How to remove Violent_shark

What is Violent_shark

Violent_shark is a malicious browser extension that significantly disrupts your web browsing experience by redirecting search queries to unintended search engines such as Bing or Yahoo. Typically, users find their default search engine, like Google, replaced without their consent. This extension is often bundled with other software or downloaded inadvertently from dubious websites, particularly those offering cracked software or torrents. Once installed, it not only alters the search engine but also modifies the appearance of new tabs. Additionally, Violent Shark is designed to be persistent, making it difficult to remove through conventional means. It often comes with a main executable file, Zbrain.exe, which ensures the extension reinstalls itself even after deletion attempts. The primary motivation behind this malware is to generate revenue through ad clicks and search engine rewards, often at the user’s expense.

How Violent_shark infects computers

The Violent Shark extension infiltrates computers primarily through deceptive tactics often employed on torrenting platforms and cracked software websites. Users may unintentionally download this malicious extension when they click on seemingly benign ad elements or download buttons, resulting in drive-by downloads. Once installed, Violent Shark manipulates browser settings, replacing the default search engine with alternatives like Bing or Yahoo to generate revenue through redirected searches. The extension also employs persistence mechanisms, such as installing a background process (e.g., Zbrain.exe), which ensures it gets reinstalled even after removal attempts. This malicious behavior not only disrupts the user experience but also poses significant privacy risks by potentially exposing users to additional harmful payloads. To mitigate the risk of such infections, it is essential to avoid downloading software from untrusted sources and to remain vigilant against suspicious online advertisements.

1. Download Violent_shark Removal Tool
2. Remove Violent_shark from Control Panel and Applications
3. Remove Violent_shark extensions from browsers
4. Reset browser search and homepage settings
5. Alternative way to remove Violent_shark search redirects
6. Clean browser shortcuts from Violent_shark
7. How to protect from threats like Violent_shark

Remove Violent_shark manually for free

Here is a manual step-by-step tutorial for full Violent_shark removal from your computer. This works 99% and was checked with the latest versions of the Violent_shark an installer on operating systems with the latest updates and browser versions.

Note: Violent_shark can be installed as Google Chrome extension as Administrator (you may see Installed by enterprise policy or Your browser is managed by your organization inscription near it), and this will not allow removal. Therefore, before starting removal process, perform these actions:

1. Start the Command Prompt by clicking the Start menu button and typing command prompt (or just searching for “command prompt” in Windows 10 search field). Right click on the Command Prompt result and choose Run as Administrator.



2. Type in and execute the following commands:

   
rd /S /Q "%WinDir%\System32\GroupPolicyUsers"
rd /S /Q "%WinDir%\System32\GroupPolicy"
gpupdate /force

Remove Violent_shark from Control Panel or Applications

To start removing Violent_shark you should uninstall it using Control Panel. It can be present by different names – “Violent_shark”. It should uninstall correctly, however, we recommend you to use IObit Uninstaller to clean leftover items after uninstalling. Here are instructions for Windows XP, Windows 7, Windows 8, Windows 10, Windows 11, or Mac.

Remove Violent_shark from Windows XP:

1. Click on Start button.
2. Choose Control Panel.
3. Click Add or Remove Programs.
4. Find Violent_shark or other suspicious program.
5. Click Uninstall.

Remove Violent_shark from Windows 7:

1. Click Start button.
2. Then go to Control Panel.
3. Click Uninstall a Program.
4. Find Violent_shark or other suspicious program and click Uninstall.

Remove Violent_shark from Windows 8:

1. Hover mouse pointer to the bottom-right corner to see Menu.
2. Click Search.
3. After that click Apps.
4. Then Control Panel.
5. Click Uninstall a Program under Programs.
6. Find Violent_shark or other suspicious program, click Uninstall.

