Cadmesk Virus - How to fix it

 

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SymbOS/Cadmesk may arrive on a phone disguised as a SIS installer for normal applications. When executed, it drops several files that are corrupted copies normal application files. This effectively disables the said applications. The following are some of the phone applications affected by this virus:

Auto-lock application
Application Manager
Bluetooth application
Calculator
Calendar
Camera
Chat application
Clock application
Dictionary
Media Gallery
Menu application
MMS Editor
MMS Viewer
Music Player
Notepad
Phonebook
Presence applications
Screen Saver application
Smart File Manager
Smart Movie
SMS Messaging
Speed Dial
SystemExplorer
UltraMP3
Voicerecorder


It also drops and executes several known mobile viruses:

SymbOS/Doomed
SymbOS/Cabir
SymbOS/Skulls

SymbOS/Cadmesk affects phones running the Symbian S60 platform. Some affected phones include the following:

Nokia 3650, 3600
Nokia 3660, 3620
Nokia 6600
Nokia 6620
Nokia 7610
Nokia 7650
Nokia N-Gage
Panasonic X700
Sendo X
Siemens SX1

Manual Disinfection

To disinfect a compromised device, it is necessary to reinstall all overwritten applications. The SymbOS/Cadmesk SIS installer must then be deleted. If this does not restore the phone, a formatting the phone may be necessary. All data saved in the C drive will be lost during a format.

 

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