Digital ad company Confiant, which claims to “improve the digital marketing experience” for online advertisers by knowing about and getting rid of malicious and unwanted ads, has just published an analysis of a malvertising group it calls ScamClub. According to Confiant, this group is behind a massive number of those annoying and scammy popups campaigns you will almost certainly have seen, where you visit an apparently honest web page and then get pestered with an online survey.

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