Cabir.C is a minor variant of Cabir.B. The only significant differences are that Cabir.C displays different text on the start dialog when worm starts and that the Cabir.C spreads as Ni&Ai-.SIS instead of Cabir.SIS.
Cabir.C displays the text "Ni&Ai-" while Cabir.B displays text that contains just "Caribe".
If your phone is infected with Cabir.C and you cannot install files via bluetooth, you can download F-Secure Mobile Anti-Virus directly to your phone:
• Download F-Secure Mobile Anti-Virus from http://f-secure.mobi and activate the Anti-Virus
• Scan the phone and remove any components of the malware
• Reboot the phone to remove memory resident components
Additional Details
Cabir.C is a minor hexedit variant of Cabir.B, with the exception of a new filename and different text displayed during the worm's start. Cabir.C behaves identically Cabir.B.