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  4. RommWar

RommWar

Type:Trojan
Category:Trojan
Platform:SymbOS
Date of Discovery:April 02, 2006

Summary

SymbOS/RommWar is a malicious SIS trojan that installs a malfunctioning system component that causes the phone to freeze, requiring a restart. SymbOS/RommWar uses MIME recognizer to execute the malfunctioning system component causing the phone to freeze shortly after the restart of the phone.

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:

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

Additional Details

Write-up: Juha-Pekka Heikkilä, April 6, 2006

Technical Details: Juha-Pekka Heikkilä, April 6, 2006