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Trojan.Lazdropper

Risk Level 1: Very Low

Discovered:
August 17, 2007
Updated:
August 18, 2007 6:14:09 AM
Also Known As:
TROJ_LZDROPPER.A [Trend]
Type:
Trojan
Infection Length:
390,605 bytes
Systems Affected:
Windows 98, Windows 95, Windows XP, Windows Me, Windows Vista, Windows NT, Windows Server 2003, Windows 2000
Trojan.Lazdropper is a specially crafted .tgz file(TAR file compressed by gzip) that drops malicious files by exploiting the Lhaz Unspecified Remote Code Execution Vulnerability (BID 25351).

Antivirus Protection Dates

  • Initial Rapid Release version August 17, 2007 revision 040
  • Latest Rapid Release version August 20, 2008 revision 017
  • Initial Daily Certified version August 18, 2007 revision 007
  • Latest Daily Certified version August 20, 2008 revision 016
  • Initial Weekly Certified release date August 22, 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: drops another malware onto the compromised computer.
  • Degrades Performance: Dropped malware opens a back door in order to cummunicate with the attacker, which may degrade network performance.

Distribution

  • Distribution Level: Low
Writeup By: Chen Yu

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