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F-Secure Malware Information Pages: Trojan:SymbOS/Bootton.I
[Summary] | [Disinfection] | [Detection]

Name : Trojan:SymbOS/Bootton.I
Alias:SymbOS/Bootton.I, SymbOS/Bootton.J
Type:Trojan
Category:Malware
Platform:SymbOS
Radar

Summary
Bootton.I is a trojan for Symbian OS Series 60 2nd Edition phones.

Bootton.I overwrites some system files on the phone causing some settings to be reset. In phones with Symbian OS Series 60 2nd Edition Feature Pack 3, overwriting these files causes the phone to not reboot properly.
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Disinfection

Disinfection for the cases when phone cannot start up
CAUTION! this method will remove all data on the device including calendar and phone numbers:

  1. Power off the phone
  2. Hold the following three buttons down - "answer call" + "*" + "3"
  3. Keep holding down the buttons and power on the phone
  4. Depending on the model, you will either get text that reads "formatting" or a start-up dialog that asks for the initial phone settings
  5. Your phone is now formatted and can be used again

To prevent future infections, please download F-Secure Mobile Anti-Virus from here: http://f-secure.mobi.
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Detection

F-Secure Mobile Anti-Virus for Symbian detects this malware starting from the update build number 125.
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F-Secure Corporation

Last Modified: June 28, 2007