1. Symantec/
  2. Security Response/
  3. SymbOS.Cdropper.B


Risk Level 1: Very Low

December 22, 2004
February 13, 2007 12:56:55 PM
Also Known As:
Cdropper.B [F-Secure]
Trojan Horse
Systems Affected:
Symbian OS

SymbOS.Cdropper.B is a Trojan horse that runs on the Symbian OS, which is used as the operating system for Nokia Series 60 cellular telephones. It drops a copy of SymbOS.Cabir onto the compromised device.

SymbOS.Cdropper.B reportedly arrives as Sexxxy.sis. If a user opens this file, the device Installer will display a dialog to warn the user that the application may be coming from an untrusted source and may cause potential problems.

Virus definitions dated June 28, 2006 or earlier may detect this threat as SymbOS.Cabir.A.

Antivirus Protection Dates

  • Initial Rapid Release version June 29, 2006
  • Latest Rapid Release version August 20, 2008 revision 017
  • Initial Daily Certified version June 29, 2006
  • Latest Daily Certified version August 20, 2008 revision 016
  • Initial Weekly Certified release date July 5, 2006
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Yana Liu

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