That Ad Blocker You Installed? #Malware.

This week, Threatpost reported Google removed two ad blocking browser extensions from the Chrome Web Store, AdBlock and uBlock. These two malicious browser extensions use names similar to legitimate ad blockers (AdBlock by getadblock,’s uBlock, and Raymond Hill’s uBlock Origin), but they employ the fraudulent practice of “cookie stuffing.” That is, they change the user’s cookie in a way that makes it look like the single user is multiple users clicking on the affiliate ad. At 1.6 million weekly users, this makes a substantial impact on the affected businesses. But how does this affect you? Continue reading “That Ad Blocker You Installed? #Malware.”