182 Android apps have been linked to an adware campaign that has plagued users who download apps from Google Play. Trend Micro detected the adware campaign identified as AndroidOS_HiddenAd.HRXAA and AndroidOS_HiddenAd.GCLA. The adware was hidden inside free-to-download game and camera apps, the majority of which were found on the Google Play

Source: Hot Hardware – These Insidious Android Apps Ran Sophisticated Ad Malware Schemes, Downloaded By Millions