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Trojan.Cidox

Risk Level 1: Very Low

Discovered:
July 7, 2011
Updated:
July 7, 2011 12:03:20 PM
Type:
Trojan
Systems Affected:
Windows 2000, Windows 7, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Server 2008, Windows Vista, Windows XP
Trojan.Cidox is a Trojan horse that modifies the NTFS boot sector's Initial Program Loader (IPL) in order to perform malicious actions.

Antivirus Protection Dates

  • Initial Rapid Release version July 7, 2011 revision 007
  • Latest Rapid Release version June 23, 2014 revision 032
  • Initial Daily Certified version July 7, 2011 revision 017
  • Latest Daily Certified version June 24, 2014 revision 001
  • Initial Weekly Certified release date July 13, 2011
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: Modifies HTML within the Web browser.
  • Modifies Files: Modifies the NTFS boot sector's Initial Program Loader (IPL)

Distribution

  • Distribution Level: Low
Writeup By: Stephen Doherty, Masaki Suenaga, and Takayoshi Nakayama

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