How to remove Spectra

What is Spectra

Spectra is a type of malware that infiltrates web browsers, altering their settings to redirect users to a specific website, nwsrc4you.com. This browser hijacker typically manifests through the installation of an extension that can modify the default search engine, homepage, and new tab page to its promoted URL. While nwsrc4you.com might initially appear as a legitimate search engine, it actually redirects search queries to search.yahoo.com, a genuine search engine, but also carries the risk of leading users to dubious and potentially harmful websites. The extension associated with Spectra not only compromises browser settings but also poses significant privacy concerns, as it can track browsing history and manipulate data on affected devices. Users may encounter Spectra through various deceptive distribution methods, such as bundled software installs, misleading ads, or fake updates for software like Flash Player. The presence of this hijacker can result in unwanted advertisements, frequent redirects, and potential exposure to scams and phishing attacks. To safeguard privacy and maintain optimal browser performance, it is crucial to remove Spectra promptly, ideally using reliable anti-malware software if manual removal proves challenging.

How Spectra infects computers

Spectra typically infiltrates computers through deceptive methods such as software bundling, where it is packaged with free programs downloaded from unofficial or third-party websites. Users often unknowingly install this hijacker when they neglect to deselect optional components during the installation process, usually hidden within “Advanced” or “Custom” settings of software installers. Additionally, Spectra can spread through misleading advertisements and pop-ups that encourage users to download updates or other seemingly helpful applications. Once installed, it alters browser settings by changing the default homepage, new tab page, and search engine to nwsrc4you.com, a fake search engine that redirects to legitimate search results while potentially exposing users to untrustworthy websites. This hijacker can also exploit vulnerabilities by using rogue extensions or plug-ins to maintain persistence, making manual removal challenging. To prevent infection, users should download software only from reputable sources and remain vigilant during installation processes, ensuring they read all prompts carefully and reject any unnecessary add-ons.

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

Remove Spectra manually for free

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

Note: Spectra 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 Spectra from Control Panel or Applications

To start removing Spectra you should uninstall it using Control Panel. It can be present by different names – “Spectra”. 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 Spectra from Windows XP:

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

Remove Spectra from Windows 7:

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

Remove Spectra 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 Spectra or other suspicious program, click Uninstall.

Remove Spectra from Windows 10:

There are 2 ways to uninstall Spectra 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 Spectra 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 Spectra or other suspicious program in the list.
4. Click on it and then click Uninstall button above.

Remove Spectra 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 Spectra 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 Spectra from Mac:

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

Cannot uninstall Spectra in Windows

In some cases, Spectra won’t uninstall and gives you the message, that “You do not have sufficient access to uninstall Spectra. Please, contact your system administrator” when you try to remove it from Control Panel or “Access denied” error when removing the Spectra 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 Spectra 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 Spectra or other suspicious program

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

Cannot uninstall Spectra in MacOS

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

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

Remove malicious add-ons from your browsers

Uninstalling Spectra 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 Spectra extension from your browsers manually.

Google Chrome:

1. Start Google Chrome browser
2. In address box type (or copy-paste) chrome://extensions.
3. Find Spectra 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 Spectra 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 Spectra 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 Spectra 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 Spectra from Internet Explorer, please, perform instructions for uninstalling program from Control Panel. To disable Spectra, 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 Spectra or other suspicious extensions.
6. Also disable other suspicious extensions from the list.

Opera Browser:

Generally, Spectra 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 Spectra or other suspicious extensions.
4. Click Uninstall button.
5. Also remove other suspicious extensions from the list.

Reset browsers settings (homepage, default search)

Spectra installs a search engine (kwsrc4you.com) 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 Spectra. 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 Spectra, in future


SpyHunter 5 Dashboard

SpyHunter 5 Results

SpyHunter 5 System Guard

Be careful surfing the internet and downloading software, as programs like Spectra 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 Spectra.

Download SpyHunter for Windows

Download SpyHunter for Mac