1. /
  2. Security Response/
  3. W32.Sober.L@mm

W32.Sober.L@mm

Risk Level 2: Low

Discovered:
March 7, 2005
Updated:
February 13, 2007 12:34:47 PM
Also Known As:
Win32.Sober.L [Computer Associ, Email-Worm.Win32.Sober.l [Kasp, W32/Sober.m@MM [McAfee], W32/Sober-L [Sophos], WORM_SOBER.L [Trend Micro]
Type:
Worm
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

W32.Sober.L@mm is a mass-mailing worm that uses its own SMTP engine to spread. The email may be in either English or German. The email has a variable subject and attachment name. The attachment has a .zip file extension.

Note: Virus definitions version 70307t (extended version 3/7/2005 rev. 20) or greater are required to detect this threat.

Antivirus Protection Dates

  • Initial Rapid Release version March 7, 2005
  • Latest Rapid Release version June 24, 2014 revision 006
  • Initial Daily Certified version March 7, 2005
  • Latest Daily Certified version August 3, 2012 revision 004
  • Initial Weekly Certified release date March 7, 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: 50 - 999
  • Number of Sites: More than 10
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Moderate

Damage

  • Damage Level: Medium

Distribution

  • Distribution Level: High
Writeup By: Fergal Ladley

Search Threats

Search by name
Example: W32.Beagle.AG@mm
STAR Antimalware Protection Technologies
Internet Security Threat Report, Volume 17
Symantec DeepSight Screensaver