W32.Beagle.AY@mm

Risk Level 2: Low

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Discovered:: January 26, 2005
Updated:: February 13, 2007 12:32:27 PM
Also Known As:: Win32.Bagle.AT [Computer Assoc, Bagle.AX [F-Secure], Email-Worm.Win32.Bagle.ax [Kas, W32/Bagle.bj@MM [McAfee], W32/Bagle-AY [Sophos], WORM_BAGLE.AY [Trend Micro]
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

W32.Beagle.AY@mm is a mass-mailing worm that also spreads through file-sharing networks. The email will have a variable subject and attachment name. The attachment will have a .com, .cpl, .exe, or .scr file extension.

Note: Virus definitions version 70126v (extended version 20050126.022) or greater are required to detect this threat.

Antivirus Protection Dates

Initial Rapid Release version January 26, 2005
Latest Rapid Release version January 26, 2005
Initial Daily Certified version January 26, 2005
Latest Daily Certified version January 26, 2005
Initial Weekly Certified release date January 26, 2005

Click for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

Wild Level: Medium
Number of Infections: 50 - 999
Number of Sites: More than 10
Geographical Distribution: Low
Threat Containment: Easy
Removal: Moderate

Damage

Damage Level: Medium

Distribution

Distribution Level: High

Writeup By: John Park

Technical Details

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Internet Security Threat Report, Volume 16