Well, perhaps not; I simply don't know, but someone will...
From the latest Malwarebytes newsletter:
Crooks use Google ad network for ransomeware attack
Last week the Malwarebytes research team uncovered a large-scale malvertising attack involving Google's DoubleClick and Zedo that affected many high-profile sites. Unfortunately, another incident where DoubleClick is part of the the advertising chain has happened again. Upon our discovery we immediately notified Google so they could shut this down.
FWIW
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