I started using Adsterra a couple of days ago. First I saw some positive reviews, and there were also people who said it had malware redirects. I still decided to try it out for myself.

Yes, Adsterra might pay a bit better but it's really NOT worth it. Just a day after placing BANNER ads, I got users complaining they were randomly redirected to random sites, who knows which ones, upon just visiting website, and not clicking on anything.

For anyone using this network, think twice or you might ruin your site & google rankings with it.

Contacted their support, they said something "everything is fine now, don't worry" LOL.

After I did some of research, I saw people years ago complaining about the same problem, and Adsterra still doesn't have a proper solution. Or maybe they don't want to find it, since they profit from such offers, I have no idea.
At least they could warn their publishers that this could happen, so that it doesn't do harm to their websites.