Latest Android.Lockdroid.E variant uses speech recognition instead of typing for unlock code input. Being a good listener is normally considered an admirable quality in a person; however, it isn’t a quality you necessarily want to find in a piece of malware. The latest variant of the Android ransomware threat Android.
Article Link: http://www.securitynewspaper.com/2017/02/24/android-ransomware-requires-victim-speak-unlock-code/