BatMobi is an Advertisement Software Developer Kit (Ad SDK) that was once clean and safe to use. It suddenly began serving adware in January. Malwarebytes found it on apps pre-installed on Mi Mobile devices. The infected apps are as listed: Uptodown, Videoder, Video Downloader, Snaptube, and TubeMate. If you are having issues with adware, you can follow our instructions for disabling it or uninstalling it on your device.”]
Source: https://blog.malwarebytes.com/cybercrime/2019/03/awaking-the-beast-adware-batmobi/