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W32.Morto.B

Risk Level 2: Low

Discovered:
July 9, 2012
Updated:
September 21, 2012 10:05:30 AM
Also Known As:
Worm.Win32.Fipp.a [Kaspersky], PE_MUSTAN.A [Trend]
Type:
Worm
Infection Length:
Varies
Systems Affected:
Windows 2000, Windows 7, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Server 2008, Windows Vista, Windows XP
W32.Morto.B is a worm that spreads through removable drives and by using Remote Desktop Protocol (RDP) connections. It also infects executable files found on the compromised computer.

Antivirus Protection Dates

  • Initial Rapid Release version July 9, 2012 revision 049
  • Latest Rapid Release version July 9, 2012 revision 049
  • Initial Daily Certified version July 10, 2012 revision 003
  • Latest Daily Certified version July 10, 2012 revision 003
  • Initial Weekly Certified release date July 11, 2012
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: 3 - 9
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Moderate

Damage

  • Damage Level: Medium
  • Payload: Infects executable files.
  • Modifies Files: Injects a copy of itself into a system file.
  • Compromises Security Settings: Disables services and deletes applications related to security products.

Distribution

  • Distribution Level: Medium
  • Target of Infection: Spreads through removable drives and by using Remote Desktop Protocol.
Writeup By: Alan Neville

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