CefSharp.BrowserSubprocess Virus

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The cefsharp.browsersubprocess.exe executable file enables developers to integrate the Chromium web browser into C# or VB.Net programs using the Chromium Executable Framework (CEF). Typically, CefSharp.BrowserSubprocess is secure, but malicious actors can exploit it to camouflage malware, prompting many users to opt for its removal from their personal computers.

Screnshot of the CefSharp.BrowserSubprocess virus

The Trojans infections are some of the most hazardous viruses that any given computer could get attacked by. One of the latest versions of this sort of malware is called CefSharp.BrowserSubprocess Malware, and we have received countless complaints from web users who have fallen victim to it. The main thing the infected users want is a solution to remove the threat, so they can continue using their computers like before.

And that’s exactly what we’re aiming to do with this article, and the following removal guide. Below, you will find detailed instructions, with the assistance of which you can locate, and safely remove all the files related to this dangerous Trojan Horse. But before you make use of the instructions, we suggest that you spend a few more minutes on this article, and learn more about what CefSharp.BrowserSubprocess Malware really is, and what dangers it might expose you to. We will also give you some tips that may assist you with avoiding such infections in the future.

The CefSharp.BrowserSubprocess Virus

Hackers can disguise viruses like CefSharp.BrowserSubprocess by utilizing files with similar names. One approach to determine if such a file is a virus is by examining the location of the CefSharp.BrowserSubprocess file.

Malicious software, such as viruses and trojans, often have a similar name and tend to reside in unconventional directories. Therefore, the file’s location serves as a reliable indicator of its legitimacy. If the location is C:\Windows\System32, the test is considered passed.


Detection Tool

Please follow all the steps below in order to remove CefSharp.BrowserSubprocess!

How to remove CefSharp.BrowserSubprocess

  1. First, click the Start Menu on your Windows PC.
  2. Type Programs and Settings in the Start Menu, click the first item, and find CefSharp.BrowserSubprocess in the programs list that would show up.
  3. Select CefSharp.BrowserSubprocess from the list and click on Uninstall.
  4. Follow the steps in the removal wizard.

If you have a Mac virus, please use our How to remove Ads on Mac guide.

If you have an Android virus, please use our Android Malware Removal guide.

If you have an iPhone virus, please use our iPhone Virus Removal guide.

What we suggest you do first is, check the list of programs that are presently installed on the infected device and uninstall any rogue software that you find there:

  • From the Start Menu, navigate to Control Panel ->>> Programs and Features ->>> Uninstall a Program.
  • Next, carefully search for unfamiliar programs or programs that have been installed recently and could be related to CefSharp.BrowserSubprocess.
  • If you find any of the programs suspicious then uninstall them if they turn out to be linked to CefSharp.BrowserSubprocess.
  • If a notification appears on your screen when you try to uninstall a specific questionable program prompting you to just alter it or repair it, make sure you choose NO and complete the steps from the removal wizard.

Remove CefSharp.BrowserSubprocess from Chrome

  1. Click on the three dots in the right upper corner
  2. Go to more tools
  3. Now select extensions
  4. Remove the CefSharp.BrowserSubprocess extension
  • Once you open Chrome, click on the three-dots icon to open the browser’s menu, go to More Tools/ More Options, and then to Extensions.
  • Again, find the items on that page that could be linked to CefSharp.BrowserSubprocess and/or that might be causing problems in the browser and delete them.
  • Afterwards, go to this folder: Computer > C: > Users > *Your User Account* > App Data > Local > Google > Chrome > User Data. In there, you will find a folder named Default – you should change its name to Backup Default and restart the PC.
  • Note that the App Data folder is normally hidden so you’d have to first make the hidden files and folders on your PC visible before you can access it.

How to get rid of CefSharp.BrowserSubprocess on FF/Edge/etc.

  1. Open the browser and select the menu icon.
  2. From the menu, click on the Add-ons button.
  3. Look for the CefSharp.BrowserSubprocess extension
  4. Get rid of CefSharp.BrowserSubprocess by removing it from extensions

If using Firefox:

  • Open Firefox
  • Select the three parallel lines menu and go to Add-ons.
  • Find the unwanted add-on and delete it from the browser – if there is more than one unwanted extension, remove all of them.
  • Go to the browser menu again, select Options, and then click on Home from the sidebar to the left.
  • Check the current addresses for the browser’s homepage and new-tab page and change them if they are currently set to address(es) you don’t know or trust.

If using MS Edge/IE:

  • Start Edge
  • Select the browser menu and go to Extensions.
  • Find and uninstall any Edge extensions that look undesirable and unwanted.
  • Select Settings from the browser menu and click on Appearance.
  • Check the new-tab page address of the browser and if it has been modified by “CefSharp.BrowserSubprocess” or another unwanted app, change it to an address that you’d want to be the browser’s new-tab page.

