Summary:
Latest mobile threat could herald the arrival of more sophisticated mobile ransomware.
Just around this time last year, Symantec came across a fake security app called Android Defender (Android.Fakedefender) that held mobile devices hostage until a ransom was paid up.
Source: http://www.symantec.com/connect/blogs/simplocker-first-confirmed-file-encrypting-ransomware-android Joji Hamada