A BuzzFeed News investigation uncovered an ad fraud scheme involving more than 125 Android apps and websites, some were targeted at kids. It seems separate apps, companies and websites are connected to a network of front and shell companies in Cyprus, Malta, British Virgin Islands, Croatia, and Bulgaria. A person involved in the scheme estimates it has stolen hundreds of millions of dollars from brands whose ads were shown to bots instead of actual humans. BuzzFeed shared a full list of apps and websites, along with their developers, in a spreadsheet.