I just searched for Blender and I cannot reproduce this.
... but what I suspect happened is they got reports, took a few days to down the ad, the ad goes up under another URL, they get reports, take a few days to down the ad, etc. The malware vendors are tenacious and have a pretty much bottomless well of Turking for CAPTCHAs and backup accounts.
ETA: none of this to imply that Google shouldn't fix the problem or that they don't need to divert more resources to it (if for no other reason than it does actually threaten their bottom line if they can't get on top of it and people conclude it's not worth it to keep recommending Google search to naive users). But the problem's generally harder to fix than most people believe.
... but what I suspect happened is they got reports, took a few days to down the ad, the ad goes up under another URL, they get reports, take a few days to down the ad, etc. The malware vendors are tenacious and have a pretty much bottomless well of Turking for CAPTCHAs and backup accounts.
ETA: none of this to imply that Google shouldn't fix the problem or that they don't need to divert more resources to it (if for no other reason than it does actually threaten their bottom line if they can't get on top of it and people conclude it's not worth it to keep recommending Google search to naive users). But the problem's generally harder to fix than most people believe.