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How to Uninstall Chromium Virus

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The chromium virus in the task manager.

Once you get infected by the Chromium virus, you will probably not notice any significant change until you start your Chrome browser. This is because the Chromium virus actually “becomes” your Google Chrome browser by replacing its shortcut with a fake one that seems like Google Chrome but is actually a shortcut for the Chromium virus. Once you start it, it would look and mostly behave like Google Chrome but there will be certain differences. For instance, random ads, pop-ups, and automatic redirects are likely to disturb your browsing. Also, the starting page, the new-tab page, and the default search engine of the browser would probably be different from the ones that used to be in your browser. In some cases, the search engine might seem like Google but actually, be a modified version of the Google search engine that is programmed to show you aggressive and unsafe ads in the search results or outright redirect you to unfamiliar pages whenever you perform an online search.

In addition, the Chromium virus is likely to gather different types of data from your computer and distribute it to third parties without your permission. Admittedly, most popular browsers, including the regular Google Chrome, do this as well. However, they try to be transparent regarding the types of data they collect, the third-parties they send it to, and the ways that data would be used. Also, the third-party partners of legitimate browsers that collect user data are also trusted advertisers that abide by the law. On the other hand, you won’t get any information about who your data is sold to by the Chromium virus or how it would be used. Unfortunately, there’s a very high chance that scammers, hackers, online crooks, and other cybercriminals may get their hands on your information after it has been transmitted to them by the Chromium virus.

Is Chromium a virus?

Chromium is not a virus – it is an open-source browser project which is basically the Alpha version of the Google Chrome browser. The idea of open-source software such as Chromium is that anyone could access its code and modify it to create new programs.

Many of the current most popular browsers (not counting Google Chrome) are based on Chromium. Those browsers include Opera, Vivaldi, Brave, and even Microsoft Edge. However, the fact that the Chromium code is freely available to anyone means that hackers and cybercriminals could also access it, modify it, and use it for their nefarious goals. This is how the Chromium viruses are created and it is also the reason why it is often rather difficult to find out what is wrong with a computer infected by a Chromium virus because most people wouldn’t suspect that anything based on Chromium would threaten their systems.

In addition, as we mentioned earlier, once the Chromium virus infiltrates your PC, it doesn’t make any significant changes that are immediately noticeable. It stealthily replaces the Google Chrome shortcuts with fake ones that open the virus so that people would be unknowingly using the modified Chromium browser (the Chromium virus) while surfing the Internet without realizing it. Of course, once you start the Chromium virus you will quickly notice that something’s not quite right – the changed browser settings and aggressive online promotions that weren’t there before will give away the presence of the virus but even then many people wouldn’t suspect that the whole browser that they are using at the moment is, in fact, a virus.

It is worth noting that the Chromium virus doesn’t always install as a standalone program. Sometimes, it may get integrated as an add-on with the Google Chrome browser that’s already in the system and simply change some of its settings to fit the goals of the hackers who have created it.

There are many different ways to catch a Chromium virus, including fake software update requests, low-quality free software bundles with the virus included in them, misleading web-ads and spam email links or attachments that automatically download the virus when you click on them, etc.

What is Chromium?

Chromium is an open-source software project that contains the original code for the Google Chrome browser. Chromium can be freely accessed and modified to create new browsers and browser components and it is the basis for popular browsers such as Microsoft Edge and Opera.

There isn’t a single “Chromium” browser or a stable version of it. Instead, many parties (but not Google) have created their own versions of a Chromium browser and made it publicly available for free. Most of those browsers are similar and function as simplified versions of the Google Chrome browser having fewer features and a more minimalist interface.

Due to the open-source nature of the Chromium project, some cybercriminals use it to develop malware and disguise it as the Google Chrome browser in order to trick users into downloading it and running it on their computers.

If you have a suspicion that you are dealing with a Chromium virus at the moment, it’s best if you directly begin completing the following guide once you are finished reading this article.


