Android/Trojan.HiddenAds.UJ is Malwarebytes’ detection name displayed for a specific variant of the HiddenAds Trojan that is very common on Android devices.
Aggressive advertising will be displayed and difficult for the end user to identify which app is displaying. Advertising functionality is hidden and user is not made aware of the ads during installation.
This app can be found in third party app stores as well as in posts in various forums.
Malwarebytes for Android protects against Android/ Trojan.HiddenAds.UJ.
These apps can be uninstalled using the mobile devices uninstall functionality, but these apps can be made available under another name. That is where Malwarebytes for Android can help you, by identifying these apps and removing them