A Trojan horse program is <A HREF="http://www.eweek.com/article2/0,1759,1907140,00.asp?kc=EWRSS03119TX1K0000594">churning out bogus Google ads</A> promoting products Google eschews--gambling, cheap Viagra, girlie photos and adult dating. The ads, being targeted at small publishers, are identical to Google AdSense ads except that referral graphic buttons are being converted to text, apparently due to a bug in the Trojan, according to the publisher who reportedly discovered the Trojan.