2015年2月10日星期二

How to Fully Remove JS/ClickJack From the System?



My browser has been hijacked by JS/ClickJack and I don’t know how to remove it. I usually set my favorite web page as default homepage as well as search engine. However, I cannot get rid of JS/ClickJack redirect virus in the same way this time. How can I solve the problem so that my browser can work normally again? Any help will be appreciated.

The general knowledge of JS/ClickJack Virus

JS/ClickJack redirect virus, also called JS/ClickJack browser hijacker, usually appears as a website with a search engine, enabling users to search webs, images and videos, etc. It is similar to Google. Its search box is in the center. You can use the toolbar to search things. However, the search results may be a little different from Google’s. Those irrelevant search results will redirect your browsers to some unknown websites that contain lots of advertisements. As a result, you may fail to find the expected helpful information directly. If you click on those search results, you will probably get other malware into your computer by visiting those trustless websites. It can allow other unknown Trojan or backdoor programs to insert system. For example, it exposes your browsing history to hackers and make your browser vulnerable to viruses. For instances, it has the ability to modify browser settings to reduce the browser security level. The personal files stored in your computer will also be stolen. And even worse, it has the ability to collect your personal files from hardware. The worst thing is that you won’t be able to open them! 

Generally, your computer may be invaded by this threat when you visit some insecure websites. Often it goes like this: a window pops up within the webpage, suggesting you to make this website as your default homepage. If you don’t like it, you can click Cancel to refuse the quest. After installation, they will start to change the system settings to create a better environment for more viruses to reproduce. Some redirect viruses can even infect your browsers without notice when you visit the websites that have been hacked. Some other malicious redirect virus can hijack your browser as long as you visit malicious website. Some strange and suspicious add-ons, plug-ins and extensions will appear in no time. Therefore, you should visit a website or open a file only when you are sure that it is safe. If your antivirus program cannot effectively clean up this redirect virus, then you can try the manual removal way to remove JS/ClickJack out of your computer. So be cautious when surfing online as many websites have unpredicted threats hidden. Don’t ignore it, it is far more strong than you can imagine.

How to manually remove JS/ClickJack step by step?

Step 1: Remove the JS/ClickJack redirect virus related programs.

1. Click Start menu and select Control Panel.
2. Click on Uninstall a program under the Programs category.
3. In the programs list find out any suspicious programs, and then click on the Uninstall.
4. Follow the wizard to accomplish the removal.

Step 2: Remove all unwanted extensions from the browsers.

Internet Explorer
1. Start the Internet Explorer, click on Tools, and select Manage Add-ons in the drop-down list.
2. Click on Toolbars and Extensions, find out and disable the add-ons related to JS/ClickJack redirect virus.

Mozilla Firefox
1. Run the Mozilla Firefox, click on Tools and choose Add-ons.
2. Click on Extensions, then select the unwanted add-ons in the list and click on Remove\Disable button.
3. Click Plugins, and remove\disable any unknown add-ons.
      
Google Chrome
1. Launch Google Chrome and click on the menu icon.
2. Click the Tools in the list then select Extensions.
3. Click on Extensions, then find out the JS/ClickJack redirect virus related add-ons and delete them.

Step 3: Remove all malicious files and registry entries.
1. In the local disk C, local the following folders:
%Temp%\
%Program Files%\
%UserProfile%\Desktop\
%UserProfile%\Start Menu\
%Document and Settings%\[UserName]\Application Data\
%UserProfile%\Application Data\Microsoft\Internet Explorer\Quick Launch\
2. In the above folders, find out and remove any malicious files.
3. Open the registry editor by following the steps: click Start menu, type “regedit” into the search box, and click “regedit.exe” from the results list.
4. In the registry editor, find out and delete any malicious registry entries from your PC.
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “[RANDOM].exe”
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run “[RANDOM].exe”
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run\Random.exe
  
Note: You should perform the manual removal only when you have certain levels of computer knowledge and skills, because you have to deal with processes, files and registry entries related to the redirect virus during the removal process, which may potentially cause some damage to your computer system. The manual removal of JS/ClickJack requires you to set files or folders’ view, eliminate the entire files associated with the virus, eradicate potentially unneeded registry files and repair registry files, re-set some basic configurations of the whole operating system to improve the security level. You may face the risk of errors or data loss caused by wrong removal of the files. The manual method may damage system files and registry settings if carelessly. If you are not sure you can remove the right one, resort to the automatic way. 

JS/ClickJack is so dangerous that it has the ability to totally corrupt the system and result in a complete system re-install if you need to use it. Even many famous antivirus programs couldn’t remove it safely and completely. Don’t hesitate to remove it from system or it will be too late. It may turn out to be a useless and even malicious program. The manual removal above is recommended for those advanced computer users. Before you take the removal steps, please consider it seriously. The instructions above are for the common infection situation. As for JS/ClickJack, it may cause various situations in different computers. You can search for a good quality product and use it to troubleshoot the problems. Please don’t look down on this virus because it can cause various unexpected troubles. The related files may have been modified. If you do have enough computer experience, you may not start the removal task yourself.

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