BitDefender nabs a new Trojan commandeering Host files to deliver third-party advertising instead of Google’s. Malware authors are beginning to nibble at Google’s text advertising money pie. According to a warning from anti-virus vendor BitDefender, a new Trojan is making the rounds, hijacking Google text advertisements and replacing them with ads from a different provider.

Source: http://www.spywareremovalnews.com/news/article-1444.html