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W32.Addnu

Risk Level 1: Very Low

Discovered:
November 8, 2012
Updated:
November 8, 2012 6:37:54 PM
Type:
Worm
Systems Affected:
Windows 2000, Windows 7, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Server 2008, Windows Vista, Windows XP
W32.Addnu is a worm that spreads by copying itself to removable drives. It also opens a back door on the compromised computer.

Antivirus Protection Dates

  • Initial Rapid Release version November 8, 2012 revision 009
  • Latest Rapid Release version June 24, 2014 revision 006
  • Initial Daily Certified version November 8, 2012 revision 019
  • Latest Daily Certified version November 13, 2012 revision 009
  • Initial Weekly Certified release date November 14, 2012
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: Easy

Damage

  • Damage Level: Medium
  • Payload: Opens a back door.

Distribution

  • Distribution Level: Low
  • Target of Infection: Spreads through removable drives.
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: Kevin Savage

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