NameChromium ( a Virus injected in the Chromium)
Type Browser Hijacker/ PUP (takes the place of your browsers)
Danger LevelMedium or High
SymptomsPop-up ads, random opening of web pages, Chromium  taking the place of your browsers
Distribution MethodSpam e-mails, infected files, non-verified downloads
Detection Tool

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How to Uninstall Chromium

To get rid of Chromium, you can try to uninstall the Chromium browser/virus from your Control Panel. If deleting Chromium from the Control Panel makes the virus symptoms stop when you browse the Internet, you won’t have to complete the rest of the guide.

  1. From the Start Menu, click on Control Panel and then select Uninstall a Program.
  2. From the displayed list of programs, find and click on the Chromium icon (not Google Chrome!).
  3. Click on the Uninstall button and follow the on-screen uninstallation instructions.
  4. If you are asked if you want to keep your personalized settings, select No.
  5. Look for other suspicious programs in the list and uninstall them too.

Once you complete the uninstallation, restart the PC, go to your main browser and see if the virus symptoms are gone. If the Chromium virus continues to disrupt you, complete the rest of this guide carefully to remove everything related to the virus that may be left in your system.

Chromium Virus Uninstall Guide for Windows

This is a more detailed and expansive uninstall guide for Chromium. Follow the steps in the order they are shown and if you come across any difficulties or don’t understand something, be sure to leave us a comment outlying the problem and we will be sure to get back at you at the earliest opportunity.

Step 1.

The first step for most troubleshooting guides is always to enter Safe Mode on your computer. This is important because it only allows processes essential tot he system to start with Windows, leaving out any non-essential processes (some of which are likely linked to the problem). If you don’t know how to boot into Safe Mode, follow the provided link that will bring to a page where you can find out how.

Step 2. Find Unwanted Processes

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  1. Go to the Task Manager of your computer – you can open it by pressing together Ctrl + Shift + Esc on your keyboard.
  2. Select Processes and try to find the process run by the Chromium virus (it might go under a different name).
    • If you don’t see a process named “Chromium”, seek other processes that have unfamiliar names and that are using up significant amounts of computer resources – RAM memory and processing power (CPU).
    • If you see a resource-intensive process that doesn’t seem to correspond to any of the programs running on your PC at the moment, there’s a high chance that said process is from the virus.
  3. Look up the name of the suspected process to make sure that it isn’t a regular system process that you aren’t supposed to quit.
  4. If the suspected process is not from your system, right-click on it and select the Open File Location option.
  5. Scan the files in the File Location folder with the following free online scanner:
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      • If you want, you can also use a security tool of your own for the scans.
    • If even a single file gets flagged as malware, right0click on the suspected process again and select End Process Tree.
    • Then go back to the file location folder and delete it with all the files that are in it.
    • If you see an error message when deleting the folder because a file(s) in it cannot be deleted, open the folder and delete the other files.
    • After everything else from this guide is completed, try to delete the file location folder again.

    Step 3. Remove Chromium Virus From Start-Up Locations

    1. Type System Configuration under the Start Menu and click on the first item.
    2. Open Startup and remove the ticks from all startup items that are unfamiliar and may be linked to Chromium.
    3. If there are items with unknown manufacturers, uncheck them too unless you recognize them and know they are trusted.
    4. Click on OK once you are finished and proceed to Step 4.

    Step 4. Hosts file

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    1. Copy this “notepad %windir%/system32/Drivers/etc/hosts“, place it in the search field under the Start Menu and open the file that shows in the results.
    2. In the notepad file that opens, the last line of text should be LocalHost – if there’s anything written below it, copy it and place it in the comments.
    3. After we look at the text you’ve sent us, we will tell you if the lines below LocalHost are from the virus. If they are, you must delete them from the Hosts file.
    4. After you delete what’s below Localhost, save the file by clicking on File > Save.

    Step 5. Check DNS settings

    1. Press the Winkey to open your Start Menu and type Network Connections.
    2. Press Enter to open the first result.
    3. When the folder with your different network connections shows up, right-click on the one that’s currently in use and select Properties.
    4. Click on Internet Protocol Version 4 (ICP/IP) from the list of items and then click on Properties.
    5. Check the Obtain DNS server addresses automatically if the option isn’t currently enabled.
    6. Go to Advanced > the DNS tab and delete all servers listed there by selecting them and clicking on Remove.
    7. Click OK on everything to save the changes and exit the DNS settings.


