Secure-D uncovers non-human clicks and subscriptions originating from the popular Snaptube Android app.The Snaptube app features the same piece of developer software code, Mango SDK, that was at the center of the Vidmate expose earlier this year – when another popular video app from a Chinese developer was found to be committing mass scale advertising and subscription fraud.

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A top-rated Android app for file sharing and storage, 4shared, hides suspicious background activity. 4shared has been delivering bogus ads to user devices that generate fake views, clicks and purchases; then reports falsified engagement metrics back to advertising networks. The ads are never seen by users and don’t actually appear on screen.

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