How to Remove Proxycheck.exe (Win.Proxycheck) Virus

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Proxycheck.exe looks like an important process. Yet, it is not. Unfortunately, we must confirm your fears. Your computer is infected. The good news is that you are not dealing with a full-fledged virus, but with a malicious application. You have the Proxycheck.exe adware on board. This parasite is a nasty ad-generating app. It enters your computer in complete silence and takes over your web browsers. Once successfully installed, the adware scans your computer for installed browsers. Mozilla Firefox, Google Chrome, Microsoft Edge. There is no immune browser. The adware adds its malicious extension to them and then initiates an ad-bombardment on you. This little parasite causes a giant mess. It injects various advertisements on every website you visit. Banners, sliding panels, hyperlinks, in-text ads, etc. It can even pause your videos for commercial breaks. Every time you as much as touch your favorite browser, numerous pop-ups cover your screen. If you don’t take measures, the adware will ruin your browsing experience. You cannot get used to ads, neither can you ignore them. With the time passing, the Proxycheck.exe adware gets more and more aggressive. It will drown you in a sea of advertisements. Your computer will start to underperform. Your browser, it will freeze and crash frequently. You won’t be able to get any work done. Spare yourself that torture. The adware is removable. If you act promptly, you can delete this parasite with ease. We have provided a manual removal guide below this article. If you prefer automated solutions, you can always download a trustworthy anti-malware program. You have options. Choose your removal method and act! The sooner, the better!

Remove Proxycheck.exe

How did I get infected with?

As sophisticated as the Proxycheck.exe adware may look, it still uses the classic strategies to reach its victims. Torrents, spam email attachments, and fake software updates. You know them. Yet one distribution technique stands above all others. The software bundling technique is the number one cause of adware infections. The scheme is quite simple. Developers attach extra programs to the installation files of many free apps. If you rush through the setup, you may install the extras unintentionally. Therefore, pay close attention to the fine print. If available, always select the Advanced setup option. Under it, you will be presented with a list of all extra apps that are about to be installed. You can deselect all extras and still install the app you originally planned to set up. If you select the Standard/Fast installation, on the other hand, all these extras will be installed automatically. Your explicit approval won’t be needed. So, you won’t be asked. This is your computer, you are in charge of what is being installed on it. Don’t let others make this decision for you. Don’t let programs like the Proxycheck.exe adware on board ever again!

Why is this dangerous?

The Proxycheck.exe adware is not just extremely annoying. It is also quite dangerous. The parasite uses aggressive and misleading marketing strategies to turn you from a visitor into a customer. To adapt its marketing campaigns, the adware actually spies on you. It monitors your browsing-related data. Which websites you visit, what search inquiries you make, what videos you watch. There is nothing private any longer. The adware knows everything. On paper, it uses this information to select appealing ads. In practice, however, it sells access to the data. Anyone who uses the adware as an advertising platform can access and use the data to target you with customized marketing campaigns. It may sound farfetched, yet, a capable marketing agent can use such information to lure you into impulsive actions. As the adware doesn’t have a verifying mechanism, you getting exposed to deceptive ads is an inevitable occurrence. All sorts of crooks use the Proxycheck.exe adware to spread corrupted content. These people will not hesitate to redirect you to fake web stores and scam websites. If you are extremely unlucky, you may even end up on an infected website. The adware is a breach of your security. Remove it before it causes serious problems.

How to Remove Proxycheck.exe virus

The Proxycheck.exe infection is specifically designed to make money to its creators one way or another. The specialists from various antivirus companies like Bitdefender, Kaspersky, Norton, Avast, ESET, etc. advise that there is no harmless virus.

If you perform exactly the steps below you should be able to remove the Proxycheck.exe infection. Please, follow the procedures in the exact order. Please, consider to print this guide or have another computer at your disposal. You will NOT need any USB sticks or CDs.

