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How to Remove Bachbut Extension by Mesary.com Virus

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Today’s article is all about the Bachbut extension by Mesary.com. This plugin is added by a problematic adware-type virus. In other words, your safety has been compromised. Instead of ignoring the threat this program poses, take action now. The sooner you regain control over your infected browsers, the better. Adware is known to be among the most annoying types of infections. That means it is going to put your patience to the test. Furthermore, if it spends enough time on board, the parasite will eventually get out of hand. We assume that you’re not willing to witness a parasite’s entire malicious potential unleashed. Hence, do not hesitate. The adware is messing with your default browser settings as we speak. In fact, its shenanigans begin as soon as your computer gets infected. For starters, this program installs the Bachbut extension. It does that completely behind your back and without your permission. After all, you probably wouldn’t agree to have your favorite settings altered. Adware doesn’t waste any time to seek the victim’s consent. And that’s just the beginning. Thanks to the Bachbut add-on, your browsers get injected with pop-ups. You must have already noticed these commercials all over your PC screen. The ads are extremely invasive, pesky and irritating. Last but not least, these commercials are useless. They only get displayed to serve hackers’ purposes. It goes without saying the plans crooks have about your PC greatly mismatch yours. Now that you’re stuck with the parasite, hackers take advantage of your machine. One important thing about all ads it generates is that the commercials are sponsored. By covering your PC screen with ads, hackers use the pay-per-click mechanism. Ultimately, they manage to gain profit at your expense. Clicking any of these advertisements helps crooks become rich. Why become a sponsor of the illegal business those people have? Every cent they gain will be invested in creating more malware. In addition, a sponsored commercial could be leading you anywhere. Yes, you may get redirected to harmful websites that are full of viruses. Another possibility is that the commercials might lure you into buying a fake, non-existent product. Don’t take any chances when it comes to your safety. The Bachbut extension effectively hijacks your browsers and constantly forces sponsored ads on you. To prevent further damage, stay away from all web links you might come across. Keep in mind that the virus could also generate some bogus software updates or other third-party pop-ups. Put your security first and avoid these dubious links.

Remove Bachbut

How did I get infected with?

The most popular distribution tactic has nothing to do with your authorization. As you already know, parasites mainly travel the Web in silence. The more time you spend having no idea your PC is infected, the better for hackers. And the worse for you. Do yourself a favor and watch out for malware in advance. Remember that protecting your machine from intruders is your responsibility and yours only. Hackers need one careless move online to cause you harm. Thus, keep an eye out for infections when installing bundled programs. During the process, opt for the custom option in the Setup Wizard. Not many people tend to pay attention to the exact programs they end up installing. Unfortunately, that allows crooks to spread all sorts of parasites. Reading the Terms and Conditions is another must. The same thing goes for the EULA (End User License Agreement). Unless you deselect any unwanted virus, you’ll have to tackle the virus afterwards. That is indeed more of hassle. Also, we’d recommend that you avoid unverified websites as well as spam messages and emails. Don’t underestimate hackers’ creativity when it comes to parasites.

Why is this dangerous?

Adware makes browsing the Internet no longer safe or enjoyable. Due to the parasite’s presence, your PC speed is slowed down as well. Your browsers might start freezing or crashing and your Internet speed may be affected too. As mentioned, the Bachbut extension brings along a huge, endless pile of sponsored commercials. Unless you restrain yourself from clicking, you help hackers gain revenue. In addition, you get redirected to unknown pages. The infection bombards you with seemingly safe ads on a daily basis. It generates pop-ups, pop-unders, banners, interstitials, video ads, etc. All these commercials are dubious and potentially corrupted. To get rid of them, you have to remove the adware first. You will find our detailed manual removal guide down below.

How to Remove Bachbut virus

The Bachbut 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 Bachbut 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 Bachbut in the computer memory

STEP 2: Locate Bachbut startup location

STEP 3: Delete Bachbut traces from Chrome, Firefox and Internet Explorer

STEP 4: Undo the damage done by the virus

STEP 1: Track down Bachbut 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 Bachbut 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 Bachbut 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 Bachbut traces from Chrome, Firefox and Internet Explorer

  • Open Google Chrome

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

disable Bachbut 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 Bachbut 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 Bachbut from ie

  • Restart Internet Explorer

Step 4: Undo the damage done by Bachbut

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 Bachbut, 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 Bachbut 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 Bachbut 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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