SymbOS.Cdropper.J 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.B
onto the compromised device.
SymbOS.Cdropper.J reportedly arrives as New_wma_play_on_UltraMP3.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.
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