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W32.HLLW.Antinny

Risk Level 1: Very Low

Discovered:
August 8, 2003
Updated:
February 13, 2007 12:04:56 PM
Type:
Worm
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

W32.HLLW.Antinny is a worm that spreads on the Winny file-sharing network. When W32.HLLW.Antinny is executed, it displays a fake error message in Japanese.

The worm is written in Microsoft Visual C++.

Antivirus Protection Dates

  • Initial Rapid Release version August 8, 2003
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version August 8, 2003
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date August 13, 2003
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: Medium
Writeup By: Kaoru Hayashi

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