip version (Most customers have this edition. If you are uncertain which version you are using, try installing this patch first) Windows XP 64 bit Edition or .zip version 2. WebDav - targets systems running Microsoft IIS 5.0 via TCP port 80   Click on the following links to download the patch:   Windows NT 4.0 or .zip version Windows 2000 or .zip version Windows XP 32-bit Edition or .zip version (Most customers have this edition. If you are uncertain, try installing this patch first) Windows XP 64-bit Edition or .zip version   Removal Tools: W32.Welchia Worm Removal tool (Symantec) or .zip version       Virus Details: Virus details   Internet Security > Spam > Spyware > Virus > Computer Security > Others > Disclaimer Technical Support Customer Service

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