W32.Sober.S@mm

Risk Level 2: Low

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Discovered:: November 15, 2005
Updated:: February 13, 2007 12:46:25 PM
Also Known As:: Sober.{AC, AG} [Panda Software], Sober.R [Computer Associates], Sober.V [F-Secure], W32/Sober.{t, u}@MM [McAfee]
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

W32.Sober.S@mm is a mass-mailing worm that uses its own SMTP engine to spread. It sends itself as an email attachment to addresses gathered from the compromised computer. The email may be in either English or German.

Antivirus Protection Dates

Initial Rapid Release version November 15, 2005
Latest Rapid Release version March 11, 2011 revision 032
Initial Daily Certified version November 15, 2005
Latest Daily Certified version March 11, 2011 revision 025
Initial Weekly Certified release date November 16, 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: Easy

Damage

Damage Level: Low

Distribution

Distribution Level: High

Writeup By: John Park

Technical Details

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Internet Security Threat Report, Volume 16