Jailbroken iPhones Hit With 'RickRoll' Worm - (FIX)
1. Download MobileTerminal from Cydia or your choice of installer if you don't already have it.
2. After you have MobileTerminal, launch it. Upon launch, you will see a command prompt.
3. Type su and hit return and you will then be asked for a password. This is logging you in as an administrator.
4. Your default password is alpine so enter that and press return again.
5. Now type passwd then hit return.
6. You should now be prompted to enter a new password. Enter your new password here and hit return.
7. You'll be asked to verify your new password, so do that, hit return, and you're done!