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VBS.Yeno@mm

Risk Level 1: Very Low

Discovered:
May 31, 2004
Updated:
February 13, 2007 12:23:54 PM
Also Known As:
VBS.Entice [Kaspersky]
Type:
Worm
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

VBS.Yeno@mm is a mass-mailing worm that sends itself to all the email addresses that it finds in the Microsoft Outlook Address Book.

The email has the following characteristics:

Subject: Fw: give some ...
Attachment: Variable file name.

This worm also adds comments to .vbs, .vbe, .htm, and .html files in the root folder of the C drive.

Antivirus Protection Dates

  • Initial Rapid Release version June 1, 2004
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version June 1, 2004
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date June 1, 2004
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: Low

Distribution

  • Distribution Level: High
Writeup By: Hiroshi Shinotsuka

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