4yendex Removal (Chrome/Firefox)

In this article we are going to try and help you remove 4yendex. Our instructions cover all Windows versions as well as most browsers – Chrome, Firefox, Internet Explorer etc.

The type of software that is discussed in the paragraphs below is known as browser hijackers. The particular program of this type that might have infected your computer is 4yendex – a hijacker that is likely to change the default search engine of whatever browser you use (Chrome / Firefox), set your browser to begin redirecting you to unknown web addresses and begin generating a substantial number of online advertisements (pop-ups / tabs / boxes and others). All this happens without your informed or knowing consent. Below you will find additional important details about the infection of this kind, as well as a tested removal guide that will help you successfully uninstall the invasive program.

Are browser hijackers identified as viruses?

None of the existing browser hijackers nowadays have been classified as malicious. Malware is normally characterized by its intrusive and criminal behavior once installed on your machine, including using your banking and account credentials in order to steal something from you; locking up some important data (as a typical virus of the Ransomware family would do); or even watching you remotely via your own webcam. No such things could be performed by any browser hijacker so you are not facing a virus when we are talking about an 4yendex-provoked contamination.

Why could 4yendex be behaving in such an irritating way?

The way hijackers usually act is connected with the way they get spread on the Internet. The typical method of distributing such ad-producing programs is via bundles. A bundle is any amalgamation of diverse software versions, which usually contains a piece of ad-generating software, either a hijacker or Adware and other authentic programs like new games and interesting tools. Such mixtures are often distributed for free and any user can download them and install them because they have found such a bundle may contain really useful or fascinating products and it costs no money. And most 4yendex-caused infections in fact happen in a similar way. We have reached the point where we are going to explain why such bundles and ad-broadcasting software exist in general. First of all, most users are willing to download software for free and test it. Developers want their newly-created products popularized and tested by the public so that they put them in such combos. They also put programs like 4yendex there because they still need to gain something from such bundles apart from popularizing their own software. And by putting ad-displaying programs inside and coming up with a way to trick the users into installing the whole content of a given bundle, they become employed and paid by the marketing industry, as every single pop-up could generate big profits for the people who are interested in promoting products and services. In short, this is why such software gets created and distributed, and infects so many machines on a daily basis.

How do we install 4yendex without noticing?

To be precise, just the download of any bundle will not infect your PC with a browser hijacker or an Adware-type product. However, the improper installation manners will certainly grant you with a kind of infection.  When it comes to bundles, users may easily forget that they contain more than one program and may decide to install them in the Default way, thus incorporating all the software from the bundle into their computers. Really, this is not a good idea, as such a method of installing new programs may cause even malware infections. To be safe, a user should always use the feature of the installation wizard that allows them to perform a detailed and careful installation process and to be given the opportunity to reject any programs from any bundles that are not really useful or appear suspicious. This feature is either named Advanced, or Custom.

How do we “cure” a PC contaminated with 4yendex?

Depending on your case, you might be able to remove most hijackers, and 4yendex as well, in a quick and not complicated way. You can always try to do that by following the removal steps down in our Uninstallation Guide. They contain all the necessary instructions and should be what you need to clean your machine from 4yendex. Still, be cautious, as in some specific cases, the situation of your computer might need some more sophisticated help. Such cases are very rare, though.

4yendex Removal

Many types of malware will restrict your access to their core files. It is highly recommended that you reboot your PC in safe mode before attempting to use this guide.

  • To enable Safe Mode reboot you PC, then hit F8 repeatedly. When the corresponding menu opens please select Safe Mode with Networking.

WARNING! If you are using Windows 8,0 or later and/or your operating system is installed on a fast SSD drive this may fail to work. In this case click here to see how to start your PC in Safe Mode.

#1: Uninstall the malicious program from your control panel

Enter control panel to look for any suspicious programs, which may have installed on your PC. To do that:

  1. Navigate to your Desktop
  2. Press simultaneously the Win button together with the R button (Win+R)
  3. In the Run window that just opened type appwiz.cpl

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  1. Go through the list of programs and find 4yendex or anything else that may seem suspicious. Right-click on it and choose the uninstallation option

WARNING! Carefully read any confirmation messages that may be created in the process. Sometimes you may get offers to download more Adware applications and this can be linked to either the Yes or the No answer depending on the wording!

  • Optional:

Go through the list of programs again and check online for any potentially unwanted programs. We have an article that covers this awesome free software that makes sure that your computer is free from bloatware and programs that you don’t need.

#2: Remove 4yendex From Chrome

Now we’ll remove the extensions that the malware has attached to your browser.

  1. Open your Google Chrome browser.
  2. Type chrome://extensions/  in the URL address bar and press Enter.
  3. Click on “Developer Mode” on the top right and look for the extension installed by 4yendex and anything that might be related to it. Copy their IDs (the string of letters), then remove them by clicking on the trash bin icon.

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  1. Type Regedit in the Windows Start Menu and press Enter. Go in : HKEY_LOCAL_MACHINE\SOFTWARE\Google\Chrome\Extensions and delete the entries corresponding to the suspicious IDs you recorded.

#3: Remove 4yendex From Firefox

  1. Open Mozilla Firefox browser.
  2. Type “about:support” in the URL address bar and press Enter.
  3. Click on the “Refresh Firefox” button on the right and confirm.

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#4 Remove 4yendex From Internet Explorer

  1. Open your Internet Explorer internet browser.
  2. Click on the Gear icon on the up right, then on manage add-ons.
  3. Go through the list disable any suspicious extensions.

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#5 Remove any leftover parasitic processes

From the task manager:

  1. Use Ctrl + Shift + Esc and open the Task manager, then click on the Processes
  2. Go through the list of processes and look for unknown or otherwise suspicious entries.
  3. If you see anything suspicious right click on the process and shoes Open File Location, then terminate the process and delete any files you find in the directory.

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WARNING! If the directory you open from this menu has no files inside of it it’s probably because the malware has hidden them. You need to reveal hidden files and folders in order to be able to see them. Click here if you don’t know how to do that.


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From the start menu:

  1. Press simultaneously the Win button together with the R button (Win+R)
  2. In the Run window that just opened type msconfig
  3. Click on the Startup tab.

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This menu controls which programs are loaded when windows starts after a reboot. Disable anything that seems suspicious. Optionally you can also disable any program that you don’t need and also has a high impact on your startup time.

Feel free to write to us in the comment section with any questions that you may have. Also if we have been helpful to you please share this article to help us reach more people like you.  

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