The overall click fraud rate in Q4 2010 was 19.1 percent which was lower than the Q3 2010 all-time high of 22.3 percent, but higher than the 15.3 percent rate for Q4 2009, according to the latest report from Click Forensics. Click Forensics Malware Lab identified a new malware scheme targeting display banner ads. The program performs a pop-up or pop-under and rotates brand advertisers’ banner ads every 10-15 min in an effort to boost impression figures.