Trojan could earn its Chinese authors at least $500,000 in a single day, researchers say. Hummer is hard to remove from infected device due to administrator privilege setting. Trojan has infected millions of smartphones worldwide, ranking it the most virulent member of the Android Trojan family. The authors of Hummer have used as many as 12 domains to promote the infected apps. All domains have been linked to a single email address in China, Cheetah Mobile said in a blog post. Some of the most frequently targeted countries are India, Indonesia and Turkey.”]