Remove Violent_shark from Windows 10:

There are 2 ways to uninstall Violent_shark from Windows 10

Way one

1. Click on the Start button.
2. In opened menu choose Settings.
3. Click on the System tile.
4. Click Apps & features and locate Violent_shark or other suspicious program in the list.
5. Click on it and then click Uninstall button near it.

Way two (classic)

1. Right-click on the Start button.
2. In opened menu choose Programs and Features.
3. Locate Violent_shark or other suspicious program in the list.
4. Click on it and then click Uninstall button above.

Remove Violent_shark from Windows 11:

1. Right-click on the Start button.
2. In opened menu choose Settings.
3. Click on the Apps tab on the left side.
4. Click Apps & features and locate Violent_shark or other recently installed suspicious program in the list.
5. Click on 3-dots icon near it and then click Uninstall button near it.
6. Depending on the type of application (Windows Store app or classic Win32 app) it will be removed immediately or you will need to confirm the action and go through standard uninstall procedure.

Remove Violent_shark from Mac:

1. In the Finder sidebar, click Applications.
2. Violent_shark might have an Uninstaller.
3. Otherwise, drag Violent_shark from the Applications folder to the Trash (located at the end of the Dock).
4. Then choose Finder > Empty Trash.

Cannot uninstall Violent_shark in Windows

In some cases, Violent_shark won’t uninstall and gives you the message, that “You do not have sufficient access to uninstall Violent_shark. Please, contact your system administrator” when you try to remove it from Control Panel or “Access denied” error when removing the Violent_shark folder and files. This happens because the process or service does not allow you to do it. In this case, I will recommend you to use SpyHunter 5 or Malwarebytes or uninstall Violent_shark in Safe Mode. To boot in Safe Mode do the following:

1. Reboot your computer.
2. While it starts booting press F8 button.
3. This will open Advanced Boot Options menu.
4. Choose Safe Mode and wait until Windows loads.
5. Go to Control Panel > Uninstall a program and remove Violent_shark or other suspicious program

>> See detailed instructions and video tutorial on how to boot in Safe Mode

Cannot uninstall Violent_shark in MacOS

If you can’t uninstall Violent_shark using instructions above, or it keeps coming back, you can use free AppCleaner for Mac to remove all residual data and libraries of Violent_shark. Follow instructions below:

1. Download free AppCleaner.
2. Drag Violent_shark from Applications folder to AppCleaner window.
3. Choose files and folders you want to remove along with Violent_shark.
4. Click Delete button.

Remove malicious add-ons from your browsers

Uninstalling Violent_shark from Control Panel or Applications often does not bring the desired effect. It sometimes has a browser extension and it may still be active in Google Chrome and Mozilla Firefox. Here are instructions on how to remove Violent_shark extension from your browsers manually.

Google Chrome:

1. Start Google Chrome browser
2. In address box type (or copy-paste) chrome://extensions.
3. Find Violent_shark extension.
4. Click the Remove button to remove them.
5. Also remove other suspicious extensions from the list.

Mozilla Firefox:

1. Start Mozilla Firefox browser.
2. In address box type (or copy-paste) about:addons.
3. Find Violent_shark extension.
4. Click three-dots icon near it and choose Remove in the menu.
5. In opened dialog window click Remove button to confirm the action.
6. Remove all suspicious extensions from the list.

Safari:

1. Start Safari on your Mac, click Safari to open drop-down menu and choose Preferences
2. Click Extensions tab.
3. Find Violent_shark extension.
4. Click Uninstall button to remove it.

Microsoft Edge:

1. Start Microsoft Edge browser.
2. In address box type (or copy-paste) edge://extensions.
3. Find Violent_shark extension.
4. Click Remove link under the name of extension.
5. In opened dialog window click Remove button to confirm the action.
6. Remove all suspicious extensions from the list.

