What is UltraQuantel
UltraQuantel is a malicious browser extension that operates as a browser hijacker, designed to inject unwanted advertisements into web pages and redirect users’ search queries to potentially harmful or misleading sites. It can infect various popular web browsers, including Google Chrome, Mozilla Firefox, Microsoft Edge, and Apple Safari, making it a versatile threat across multiple platforms. Once installed, UltraQuantel alters the browser’s settings, often using the “Managed by your organization” policy to complicate its removal, thereby trapping users in a cycle of unwanted ads and redirects. Users may notice an increase in pop-up ads, altered search results, and links leading to unfamiliar or suspicious websites, all aimed at generating revenue for the extension’s creators through affiliate marketing schemes. This aggressive advertising model not only disrupts the browsing experience but also poses risks of exposing users to further malware infections or phishing attempts. Removing UltraQuantel requires a series of carefully executed steps to restore normal browser functionality and eliminate any remnants of the extension.
How UltraQuantel infects computers
UltraQuantel, a notorious browser hijacker, typically infects computers through deceptive tactics that exploit user behavior and vulnerabilities. It is often bundled with legitimate software downloads, where users unknowingly agree to install the extension during the installation process by failing to deselect pre-checked boxes or opting for default settings. Additionally, malicious advertisements and misleading pop-ups can redirect users to download the extension, often masquerading as a legitimate application or update. Once installed, UltraQuantel modifies browser settings, injects unwanted ads, and redirects search queries without user consent, effectively compromising the browsing experience. Its persistence is further exacerbated by the “Managed by your organization” policy, which complicates removal efforts, making it crucial for users to remain vigilant during software installations and to utilize reputable security measures to prevent such infections.
- Download UltraQuantel Removal Tool
- Remove UltraQuantel from Control Panel and Applications
- Remove UltraQuantel extensions from browsers
- Reset browser search and homepage settings
- Alternative way to remove UltraQuantel search redirects
- Clean browser shortcuts from UltraQuantel
- How to protect from threats like UltraQuantel
Download Removal Tool for Windows
To remove UltraQuantel completely, we recommend you to use SpyHunter 5. It detects and removes all files, folders, and registry keys of UltraQuantel and several millions of other adware, hijackers, toolbars. The trial version of Spyhunter 5 offers virus scan and 1-time removal for FREE.
Download Removal Tool for Mac
To remove UltraQuantel completely, we recommend you to use SpyHunter for Mac. It can help you remove files, folders, and registry keys of UltraQuantel and uninstall hijackers, toolbars, and unwanted add-ons from the Safari browser. The trial version of SpyHunter for Mac offers virus scan and 1-time removal for FREE.
Remove UltraQuantel manually for free
Here is a manual step-by-step tutorial for full UltraQuantel removal from your computer. This works 99% and was checked with the latest versions of the UltraQuantel an installer on operating systems with the latest updates and browser versions.
Note: UltraQuantel 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:
- 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.
- Type in and execute the following commands:
rd /S /Q "%WinDir%\System32\GroupPolicyUsers"
rd /S /Q "%WinDir%\System32\GroupPolicy"
gpupdate /force
Remove UltraQuantel from Control Panel or Applications
To start removing UltraQuantel you should uninstall it using Control Panel. It can be present by different names – “UltraQuantel”. 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 UltraQuantel from Windows XP:
- Click on Start button.
- Choose Control Panel.
- Click Add or Remove Programs.
- Find UltraQuantel-related or other suspicious program.
- Click Uninstall.
Remove UltraQuantel from Windows 7:
- Click Start button.
- Then go to Control Panel.
- Click Uninstall a Program.
- Find UltraQuantel-related or other suspicious program and click Uninstall.
Remove UltraQuantel from Windows 8:
- Hover mouse pointer to the bottom-right corner to see Menu.
- Click Search.
- After that click Apps.
- Then Control Panel.
- Click Uninstall a Program under Programs.
- Find UltraQuantel-related or other suspicious program, click Uninstall.
Remove UltraQuantel from Windows 10:
There are 2 ways to uninstall UltraQuantel from Windows 10
Way one
- Click on the Start button.
- In opened menu choose Settings.
- Click on the System tile.
- Click Apps & features and locate UltraQuantel-related or other suspicious program in the list.
- Click on it and then click Uninstall button near it.
Way two (classic)
- Right-click on the Start button.
- In opened menu choose Programs and Features.
- Locate UltraQuantel-related or other suspicious program in the list.
- Click on it and then click Uninstall button above.
Remove UltraQuantel from Windows 11:
- Right-click on the Start button.
- In opened menu choose Settings.
- Click on the Apps tab on the left side.
- Click Apps & features and locate UltraQuantel-related or other recently installed suspicious program in the list.
- Click on 3-dots icon near it and then click Uninstall button near it.
- 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.
- In the Finder sidebar, click Applications.
- UltraQuantel might have an Uninstaller.
- Otherwise, drag UltraQuantel from the Applications folder to the Trash (located at the end of the Dock).
- Then choose Finder > Empty Trash.
- Reboot your computer.
- While it starts booting press F8 button.
- This will open Advanced Boot Options menu.
- Choose Safe Mode and wait until Windows loads.
- Go to Control Panel > Uninstall a program and remove UltraQuantel or other suspicious program
- Download free AppCleaner.
- Drag UltraQuantel from Applications folder to AppCleaner window.
- Choose files and folders you want to remove along with UltraQuantel.
- Click Delete button.
