The highly popular UC Browser and UC Browser Mini Android apps, with a total of over 600 million Play Store installs, exposed their users to MiTM attacks by downloading an Android Package Kit (APK)¬†from a third party server over unprotected channels. […]

from https://www.bleepingcomputer.com/news/security/500-million-uc-browser-android-users-exposed-to-mitm-attacks-again/