STEP 1: Track down Proxycheck.exe in the computer memory

STEP 2: Locate Proxycheck.exe startup location

STEP 3: Delete Proxycheck.exe traces from Chrome, Firefox and Internet Explorer

STEP 4: Undo the damage done by the virus

STEP 1: Track down Proxycheck.exe in the computer memory

  • Open your Task Manager by pressing CTRL+SHIFT+ESC keys simultaneously
  • Carefully review all processes and stop the suspicious ones.


  • Write down the file location for later reference.

Step 2: Locate Proxycheck.exe startup location

Reveal Hidden Files

  • Open any folder
  • Click on “Organize” button
  • Choose “Folder and Search Options”
  • Select the “View” tab
  • Select “Show hidden files and folders” option
  • Uncheck “Hide protected operating system files”
  • Click “Apply” and “OK” button

Clean Proxycheck.exe virus from the windows registry

  • Once the operating system loads press simultaneously the Windows Logo Button and the R key.


  • A dialog box should open. Type “Regedit”


Depending on your OS (x86 or x64) navigate to:

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run] or
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] or

  • and delete the display Name: [RANDOM]

delete backgroundcontainer

  • Then open your explorer and navigate to: %appdata% folder and delete the malicious executable.

Clean your HOSTS file to avoid unwanted browser redirection

Navigate to %windir%/system32/Drivers/etc/host

If you are hacked, there will be foreign IPs addresses connected to you at the bottom. Take a look below:


STEP 3 : Clean Proxycheck.exe traces from Chrome, Firefox and Internet Explorer

  • Open Google Chrome

  • In the Main Menu, select Tools then Extensions
  • Remove the Proxycheck.exe by clicking on the little recycle bin
  • Reset Google Chrome by Deleting the current user to make sure nothing is left behind

disable Proxycheck.exe from chrome

  • Open Mozilla Firefox

  • Press simultaneously Ctrl+Shift+A
  • Disable the unwanted Extension
  • Go to Help
  • Then Troubleshoot information
  • Click on Reset Firefox

remove Proxycheck.exe from firefox

  • Open Internet Explorer

  • On the Upper Right Corner Click on the Gear Icon
  • Click on Internet options
  • go to Toolbars and Extensions and disable the unknown extensions
  • Select the Advanced tab and click on Reset

remove Proxycheck.exe from ie

  • Restart Internet Explorer

Step 4: Undo the damage done by Proxycheck.exe

This particular Virus may alter your DNS settings.

Attention! this can break your internet connection. Before you change your DNS settings to use Google Public DNS for Proxycheck.exe, be sure to write down the current server addresses on a piece of paper.

To fix the damage done by the virus you need to do the following.

  • Click the Windows Start button to open the Start Menu, type control panel in the search box and select Control Panel in the results displayed above.
  • go to Network and Internet
  • then Network and Sharing Center
  • then Change Adapter Settings
  • Right-click on your active internet connection and click properties. Under the Networking tab, find Internet Protocol Version 4 (TCP/IPv4). Left click on it and then click on properties. Both options should be automatic! By default it should be set to “Obtain an IP address automatically” and the second one to “Obtain DNS server address automatically!” If they are not just change them, however if you are part of a domain network you should contact your Domain Administrator to set these settings, otherwise the internet connection will break!!!

You must clean all your browser shortcuts as well. To do that you need to

  • Right click on the shortcut of your favorite browser and then select properties.


  • in the target field remove Proxycheck.exe argument and then apply the changes.
  • Repeat that with the shortcuts of your other browsers.
  • Check your scheduled tasks to make sure the virus will not download itself again.

How to Permanently Remove Proxycheck.exe Virus (automatic) Removal Guide

Please, have in mind that once you are infected with a single virus, it compromises your system and let all doors wide open for many other infections. To make sure manual removal is successful, we recommend to use a free scanner of any professional antimalware program to identify possible registry leftovers or temporary files.

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