1. Symantec/
  2. Security Response/
  3. SymbOS.Cardtrp.K


Risk Level 1: Very Low

December 12, 2005
February 13, 2007 12:49:56 PM
Trojan Horse
Systems Affected:

SymbOS.Cardtrp.K is a Trojan horse that runs on the Symbian OS, which is used as the operating system for Nokia Series 60 cellular telephones.

It disables some applications installed on the device and drops threats onto the device's memory card, which can compromise computers running Windows.

SymbOS.Cardtrp.K reportedly arrives as Symantec Mobile Security.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.

Symantec recommends the following to protect against this threat:
  • Avoid use of device pairing. If it must be used, ensure that all paired devices are set to "Unauthorized". This requires each connection request to be authorized by the user.
  • Do not accept unsigned applications (no digital signature) or applications sent from unknown sources. Be absolutely sure of the origin of the application before accepting it.

Antivirus Protection Dates

  • Initial Rapid Release version December 13, 2005
  • Latest Rapid Release version December 13, 2005
  • Initial Daily Certified version December 13, 2005
  • Latest Daily Certified version December 13, 2005
  • Initial Weekly Certified release date December 14, 2005
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Yana Liu

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