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  3. W32.Darker.Worm


Risk Level 1: Very Low

November 4, 2003
February 13, 2007 12:13:20 PM
Also Known As:
Worm.P2P.Darker.b [Kaspersky]
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

W32.Darker.Worm is a worm that attempts to spread through file-sharing networks and can contact an IRC server, waiting for commands from a hacker.

The worm can also spread via email if it receives a specific command from a hacker.

The email has the following characteristics:

Subject: Microsoft Windows OutLook Express urgent updates
Attachment: SVCHOST.EXE

W32.Darker.Worm is written in Borland Delphi and is packed with UPX.

Antivirus Protection Dates

  • Initial Rapid Release version November 5, 2003
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version November 5, 2003
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date November 5, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment


  • Wild Level: Low
  • Number of Infections: 0 - 49
  • Number of Sites: 0 - 2
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Moderate


  • Damage Level: Medium


  • Distribution Level: Medium
Note: On May 14, 2015, modifications will be made to the threat write-ups to streamline the content. The Threat Assessment section will no longer be published as this section is no longer relevant to today's threat landscape. The Risk Level will continue to be the main threat risk assessment indicator.
Writeup By: Scott Gettis

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