There is a list of Apps that need to be removed if you have them on your Android phone. The Apps contain what is being called “the Joker”:
Advocate Wallpaper Age Face Altar Message Antivirus Security - Security Scan Beach Camera Board picture editing Certain Wallpaper Climate SMS Collate Face Scanner Cute Camera Dazzle Wallpaper Declare Message Display Camera Great VPN Humour Camera Ignite Clean Leaf Face Scanner Mini Camera Print Plant scan Rapid Face Scanner Reward Clean Ruddy SMS Soby Camera Spark Wallpaper
They have been removed from the Google Play Store already but if you have installed them you will need to remove them.
The background process of these Apps silently signs the user up to premium services and then captures the SMS authorisation code and installs it without your knowledge. It also will spy on your data.
There may be more of the Apps that need to be removed as the Google Store Apps are vetted. To read more about the problem see: