Google Finds Hijacking, Ad Injection Remain Major Problems

Google researchers worked with experts at New York University (NYU) to analyze deceptive installation practices of unwanted ad injectors that insert ads into Web pages, and browser setting hijackers that change search settings without the content of the user.

The one-year study by Google and NYU Tandon School of Engineering of affiliate networks running pay-per-install programs (PPI) found that nearly 60% of offers bundled with these programs are flagged as unwanted, and that in aggregate drove 60 million weekly download attempts with tens of millions of installs detected in the last year. These sites can run ad injectors.

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