Malware framework gained more than one billion fraudulent ad impressions and generated a significant Google AdSense revenue every month. Malware is designed to pad statistics on social sites and ad impressions by including Google Chrome, Mozilla Firefox, and Yandexs browser and install a malicious browser extension. Malicious browser extension not only designed to gain ad impression but also generate likes on YouTube videos and watch hidden Twitch streams. The malware is concentrated in a few geographic locations, led by Russia, Ukraine, and Kazakhstan.”]
Source: https://gbhackers.com/malware-framework-generated-ad-impression/