Trojan:SymbOS/Romride.A is a malicious SIS trojan that installs malfunctioning system configuration components that cause different behavior depending on the ROM software version on the device.
CAUTION! This method will remove all data on the device, including calendar and phone numbers:
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If the phone is rebooted and subsequently will not start again, it can be recovered with a hard format key code entered at boot.
The SIS trojan is distributed in a file named "Nokia Live.sis".
Romride.A installs a malfunctioning system configuration files into the C: drive of the phone.
Romride.A causes different effects depending on the version of the ROM software on the device. Effects witnessed vary from start up failure, to no apparent effect at all.
Shortly after the device infected with SymbOS/Romride.A restarts, it shows a notification similar to the picture below:
When this notification is displayed the only working function on the device is the option to power-off.