Singlejump.I (renamed Onehop.I) is Symbian SIS file trojan that replaces system files and some 3rd party applications with corrupted binaries from SymbOS/Doomboot.A trojan. These components prevent phone from rebooting, so if your phone is infected with Singlejump.I, it is critical not to reboot the phone. Singlejump.I sends also SymbOS/Onehop.B to the first device it finds with Bluetooth.
CAUTION! This method will remove all data on the device, including calendar and phone numbers
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Spreading in: SC-CT_carcked_S60_BiNPDA.sis
Singlejump.I replaces built in and third party applications with component that causes reboot to fail.
Singlejump.I uses modified Cabir to spread other trojans. Instead of sending a copy of itself it loads SIS file installed by Singlejump.I and sends it to the first phone it finds within Bluetooth range. In most cases these trojans doesn't send themselves further.