Trojan.Flush.K

By ZulaZuza in Trojans

DNSChanger, a Trojan infection that is also detected as Trojan.Flush.K, has had a strong presence in the news for the last few months. This is because the Trojan.Flush.K Trojan carries the threat of causing thousands of people to lose access the Internet after July 9th. Basically, Trojan.Flush.K is a malware infection that is designed to change the DNS settings on the infected computer system. This changes how the infected computer system connects to the Internet and processes website IP addresses.

DNS Settings and the Trojan.Flush.K Trojan

DNS, which abides for Domain Name System, is an online service that is used in order to turn domain names (which are easy for human beings to read and remember) into IP addresses (which computers can then use to communicate over a network). When you type a domain name into your browser's address bar, a DNS server will first find out which IP address corresponds to that domain name. Then, once your computer has that IP address, it can connect to that website. This happens every time you enter a domain name into your web browser. DNS servers are part of a computer system's network configuration and are operated by your ISP.

The DNSChanger or Trojan.Flush.K Trojan is a malware infection that changes the infected computer's DNS settings, meaning that the criminals behind Trojan.Flush.K can trick an infected computer system into connecting to websites without that computer user's authorization. Basically, a computer system infected with Trojan.Flush.K will connect to a rogue DNS server rather than to the DNS server operated by your ISP.

What All the Fuss Surrounding Trojan.Flush.K is About

Since 2007, Trojan.Flush.K and its variants have been redirecting traffic to rogue DNS servers in order to generate illegitimate profits by directing computer users to attack websites or artificially generating advertising revenue. Fortunately, the criminals behind Trojan.Flush.K were apprehended by the FBI in 2011. After capturing them, the FBI set up legitimate DNS servers in place of the ones operated by the criminals. However, this was only a temporary measure to allow computer users to remove Trojan.Flush.K from their computer system. These temporary servers will be shut down on July 9th, 2012. If your computer system's DNS settings are still altered when this happens, your computer system will lose all Internet connectivity. According to malware researchers, at least 300,000 people are still infected with Trojan.Flush.K and visiting these temporary DNS servers. While an updated anti-malware product will remove Trojan.Flush.K, computer users will need to contact their ISP in order to restore their DNS settings to normal.

SpyHunter Detects & Remove Trojan.Flush.K

File System Details

Trojan.Flush.K may create the following file(s):
# File Name MD5 Detections
1. file.exe ba5285d7f99ed2e6340d09169c45b4a2 0
2. file.exe b72668b4a3853b0c3675b91511481b95 0

1 Comment

Brilliant post and useful information. I think this is what I read somewhere however I dont identify with your experience.

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