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W32.HLLW.Deadhat

Risk Level 2: Low

Discovered:
February 6, 2004
Updated:
February 13, 2007 12:17:08 PM
Also Known As:
Vesser [F-Secure], W32/Deadhat.worm.a [McAfee], WORM_DEADHAT.A [Trend], Win32.Deadhat.A [Computer Asso, Worm.Win32.Vesser [Kaspersky]
Type:
Worm
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP


W32.HLLW.Deadhat is a worm with backdoor capabilities. It attempts to uninstall the W32.Mydoom.A@mm and W32.Mydoom.B@mm worms, and then it spreads to other systems infected with Mydoom. Also, it spreads through the Soulseek file-sharing program.

Antivirus Protection Dates

  • Initial Rapid Release version February 9, 2004
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version February 9, 2004
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date February 9, 2004
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: Medium

Distribution

  • Distribution Level: Medium
Writeup By: Heather Shannon

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