W32.Alcra.B

Risk Level 2: Low

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Discovered: June 27, 2005

Updated: February 13, 2007 12:41:15 PM

Also Known As: Win32.Alcan.D [Computer Associ, Worm.Win32.VB.an [Kaspersky La, W32/Alcan.worm!p2p [McAfee], W32/Alcra-B [Sophos], WORM_VB.AS [Trend Micro]

Type: Worm

Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

W32.Alcra.B is a worm that propagates through file-share networks and attempts to disable several programs on the compromised computer.

Protection

Initial Rapid Release version June 27, 2005
Latest Rapid Release version August 20, 2008 revision 017
Initial Daily Certified version June 27, 2005
Latest Daily Certified version January 20, 2009 revision 048
Initial Weekly Certified release date June 29, 2005

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: Medium

Writeup By: Paul Mangan

Technical Details

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