HummingBad is Android malware, discovered by Check Point in February 2016.
[1] In July 2016, researchers from security firm Check Point Software said the malware installs more than 50,000 fraudulent apps each day, displays 20 million malicious advertisements, and generates more than $300,000 per month in revenue.
[2][3] The research pointed out the Yingmob group, previously accused of being responsible for the Yispecter iOS malware, as responsible for the attack.
[4] Lookout claimed the HummingBad malware was also a part of the Shedun family, however, these claims were refuted.
[5][6] The most infected region was Asia which included China, India, Philippines, Indonesia and Turkey as the top countries.