1. /
  2. Security Response/
  3. SymbOS.Cdropper.S


Risk Level 1: Very Low

June 30, 2006
February 13, 2007 12:57:12 PM
Trojan Horse
Systems Affected:
Symbian OS

SymbOS.Cdropper.S 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 variants of SymbOS.Cabir onto the compromised device.

SymbOS.Cdropper.S reportedly arrives as OperatorLogo2.0-by9546.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.

Antivirus Protection Dates

  • Initial Rapid Release version July 3, 2006
  • Latest Rapid Release version July 3, 2007 revision 049
  • Initial Daily Certified version July 3, 2006
  • Latest Daily Certified version July 4, 2007 revision 065
  • 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

Search Threats

Search by name
Example: W32.Beagle.AG@mm
STAR Antimalware Protection Technologies
Internet Security Threat Report