Bootton.F is a SIS file that installs a small software component that resets the device. This component will be executed automatically after installation and at system start up. That causes the reboot to fail and leaves the phone in an unusable state.
CAUTION! This method will remove all data on the device including the calendar and phone numbers:
In its structure, Bootton.F is quite similar to SymbOS/Bootton.E with the exception that instead of needing user action to reboot the phone it does so automatically after installation and at the phone's start up.
F-Secure Mobile Anti-Virus for Symbian detects this malware starting from the
Detection Type: Mobile
Database: update build number 44