How to Delete CefSharp.BrowserSubprocess

  1. Open task manager
  2. Look for the CefSharp.BrowserSubprocess process
  3. Select it and click on End task
  4. Open the file location to delete CefSharp.BrowserSubprocess
  • Access the Task Manager by pressing together the Ctrl + Alt + Del keys and then selecting Task Manager.
  • Open Processes and there try to find a process with the name of the unwanted software. If you find it, select it with the right button of the mouse and click on the Open File Location option.
  • If you don’t see a “CefSharp.BrowserSubprocess” process in the Task Manager, look for another suspicious process with an unusual name. It is likely that the unwanted process would be using lots of RAM and CPU so pay attention to the number of resources each process is using.
  • Tip: If you think you have singled out the unwanted process but are not sure, it’s always a good idea to search for information about it on the Internet – this should give you a general idea if the process is a legitimate one from a regular program or from your OS or if it is indeed likely linked to the adware.
  • If you find another suspicious process, open its File Location too.
  • Once in the File Location folder for the suspicious process, start testing all of the files that are stored there by dragging them to our free online scanner available below.
  • Each file will be scanned with up to 64 antivirus programs to ensure maximum accuracy
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    • If the scanner finds malware in any of the files, return to the Processes tab in the Task Manager, select the suspected process, and then select the End Process option to quit it.
    • Go back to the folder where the files of that process are located and delete all of the files that you are allowed to delete. If all files get deleted normally, exit the folder and delete that folder too. If one or more of the files showed an error message when you tried to delete them, leave them for now and return to try to delete them again once you’ve completed the rest of the guide.

    How to Uninstall CefSharp.BrowserSubprocess

    1. Click on the home button
    2. Search for Startup Apps
    3. Look for CefSharp.BrowserSubprocess in there
    4. Uninstall CefSharp.BrowserSubprocess from Startup Apps by turning it off
    • Now you need to carefully search for and uninstall any CefSharp.BrowserSubprocess-related entries from the Registry. The easiest way to do this is to open the Registry Editor app (type Regedit in the windows search field and press Enter) and then open a Find dialog (CTRL+F key combination) where you have to type the name of the threat. 
    • Perform a search by clicking on the Find Next button and delete any detected results. Do this as many times as needed until no more results are found. 
    • After that, to ensure that there are no remaining entries lined to CefSharp.BrowserSubprocess in the Registry, go manually to the following directories and delete them:
    • HKEY_CURRENT_USER/Software/Random Directory. 
    • HKEY_CURRENT_USER/Software/Microsoft/Windows/CurrentVersion/Run/Random
    • HKEY_CURRENT_USER/Software/Microsoft/Internet Explorer/Main/Random

    What is the CefSharp.BrowserSubprocess virus?

    Trojans like The CefSharp.BrowserSubprocess virus, Altruistics and Pinaview are not only among the most hazardous, but also among the most common forms of computer malware. In reality, more than 70 percent of the malware infections occurring on the internet today are caused by Trojan Horse viruses. First of all, these viruses are very good at staying hidden, which means they can sneak into your system, and remain there unnoticed for a very long time. It may be weeks, or even months before you realize there might be something wrong with your system, depending on the specific activities of the malware. And the second thing that makes viruses such as The CefSharp.BrowserSubprocess virus so feared is that they are very versatile. They are capable of performing a wide variety of criminal deeds, making them a metaphorical Swiss-army knife of the computer malware. That’s also what makes it so hard to understand precisely what you might be up against when you find a Trojan like The CefSharp.BrowserSubprocess virus on your computer.
    Due to what’s just been said, we can’t tell you precisely what this malware might be after. For instance, some Trojans are often used to steal sensitive private data. The hackers behind them may want to get their hands on some personal information, and the Trojan virus can be programmed to search for a particular sort of data or files Alternatively, they may want to access sensitive information, such as your passwords, and login credentials, or bank account details, and credit or debit card numbers.

    Is the CefSharp.BrowserSubprocess virus dangerous?

    Another use of the Trojans is for destruction. System damage can be performed by this malware on a big scale, targeting the entire OS, or only certain types of information, or files stored on it.
    In some cases, the hackers can program a threat like CefSharp.BrowserSubprocess Malware to deliver other malware to your PC, namely Ransomware or Spyware, which may result in further damage for you, and your information.
    So now that you see how terribly horrifying a Trojan Horse can be, it’s essential that you remove CefSharp.BrowserSubprocess immediately. If you have never dealt with such a threat before, we suggest you carefully follow the instructions in the removal guide above, and use the professional CefSharp.BrowserSubprocess removal tool to scan the entire system.
    After deleting the threat, you’ll need to update your system, and all the programs on it. Outdated software can often become a gateway for malware, which is why keeping your system and programs updated to the latest security patches, and investing in a reliable anti-malware program will definitely go a long way in defending your PC against malicious software.


    About the author


    Lidia Howler

    Lidia is a web content creator with years of experience in the cyber-security sector. She helps readers with articles on malware removal and online security. Her strive for simplicity and well-researched information provides users with easy-to-follow It-related tips and step-by-step tutorials.

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