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Alert! Virus Welchia B: Moderate

Feb 17, 2004 10:11AM PST

WARNING: W32.Welchia.B.Worm
Threat level: Category 3, Moderate (scale of 1-5)
Type:
Worm

What is W32.Welchia.B.Worm and how does it affect me?

As of February 13, 2003, due to an increased rate of submissions, Symantec Security Response has
upgraded this threat to a Category 3 from a Category 2.

W32.Welchia.B.Worm is a variant of W32.Welchia.Worm. If the version of the operating system of the infected machine is Chinese, Korean, or English, the worm will attempt to download the Microsoft Workstation Service Buffer Overrun and Microsoft Messenger Service Buffer Overrun patches from the Microsoft

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