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W32.Takeobel

Risk Level 1: Very Low

Discovered:
February 28, 2007
Updated:
February 28, 2007 11:06:06 AM
Type:
Worm
Infection Length:
28,672 bytes
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP
W32.Takeobel is a worm that copies itself to mapped network drives. It also adds an .ln3 extension to any .doc files that it finds on the compromised computer.

Antivirus Protection Dates

  • Initial Rapid Release version February 28, 2007
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version February 28, 2007
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date February 28, 2007
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: Low
  • Payload: Adds an .ln3 extension to all .doc files on the compromised computer.
  • Modifies Files: Adds an .ln3 extension to .doc files.

Distribution

  • Distribution Level: Medium
  • Shared Drives: Copies itself to mapped network drives.
Writeup By: Hatsuho Honda

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