ZDNet India : Craving for 'clicks' bogs down search:

Hackers and mainstream Internet companies are beginning to take extreme measures to grab Web search "clicks"--sowing confusion for consumers and posing new challenges for search providers.

"Security consultants last week discovered a Trojan horse called QHosts that changed browser domain name system (DNS) settings to redirect visitors to Web sites, including Google.com, to an alternate search site laced with ads."