Three times as bad as malware: Google shines light on pay-per-install • The Register: "As some point you have probably downloaded a "free" piece of software only to find it has come with a whole host of other unwanted friends that go on to redirect your browser search bar or inject ads where there weren't any before.

This is the world of pay-per-install (PPI) and Google, along with New York University and the International Computer Science Institute, spent a year digging into the little-understood market, publishing their results in a paper [PDF] this week."

Labels: malware, pay per install