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. Trojan DNSChanger is as simple as changing DNS settings – no complication and no destructive behavior. These are simple scripts that are widely available online, built into mac installer and deployed to several existing fake codec domains. That was the year the trojan first surfaced, according to PC World. The malware, which can infect both Windows and Mac computers, essentially creates a botnet by changing how the machine accessed DNS. ![]() Quicktime Player is unable to play movie file. Please click here to download new version of codec. Upon running the installer, the user’s DNS records are modified, redirecting incoming internet traffic through the attacker’s servers, where it can be hijacked and injected with malicious websites and pornographic advertisements. The trojan also installs a watchdog process that ensures the victim’s DNS records stay modified on a minute-by-minute basis. 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. Several users have noticed that their web browsing has become exceptionally slow, especially when compared to other computers on the same network which seem to browse at normal speeds. Apple Discussions poster writes: 'My Internet used to work fine on my mac, until today. Vibosoft easy memory card data recovery for mac. I don't know what it is. I used to run both connections (to mac/pc) via D-Link DI-524 and the connection worked fine. Today my PC-Internet was working fabulous, but at the same time my mac was struggling. It took a very long time to connect even to apple.com 1-2minutes. Some sites it couldn't even load. I took the d-link router away and connected the mac straightly to my wlan-modem/ethernet box, but the problem stayed.' In addition, for some users with BootCamp or Virtualization solutions installed it seems browsing in Windows appears to be normal, which indicates something is wrong with Mac OS X. While some users had recently installed the Mac OS X 10.5.5 update, others started experiencing the problem a week or so after applying the update. Users have tried repairing permissions, resetting the computer's PRAM, resetting Safari, and other options such as booting into Safe Mode, but nothing seems to have worked. This problem is a DNS issue, and for some users it could be caused by a known trojan horse malware package called 'DNSChanger' (also known as 'OSX.RSPlug'). This trojan alters the DNS settings of the active network connection, and keeps reverting them even if users change them manually. This trojan is likely picked up from users attempting to play certain quicktime movies which claim the user needs to install a codec to watch the film.
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