First delete it. Then tell us what version of OS X you are running plus what Mac you are using! Plus download the program DNSChanger Removal Tool and run it to see if you got this. Next if you are Lion run the Software Update to get the latest protection to the latest Trojan. Do all this to be safe.
Originally Posted by Nick Naym
Then go to the web site OpenDNS and use this free service. This instructional video will show you how to control your DNS to block known Trojan hosting sites as well as others.
I have been using this service for over three years and it is very fast and I block known bad sites. It is a very reliable service and it lets you control your own DNS very easily. You will really like this service since the have servers all over the western world and the Indian Ocean countries covered.
Mac Pro Dual 2.8 Quad (2nd gen), 14G Ram, Two DVD-RW Drives, OS X 10.9
2006 Mac Book Pro 2.16 (first Gen) OS X 10.7.5
2TB Time Capsule, 2 TB
32G iPhone 4S Black, iPad (3rd Gen) 32G Black