Malvertisers Poison Yahoo's Ad Network

Yahoo’s ad network suffered an attack that lasted for almost a week, Malwarebytes reported mid-day Monday. Malwarebytes earlier notified Yahoo of the attacks, which began July 28. Yahoo had stopped them by the time the report was published, Malwarebytes said. The attackers used the Angler Exploit Kit, described as highly sophisticated, to redirect visitors to ad sites on to two Microsoft Azure domains.
Although it did not collect the payload in this campaign, Malwarebytes said that Angler drops a mix of ad fraud and ransomware.

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