Browser hijacker is the kind of malware that hijacks the Computer Browser. According to the name it hijacks the browser like Firefox, Internet Explorer, Opera mini, Google Chrome etc. this kind of malware is very dangerous for the computer system because it downloads itself automatically with any malicious data or any freeware that is downloaded from any malicious site or hacked site. After downloading it install automatically on to the computer system without the knowledge of the user. It will add itself with the default browser of the computer and execute automatically when user runs the browser.

Browser hijacker can change the all the default setting of the computer browser and the computer of the system. It will also change the DNS setting of the computer. This malware change the home screen of the computer; change the default search engine to any other search engine. It always pop up ads on the screen of the browser, it earn money for the hackers through the commercial ads on the browser screen. This malware decreases the PC performance and also slowdown the speed of the Internet connection. This malware can also record the internet activity of the user and sends the data on the server. It is very harmful malware for the computer and the user of the computer because it shares all the confidential data of the user.