SymbOS.Cdropper.I 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 the SymbOS.Cabir
worm and SymbOS.Locknut
Trojan to the compromised device.
The Trojan horse reportedly arrives as MMFpatch.sis. If a user opens this file, the phone installer will display a dialog to warn users that the application may be coming from an untrusted source and may cause potential problems.
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