|Date of Discovery:||April 02, 2006|
Depending on the effect caused by SymbOS/RommWar.A, removal of the malfunctioning components might be possible by going to application manager and uninstalling the SIS file in which SymbOS/RommWar.A arrived.
Disinfection for the cases when phone cannot start up
CAUTION! this method will remove all data on the device including calendar and phone numbers:
Installation to System
SymbOS/RommWar.A installs a malfunctioning system binary into the C: drive of the phone and a bootstrap component that executes the malfunctioning system binary. This is followed by different effect depending on the version of the ROM software in the device. Effects witnessed vary from the freezing of the device, to disabling of the power button, or sometimes no apparent effect at all.
Installs a corrupted system binary and a bootstrap component.
In the case of freezing the device, shortly after the device infected with SymbOS/RommWar.A restarts, it shows a notification similar to the picture above. When this notification is displayed the only working function on the device is the option to power-off.
F-Secure Mobile Anti-Virus for Symbian detects this malware starting from the update build number 84.
Write-up: Juha-Pekka Heikkilä, April 6, 2006
Technical Details: Juha-Pekka Heikkilä, April 6, 2006