Android/Trojan.HiddenAds is Malwarebytes generic detection name for a large family of Trojans that can be found very often on Android devices.
Aggressive advertising will be displayed and it’s difficult for the end user to identify which app is displaying them. The advertising functionality is hidden and the user is not made aware of the ads during the installation.
These apps can be found in third party app stores as well as in posts in various forums.
Malwarebytes for Android protects against Android/ Trojan.HiddenAds
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.