Malware
Shopper
aka LeifAccess
Shopper/LeifAccess is a malicious Android app that uses Android's AccessibilityService to secretly control the device.
Shopper, also known as LeifAccess, is a Android malware family.
Background
Shopper/LeifAccess is a rogue Android app that abuses Android's AccessibilityService to covertly take command of the device. It can install apps, post bogus reviews, display ads, and even sign users up on various platforms. Posing as a system app, it harvests personal and device data and ships it to remote servers. Its peak activity came in late 2019, particularly across Russia, Brazil, and India.
Source: Malpedia (Fraunhofer FKIE).