SecureMac is offering a free Trojan Detection Tool — DNSChanger Removal Tool. DNSChanger Removal Tool detects and removes latest spyware targeting Mac OS X. DNSChanger Trojan (also known as OSX.RSPlug.A Trojan Horse) attacks users attempting to play a fake video file. SecureMac’s DNSChanger Removal Tool allows users to check to see if the trojan has been installed on their computer. If it has, the software helps to identify and remove the offending file. After a system reboot, the users’ DNS records will be repaired.