China-made UC Browser contains a “questionable” ability that could be exploited by remote attackers to automatically download and execute code on your Android devices. Remote attackers can perform man-in-the-middle (MiTM) attacks and push malicious modules to targeted devices. UC Browser is one of the most popular mobile browsers, specifically in China and India, with a massive user base of more than 500 million users worldwide. At the time of writing, UC Browser and UC Browser Mini are “still available and can download new components, bypassing Google Play servers”
Source: https://thehackernews.com/2019/03/uc-browser-android-hacking.html