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W32.Tidserv.G

Risk Level 2: Low

Discovered:
March 22, 2009
Updated:
August 15, 2012 10:53:06 AM
Also Known As:
W32/TDSS.BU [F-Secure]
Type:
Worm
Infection Length:
46,592 bytes; 39,879 bytes; 10,752 bytes
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Vista, Windows XP
W32.Tidserv.G is a worm that spreads by copying itself to removable drives. It may also simulate a fake DHCP server and download potentially malicious files on to the compromised computer.

For more information, please see the following resources:
Backdoor.Tidserv

Antivirus Protection Dates

  • Initial Rapid Release version March 22, 2009 revision 007
  • Latest Rapid Release version February 19, 2013 revision 016
  • Initial Daily Certified version March 22, 2009 revision 018
  • Latest Daily Certified version April 10, 2011 revision 002
  • Initial Weekly Certified release date March 25, 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: Downloads additional files and redirects DNS queries.

Distribution

  • Distribution Level: Medium
  • Shared Drives: Copies itself to removable drives.
Writeup By: Mircea Ciubotariu

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