Intego warns of a trojan horse Named “OSX.RSPlugin”, that infects Macs and it is in the wild. While it is thought to be introduced by clicking to watch a porn site’s video, it can be modified to come from any malicious Web site in a similar fashion.
The trojan horse is a form of DNSChanger, it changes your computer’s DNS server to go to sites selected by the attacker, via the scutil command, The malicious DNS server your redirects your normal IP address to maybe phishing sites such as Ebay and PayPal, and not what is typed into your Web browser’s address field.
How does it get installed? If you click on a supposed movie link, you are redirected to a web page displaying:
QuickTime Player is unable to play movie file.
Please click here to download new version of codec.
From here on everything seems normal, after the new page loads, a disk image automatically downloads and it is does not auto mount, you likely will open it yourself. The new QuickTime codec will then be installed by double-clicking. It is now too late
It also has a cron file that runs every so often to reinstate the bogus DNS addresses should they be found and changed. Going to a financial-related Web site could lead to disaster. More …