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W32.Yalat.Worm

Risk Level 1: Very Low

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Discovered: February 10, 2003
Updated: February 13, 2007 11:51:40 AM
Also Known As: I-Worm.Haelp [KAV], W32/Yalat.worm [McAfee]
Type: Worm
Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP


W32.Yalat.Worm is a worm that attempts to spread by using MAPI and by copying itself to shared folders. It also attempts to stop the processes of some antivirus programs. Due to bugs in the code, the worm does not work as intended.

Protection

  • Initial Rapid Release version February 10, 2003
  • Latest Rapid Release version August 20, 2008 revision 017
  • Initial Daily Certified version February 10, 2003
  • Latest Daily Certified version August 20, 2008 revision 016
  • Initial Weekly Certified release date February 12, 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: Moderate

Damage

  • Damage Level: Medium

Distribution

  • Distribution Level: Low

Writeup By: Kaoru Hayashi
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