See if you might have this malware redirecting DNS queries...
How to fix...
Known DNSChanger address ranges. Source: dcwg.org
ClamXAV, free Virus scanner...
Flashback - Detect and remove the uprising Mac OS X Trojan...
In order to avoid detection, the installer will first look for the presence of some antivirus tools and other utilities that might be present on a power user's system, which according to F-Secure include the following:
If these tools are found, then the malware deletes itself in an attempt to prevent detection by those who have the means and capability to do so. Many malware programs use this behavior, as was seen in others such as the Tsunami malware bot.
The most current flashback removal instructions are F-Secure's Trojan-Downloader:OSX/Flashback.K.
More bad news...
Removal for 10.5...
This site comes up-how to remove it and why is this happening?
Meanwhile take a look at http://www.dcwg.org/.
Also, you should upgrade to OS X 10.6.8 if at all possible. If you have a MobileMe account you can get it free by logging onto http://www.me.com/snow-leopard/.
Message was edited by: MadMacs0