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W32.Mabezat.B

Risk Level 2: Low

Discovered:
December 1, 2007
Updated:
December 2, 2007 12:17:56 PM
Also Known As:
W32/Mabezat-B [Sophos], Worm:W32/Mabezat.B [F-Secure], Win32/Mabezat.B [Computer Associates], Worm:W32/Mabezat [F-Secure]
Type:
Worm
Infection Length:
154,751 bytes (exe), 32,768 bytes (DLL)
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Vista, Windows XP
W32.Mabezat.B is a worm that spreads through email, removable drives and network shares protected by weak passwords. It also infects executable files and encrypts data files.

Antivirus Protection Dates

  • Initial Rapid Release version December 1, 2007 revision 008
  • Latest Rapid Release version March 20, 2014 revision 016
  • Initial Daily Certified version December 1, 2007 revision 017
  • Latest Daily Certified version March 20, 2014 revision 025
  • Initial Weekly Certified release date December 5, 2007
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
  • Large Scale E-mailing: Sends emails with attachments.
  • Modifies Files: Encrypts files.

Distribution

  • Distribution Level: High
  • Subject of Email: Varies
  • Name of Attachment: Varies
  • Size of Attachment: Varies
  • Shared Drives: Network shares protected by weak passwords and removable drives.
  • Target of Infection: Executable files.
Writeup By: Elia Florio

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