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W32.Koobface.C

Risk Level 2: Low

Discovered:
July 15, 2009
Updated:
July 15, 2009 4:23:00 PM
Type:
Worm
Infection Length:
24,576 bytes
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Server 2008, Windows Vista, Windows XP
W32.Koobface.C is a worm that spreads through Twitter.

For more information, please see the following resources:
W32.Koobface
Koobface Turns the Other Cheek

Antivirus Protection Dates

  • Initial Rapid Release version July 15, 2009 revision 025
  • Latest Rapid Release version February 19, 2013 revision 016
  • Initial Daily Certified version July 15, 2009 revision 037
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date July 22, 2009
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 on the compromised computer.

Distribution

  • Distribution Level: Medium
  • Target of Infection: Spreads through Twitter.
Writeup By: Ka Chun Leung & Kaoru Hayashi

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