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- Discovered:
- November 6, 2003
- Updated:
- February 13, 2007 12:13:26 PM
- Also Known As:
- Bloodhound.W32.VBWORM, W32/Wukill.worm [McAfee]
- Type:
- Worm
- Systems Affected:
- Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP
W32.Wullik.B@mm is a mass-mailing worm that attempts to send itself to all the contacts in the Outlook address book.
The email has the following characteristics:
Subject: MS?DOS???? (the ?'s represent Chinese characters.)
Attachment: MShelp.EXE
Message: <Chinese text>
The worm makes numerous copies of itself in random locations, and moves to a new location when Windows Explorer browses to the folder from which it runs. It can spread to floppy disks and shared network drives under some conditions.
W32.Wullik.B@mm is written in Visual Basic. Virus definitions dated prior to November 7, 2003 may detect it as Bloodhound.W32.VBWORM.
Antivirus Protection Dates
- Initial Rapid Release version November 7, 2003
- Latest Rapid Release version September 28, 2010 revision 054
- Initial Daily Certified version November 7, 2003
- Latest Daily Certified version September 28, 2010 revision 036
- Initial Weekly Certified release date November 12, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Threat Assessment
Wild
- Wild Level: Low
- Number of Infections: 0 - 49
- Number of Sites: 0 - 2
- Geographical Distribution: Low
- Threat Containment: Easy
- Removal: Moderate
Damage
- Damage Level: Low
Distribution
- Distribution Level: High
Writeup By: Heather Shannon