- Start Google Chrome browser
- In address box type (or copy-paste)
chrome://extensions
. - Find UltraQuantel extension.
- Click the Remove button to remove them.
- Also remove other suspicious extensions from the list.
- Start Mozilla Firefox browser.
- In address box type (or copy-paste)
about:addons
. - Find UltraQuantel extension.
- Click three-dots icon near it and choose Remove in the menu.
- In opened dialog window click Remove button to confirm the action.
- Remove all suspicious extensions from the list.
- Start Safari on your Mac, click Safari to open drop-down menu and choose Preferences
- Click Extensions tab.
- Find UltraQuantel extension.
- Click Uninstall button to remove it.
- Start Microsoft Edge browser.
- In address box type (or copy-paste)
edge://extensions
. - Find UltraQuantel extension.
- Click Remove link under the name of extension.
- In opened dialog window click Remove button to confirm the action.
- Remove all suspicious extensions from the list.
- Open Internet Explorer.
- Click on gear/asterisk icon in the top-right corner.
- In opened menu Manage Add-ons.
- Select Toolbars and Extensions.
- Click Disable UltraQuantel or other suspicious extensions.
- Also disable other suspicious extensions from the list.
- Start Opera browser.
- Go to Tools > Extensions > Manage Extensions.
- Find UltraQuantel or other suspicious extensions.
- Click Uninstall button.
- Also remove other suspicious extensions from the list.
- Start Google Chrome browser
- In address box type (or copy-paste)
chrome://settings
. - On the left panel expand Advanced options.
- Choose Reset and clean up.
- Click on Restore settings to their original defaults link and confirm by clicking Reset button.
- Start Mozilla Firefox browser.
- In address box type (or copy-paste)
about:support
. - Click Refresh Firefox… button.
- Click Refresh Firefox button in opened dialog window to confirm.
- Start Safari on your Mac, click Safari to open drop-down menu and choose Preferences
- Go to the Privacy section of Safari’s preferences.
- Click Remove All Website Data button.
- In opened window click Remove Now button to remove data stored by websites in Safari.
- Go to the Advanced section of Safari’s preferences.
- Click the Show Develop menu in menu bar option.
- In the menu click Develop and select Empty Caches from this menu.
- Again, go to Safari menu and choose Clear History….
- Choose to clear all history and click Clear History button.
- Start Microsoft Edge browser
- Click on 3-dots icon in the top-right corner and choose Settings.
- On the left panel find and click Reset settings option.
- Click on Restore settings to their default values link and confirm by clicking Reset button.
- Start Internet Explorer.
- Click on gear/asterisk icon in the top-right corner.
- In opened menu choose Internet options.
- Click Advanced tab.
- Click Reset button.
- Choose Delete personal settings and click Reset.
- Start Opera browser and click on Opera icon in the top-left corner.
- Choose Settings and click Advanced on the left side and choose Browser.
- Scroll down to the very bottom and click on Restore settings to their original defaults link.
- Confirm by clicking Reset button.
Remove UltraQuantel from Mac:
Cannot uninstall UltraQuantel in Windows
In some cases, UltraQuantel won’t uninstall and gives you the message, that “You do not have sufficient access to uninstall UltraQuantel. Please, contact your system administrator” when you try to remove it from Control Panel or “Access denied” error when removing the UltraQuantel 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 UltraQuantel in Safe Mode. To boot in Safe Mode do the following:
>> See detailed instructions and video tutorial on how to boot in Safe Mode
Cannot uninstall UltraQuantel in MacOS
If you can’t uninstall UltraQuantel using instructions above, or it keeps coming back, you can use free AppCleaner for Mac to remove all residual data and libraries of UltraQuantel. Follow instructions below:
Remove malicious add-ons from your browsers
Uninstalling UltraQuantel 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 UltraQuantel extension from your browsers manually.
Google Chrome:
Mozilla Firefox:
Safari:
Microsoft Edge:
Internet Explorer (9, 10, 11):
Note: There is no feature to remove browser extensions from browser in latest version of Internet Explorer. To remove UltraQuantel from Internet Explorer, please, perform instructions for uninstalling program from Control Panel. To disable UltraQuantel, please, do the following:
Opera Browser:
Generally, UltraQuantel does not install in Opera browser however you can always double check. Do the following:
Reset browsers settings (homepage, default search)
UltraQuantel installs a search engine, that hijacks your browsers. Here is the instruction to reset your browser’s homepage, new tab, and search engine to default values.
Google Chrome:
Mozilla Firefox:
Reset Safari:
Microsoft Edge:
Internet Explorer (9, 10, 11):
Opera Browser:
How to block ads and pop-ups, promoting UltraQuantel
UltraQuantel, in most cases, is promoted by ads and pop-ups on doubtful websites. These sites can redirect users’ browsers to UltraQuantel ads, generating advertising revenue for the attackers. The malware is often offered through these ads, leaving users puzzled about the origin of the software. In some cases, users may unknowingly install the UltraQuantel extension, which then injects advertisements into the websites they visit and redirects their search queries. Additionally, the malware can be distributed through other channels such as peer-to-peer file-sharing networks, misleading ads, and compromised or shady websites that trigger automatic downloads To protect your PC and browsers from phishing websites, pop-up ads, banners, malicious scripts it is recommended to use AdGuard. Download free trial here:
How to protect from threats, like UltraQuantel, in future
Be careful surfing the internet and downloading software, as programs like UltraQuantel 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 UltraQuantel.