Massive ad-fraud op dismantled after hitting millions of iOS devices
What the team pieced together was an expansive malvertising operation in which the bad actors injected JavaScript into ad creatives they issued, and then stacked a whole bunch of video players on top of one another, getting paid for all of the ads when none of them were visible to the person using the device. - HUMAN
https://www.humansecurity.com/learn/blog/traffic-signals-the-vastflux-takedown
signs to look out for are performance drops for the device, increase in the use of battery and internet data, and can even lead to device overheating.
The above are common signs of adware infections or ad fraud in the device