    Step 6. Remove Chromium Virus From All Browsers

    If any of your browsers have been affected by the Chromium Virus and have had changes made to them without your permission, you must complete this last step to ensure that there is nothing left on the computer related to the unwanted software.

    First, go to the affected browser(s) icon, right-click on it, and go to Properties.


    From the Properties window, select the Shortcut tab and delete everything that is written in the Target field after “.exe“. Click on Ok to save the changes and then open the browser itself.


    This next part of the current step slightly varies for each specific browser so we will show you how to complete it for some of the most commonly-used browsing programs.

    Delete Chromium Virus from Internet Explorer and Edge

    1. Once you are in Internet Explorer, select the Gear icon and then select Manage Add-ons.
    2. Delete any add-on from the browser that seems connected to the Chromium virus.
    3. Select Internet Options from the main browser menu.
    4. If the homepage URL has been replaced by the Chromium virus, delete that homepage address and type another one from a trusted and reliable site (such as
    5. Click on Apply so that the changes could take place and exit the browser.

    Delete Chromium Virus from Firefox

    1. In Firefox, select the three vertical lines in the top-right corner and go to Add-ons.
    2. In the Add-ons page, look for items that you think may be linked to the virus and uninstall them. Do not be afraid to remove all add-ons if you are uncertain which one is not supposed to be there – you can always reinstall the safe ones at a later time.
    3. Go to Options from the browser menu, type Clear in the Options search box, and select Clear Data.
    4. Make sure that the two checkboxes are ticked and click on Clear.

    Delete Chromium Virus from Chrome

    1. Start Chrome, click on the icon with the three dots (upper-right corner) and go to More Tools > Extensions.
    2. Do the same think like with the two previous browsers removing any extensions that may be linked to the Chromium virus.
    3. If an extension refuses to get uninstalled, click on the toggle button below it to disable that extension and then select Remove immediately after.
    4. Go to the following folder on your computer: Computer\C:\Users\*User Account Folder\App Data\Local\Google\Chrome\User Data.
      • If you cannot find the App Data folder, it is likely hidden and you need to make the hidden files and folders on your computer become visible. Follow this link to find out how you can do that.
    5. Rename the folder titled Default to Backup Default and then restart your PC.


    How to Delete Chromium?

    This final step from the guide will require you to go to the Registry of your computer and make changes to it by deleting items that are connected to the Chromium virus. Since many sensitive and important system and software settings are in the Registry, you should be really careful not to delete the wrong thing. That is why, in case of doubt, you should always first request our assistance through the comments section, telling us about the Registry item(s) you are unsure about. Only once (if) we confirm that the item(s) in question are to be deleted should you proceed to remove them from the Registry.

    1. Press the Windows key and the key from the keyboard to open Run.
    2. Type regedit and hit the Enter key to start the Registry Editor.
    3. Click on Yes when Windows asks for your Admin permission.
    4. Go to the Edit menu in the Registry Editor and select Find.
    5. Type Chromium in the search box and click on Find Next (the search may take a while, be patient).
    6. Select the item that gets found, press Del, and confirm the command by clicking on Yes.
    7. Repeat mini-step 5 and until there aren’t any more entries named Chromium in the Registry.
    8. Go to the following directories in the left panel of the Registry Editor:
      • HKEY_CURRENT_USER/Software/
      • HKEY_CURRENT_USER/Software/Microsoft/Windows/CurrentVersion/Run/ 
      • HKEY_CURRENT_USER/Software/Microsoft/Internet Explorer/Main/
    9. If you find any suspicious-looking folders in them that have unusually long names and/or names that seem to consist of randomized letters and numbers, delete those folders too.
      • It is very important to not delete anything unless you are certain it is from the virus. If you are unsure about whether you should delete a given item, ask us about it in the comments before you proceed with the deletion!

    Final Notes

    In case the completion of the manual steps from this guide didn’t resolve your problem with the Chromium virus, we suggest you try out the powerful anti-malware tool that you can find posted above. It will quickly detect the remaining malware data and delete it for you. In addition, this security app can keep your system protected against many other types of viruses and malware, adding an extra layer of protection to your PC.

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