Internet Explorer (9, 10, 11):

Note: There is no feature to remove browser extensions from browser in latest version of Internet Explorer. To remove Violent_shark from Internet Explorer, please, perform instructions for uninstalling program from Control Panel. To disable Violent_shark, please, do the following:

1. Open Internet Explorer.
2. Click on gear/asterisk icon in the top-right corner.
3. In opened menu Manage Add-ons.
4. Select Toolbars and Extensions.
5. Click Disable Violent_shark or other suspicious extensions.
6. Also disable other suspicious extensions from the list.

Opera Browser:

Generally, Violent_shark does not install in Opera browser however you can always double check. Do the following:

1. Start Opera browser.
2. Go to Tools > Extensions > Manage Extensions.
3. Find Violent_shark or other suspicious extensions.
4. Click Uninstall button.
5. Also remove other suspicious extensions from the list.

Reset browsers settings (homepage, default search)

Violent_shark installs a search engine (boyu.com.tr) that hijacks your browsers. Here is the instruction to reset your browser’s homepage, new tab, and search engine to default values.

Google Chrome:

1. Start Google Chrome browser
2. In address box type (or copy-paste) chrome://settings.
3. On the left panel expand Advanced options.
4. Choose Reset and clean up.
5. Click on Restore settings to their original defaults link and confirm by clicking Reset button.

Google Chrome > Settings > Advanced

Reset and clean up

Reset Google Chrome

Mozilla Firefox:

1. Start Mozilla Firefox browser.
2. In address box type (or copy-paste) about:support.
3. Click Refresh Firefox… button.
4. Click Refresh Firefox button in opened dialog window to confirm.

Reset Safari:

1. Start Safari on your Mac, click Safari to open drop-down menu and choose Preferences
2. Go to the Privacy section of Safari’s preferences.
3. Click Remove All Website Data button.
4. In opened window click Remove Now button to remove data stored by websites in Safari.
5. Go to the Advanced section of Safari’s preferences.
6. Click the Show Develop menu in menu bar option.
7. In the menu click Develop and select Empty Caches from this menu.
8. Again, go to Safari menu and choose Clear History….
9. Choose to clear all history and click Clear History button.

Microsoft Edge:

1. Start Microsoft Edge browser
2. Click on 3-dots icon in the top-right corner and choose Settings.
3. On the left panel find and click Reset settings option.
4. Click on Restore settings to their default values link and confirm by clicking Reset button.

Internet Explorer (9, 10, 11):

1. Start Internet Explorer.
2. Click on gear/asterisk icon in the top-right corner.
3. In opened menu choose Internet options.
4. Click Advanced tab.
5. Click Reset button.
6. Choose Delete personal settings and click Reset.

Opera Browser:

1. Start Opera browser and click on Opera icon in the top-left corner.
2. Choose Settings and click Advanced on the left side and choose Browser.
3. Scroll down to the very bottom and click on Restore settings to their original defaults link.
4. Confirm by clicking Reset button.

Alternative way to remove adware browser extensions and reset browser settings

For safe and effective browser extension removal use avast! Browser Cleanup utility. Run it with administrator privileges and remove all extensions with bad rating including related to Violent_shark. You can also reset your browser settings for each of your browsers: Internet Explorer, Google Chrome, Mozilla Firefox.

Download Avast Browser Cleanup

Cleaning browsers shortcuts

You can clean your browser shortcuts manually right-clicking on your browser icon, choosing “Properties” and removing hijacker address from “Target” field (leave just the path to your browser). However it is easier to use free Shortcut Cleaner from BleepingComputer. Download it here – its FREE:

Download Shortcut Cleaner

How to protect from threats, like Violent_shark, in future


SpyHunter 5 Dashboard

SpyHunter 5 Results

SpyHunter 5 System Guard

Be careful surfing the internet and downloading software, as programs like Violent_shark may become a real headache as they are hard to remove and break your privacy. To keep safe from such threats we recommend you always use antivirus and one of the anti-malware programs available on the market. One of the best anti-virus programs is SpyHunter 5. It can protect your PC from threats like Violent_shark.

Download SpyHunter for Windows

Download SpyHunter for Mac