APK Mania is a dubious website that offers a wide-ranging collection of Android cracked applications, popular games, wallpapers, free versions of paid original ones hosted on the official Google Play Store. The flashy webpage is packed full with pop-up commercials, quizzes and misleading customer surveys. A similar scareware-type attack was also deployed from some legitimate apps on Google Play, where a well-known advertising service overlooked a malicious banner that scared people into thinking their devices were infected. Under the pretext of getting a disinfection tool, the scam was subscribing people to an expensive wallpaper service.”]
Source: https://www.bitdefender.com/blog/hotforsecurity/mobomarket-gets-new-users-via-scam/