Your iPhone has been encrypted.

Cryptolocker Mobile has encrypted your iPhone with industry-grade AES encryption. The keys are 4096 bit in length and thus are virtually uncrackable even on hardware in US Navy's possesion.
The keys have been removed from your device and are securely stored on our key servers in the cloud. To recover your files and your device make a payment as instructed below.
Send 1 BTC (Bitcoin) to the following address: 1FdjeE1ihk2QSKiroQ9vYGsofa7PXf4Hwa
Awaiting payment...
Once your payment is processed by the blockchain you will automatically get access to your files.
Click here for a list of the encrypted files.