W32.Kalel.A@mm

Risk Level 2: Low

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Discovered: May 24, 2005

Updated: February 13, 2007 12:39:20 PM

Also Known As: Win32.Ezio.B [Computer Associa, Net-Worm.Win32.Afire.{a, b} [Kaspersky Lab], W32/Kalel.{b, gen}@MM [McAfee], W32/Kalel-{A, B} [Sophos], WORM_KELAL.A [Trend Micro]

Type: Worm

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

W32.Kalel.A@mm is a mass-mailing worm that uses its own SMTP engine to spread. It also attempts to spread through various file-sharing networks.

Antivirus Protection Dates

Initial Rapid Release version May 25, 2005
Latest Rapid Release version August 20, 2008 revision 017
Initial Daily Certified version May 25, 2005
Latest Daily Certified version January 20, 2009 revision 048
Initial Weekly Certified release date May 25, 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: Easy

Damage

Damage Level: Medium

Distribution

Distribution Level: High

Writeup By: Yana Liu

Technical Details

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