https://www.bleepingcomputer.com/news/security/shareit-fixes-security-bugs-in-app-with-1-billion-downloads/

Singapore-based Smart Media4U Technology said today that it fixed SHAREit vulnerabilities that may have allowed attackers to execute arbitrary code remotely on users' devices.

The security bugs impact the company's SHAREit Android app, an application that downloaded more than 1 billion times, according to Google Play Store statistics.