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  3. Trojan.Helemoo

Trojan.Helemoo

Risk Level 1: Very Low

Discovered:
July 23, 2005
Updated:
February 13, 2007 12:42:36 PM
Also Known As:
JS/IEexploiter.A@expl [Frisk]
Type:
Trojan Horse
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP


Trojan.Helemoo is a back door Trojan that exploits the Microsoft Internet Explorer DHTML Object Race Condition Memory Corruption Vulnerability (described in Microsoft Security Bulletin MS05-020).

Antivirus Protection Dates

  • Initial Rapid Release version July 23, 2005
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version July 23, 2005
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date July 27, 2005
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

Distribution

  • Distribution Level: Low
Writeup By: Masaki Suenaga

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