W32.Atendo@mm

Risk Level 1: Very Low

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Discovered:: June 27, 2003
Updated:: February 13, 2007 12:02:59 PM
Also Known As:: Trojan.Win32.Atendo [KAV], W32/Payfor@M [McAfee]
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

W32.Atendo@mm is a worm that replies to all the email messages it finds in the Microsoft Outlook Inbox of an infected computer. The worm also contains a destructive payload that deletes certain files from an infected computer.

Antivirus Protection Dates

Initial Rapid Release version June 27, 2003
Latest Rapid Release version November 12, 2009 revision 049
Initial Daily Certified version June 27, 2003
Latest Daily Certified version November 12, 2009 revision 048
Initial Weekly Certified release date June 28, 2003

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: Medium

Writeup By: Robert X Wang

Technical Details

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Internet Security Threat Report, Volume 16