If you are in need of uninstalling the Malwarebytes App please follow these instructions in this article There are different experiences when uninstalling that are based on if the Device Administrator feature is turned on or off. Android 2.2 introduced support for enterprise applications by offering the Android Device Administration API. The Device Administration API provides device administration features at the system level which is required for some features of enterprise apps. If you have Device Administration turned on, you will see the uninstall button grayed out.
You will need to turn it off before you can proceed. Use the instructions in our article "How-To: Turn off Device Administration" for instructions on how to perform this action. If you would like to uninstall via the Google Play store, our article "How-To: Uninstall Malwarebytes for Android from the Google Play store" will have the instructions.
For the uninstall of Malwarebytes for Android, you will first need to get to the Settings for your device.
1) Once in the Settings, tap the Apps button to see which Apps you have installed.
2) On the Applications list, select Malwarebytes
3) The App details screen Will be displayed.Click on the Uninstall button.
This will have finished the uninstall.