Chinese advertising firm Yingmob responsible for distributing Android malware. Firm behind HummingBad for Android and Yispecter for iOS malware, according to cybersecurity firm Check Point. Firm is based in Chongqing, China, and claims to provide easy-to-deploy ads support (text, pictures and video ads), without affecting the user experience. Yingmob earns $3,000 daily from clicks alone and another $7,500 from fraudulent app installs, making $300,000 per month, or around $3.6 million per year.
Source: https://thehackernews.com/2016/07/android-malware-china.html