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W32.Sober.Q@mm

Risk Level 2: Low

Discovered:
October 5, 2005
Updated:
February 13, 2007 12:45:09 PM
Also Known As:
CME-151, Sober.Y [Panda Software], W32/Sober.r@MM [McAfee], WORM_SOBER.AC [Trend Micro]
Type:
Worm
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP


W32.Sober.Q@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.

It has been reported that it may arrive as one of the following files and that inside the ZIP archive is a file named PW_Klass.Pic.packed-bitmap.exe:
    • KlassenFoto.zip
    • pword_change.zip


Antivirus Protection Dates

  • Initial Rapid Release version October 5, 2005
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version October 5, 2005
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date October 5, 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: Masaki Suenaga

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