W32.Crowt.A@mm

Risk Level 2: Low

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Discovered:: January 23, 2005
Updated:: February 13, 2007 12:32:17 PM
Also Known As:: Worm.Win32.Cocoazul.e [Kaspers, W32/Crowt.worm [McAfee], W32/Crowt-A [Sophos], WORM_CROWT.A [Trend Micro]
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

W32.Crowt.A@mm is a mass-mailing worm that opens a back door, logs keystrokes, and emails itself to all addresses in the Microsoft Outlook Address Book.

Antivirus Protection Dates

Initial Rapid Release version January 24, 2005
Latest Rapid Release version February 21, 2011 revision 016
Initial Daily Certified version January 24, 2005
Latest Daily Certified version February 21, 2011 revision 019
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: 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: High

Writeup By: Fergal Ladley

Technical Details

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Internet Security Threat Report, Volume 16