TabOptimizer – a falsely advertised browser plugin that displays ads in various forms

TabOptimizer is adware despite being advertised as a useful tool that will improve your Google Chrome browser. It won't improve anything. It will diminish your browsing experience by displaying ads like pop-ups, banners, surveys, in-text hyperlinks, and any other possible forms and endanger your security by recording your data.
The worse thing is that TabOptimizer adware shown ads are always originating from other sources than the pages you're visiting. This makes the ads unsafe as the potentially unwanted program[1] developers could redirect you to a completely non-related site if they are clicked.
As a result of redirects from this adware, you might be forced to visit shady, suspicious, or even malicious websites. We're glad that you chose us as your cybersecurity advisers. In this article, you'll find this PUPs summary, its peculiarities, and of course, removal options.
| name | TabOptimizer |
|---|---|
| Type | Adware, redirect virus, PUP |
| Fake advertisement | Improving browser experience by removing errors and managing tabs |
| true purpose | Show tons of ads of affiliated websites |
| Symptoms | More than usual ads, some of them covering the whole browser window. Slower device performance and internet connection |
| Risks | Deceptive ads and sudden redirects could lead you to hazardous websites, where you could be tricked into exposing your private details, or where malware could be downloaded instantly through drive-by downloads |
| Distribution | Google Chrome Web Store, freeware bundles, fake Flash Player updates, deceptive ads |
| Removal | Adware and other PUPs can be easily removed by scanning your device with a reputable security tool |
| System Health check | You can eliminate all tracking cookies and other traces that your AV tool left by running system diagnostics with the all-in-one FortectIntego system repair tool |
Adware such as TabOptimizer virus, browser hijackers, and alike are categorized as potentially unwanted programs mainly for one reason only – that users agree to install it, whether knowingly or not. But it could act as a gateway to malware[2] infections through deceptive ads and redirects.
PUP operators promote sites that pay the most. And since ads displayed by adware are deceptive, they can lead you to various non-related sites. That means that clicking on TabOptimizer ads stating that there's a sale on brand new TVs or software could result in you visiting pages with:
- fake updates,
- malware,
- porn,
- gambling,
- tech support scams, etc.
Threat actors behind these pages could try to infect your devices with hazardous computer viruses, force you into downloading additional PUPs, try to draw out private details (credit card info, addresses, SSNs, etc.), try to lure you into gambling, and so on.
Furthermore, if a sudden TabOptimizer redirect occurs, you might be forced to visit such pages without clicking the deceptive ads. Thus potentially unwanted programs shouldn't be joked around with and should be uninstalled or terminated immediately.

We highly recommend you to remove TabOptimizer from any device. The best and safest way to do it is by scanning your device with trustworthy anti-malware software such as SpyHunterCombo Cleaner or MalwarebytesMalwarebytes. Either of these security tools will detect the threat and automatically eliminate it.
But some of its pieces might still be left in the Windows Registry and other key system settings. Therefore, to finish TabOptimizer removal, IT eperts[3] advise using the powerful FortectIntego system repair tool to take care of any system-related issues and get rid of all tracking cookies stored on your machine.
Bad habits when installing new software lead to PUP infections
People should take their time when installing new software as PUP developers use a stealthy trick to spread their creations. It's called software bundling. These packs containing installers of more than one app are usually downloaded from third-party software vendors, but sometimes even legit companies do it.
The trick is that all programs are preselected for installation. Therefore, if a user picks the Recommended, Quick, or Standard mode, all of the apps offered within the bundle, including adware, browser hijackers, unnecessary toolbars, etc., are automatically installed.
Thus if you desperately want an app and the only way to get it is from a bundle – stay attentive when installing it and don't rush. Choose the Advanced or Custom mode. That's the only way to deselect all apps from installation and getting only the app you initially wanted.

Detailed instructions to remove TabOptimizer virus from infected devices
If you want to have a virus-free device, you should do research on any new browser extensions such as TabOptimizer virus, toolbars, and any other software before installing it. Cybercriminals are always developing new hazardous apps and deceptive ways to deliver them to everyday computer users.
Since this falsely advertised browser extension will only impede your device usage, you should get rid of it. To remove TabOptimizer automatically, you should perform a full system scan with a dependable security tool. Please don't forget to update its virus database frequently so it could stop the latest malware from infecting your device.
You will need to get your hands dirty to finish TabOptimizer removal. If this PUP was installed as a browser extension, use our free guides below to eliminate it from your browsers. Afterward, we advise using system diagnostic tools to delete any tracking cookies and repair any system irregularities.
Uninstall from Windows
Uninstall from Windows 10/8:
- Type Control Panel into the Windows search box and open the result.
- Under Programs, select Uninstall a program.

Uninstall from Windows 7/XP:
- Click on Windows Start > Control Panel (Windows XP users should click on Add/Remove Programs).
- In Control Panel, select Programs > Uninstall a program.

Remove the unwanted program:
- In the Programs and Features window, look for any recently installed suspicious entries, select them, and click Uninstall.
- If User Account Control appears, click Yes to confirm, then complete the removal.

Delete from macOS
Remove the unwanted application:
- From the menu bar, select Go > Applications.
- In the Applications folder, look for any suspicious entries, then drag them to Trash (or right-click and pick Move to Trash).

Delete leftover files and folders:
- Select Go > Go to Folder.
- Enter /Library/Application Support and remove any suspicious folders related to the unwanted program.
- Repeat the same check in the /Library/LaunchAgents and /Library/LaunchDaemons folders, deleting any suspicious entries.

- Finally, empty the Trash to permanently remove the leftovers.
Remove from Microsoft Edge
Delete unwanted extensions from MS Edge:
- Select Menu (three horizontal dots at the top-right of the browser window) and pick Extensions.
- From the list, pick the extension and click on the Gear icon.
- Click Remove.

Clear cookies and other browser data:
- Click on the Menu (three horizontal dots at the top-right of the browser window) and select Settings > Privacy, search, and services..
- Under Clear browsing data, pick Choose what to clear.
- Select Cookies and other site data and Cached images and files. (apart from passwords, although you might want to include Media licenses as well, if applicable) and click on Clear.

Restore new tab and homepage settings:
- Click the menu icon and choose Settings.
- Then find On startup section.
- Click Remove next to any suspicious startup page.
Reset MS Edge if the above steps did not work:
- Press on Ctrl + Shift + Esc to open Task Manager.
- Click on More details arrow at the bottom of the window.
- Select Details tab.
- Now scroll down and locate every entry with Microsoft Edge name in it. Right-click on each of them and select End Task to stop MS Edge from running.

Instructions for Chromium-based Edge
Delete extensions from MS Edge (Chromium):
- Open Edge and click select Settings > Extensions.
- Delete unwanted extensions by clicking Remove.

Clear cache and site data:
- Click on Menu and go to Settings.
- Select Privacy, search and services.
- Under Clear browsing data, pick Choose what to clear.
- Under Time range, pick All time.
- Select Clear now.

Reset Chromium-based MS Edge:
- Click on Menu and select Settings.
- On the left side, pick Reset settings.
- Select Restore settings to their default values.
- Confirm with Reset.
- This will disable extensions and reset startup pages but will not delete bookmarks, saved passwords, or browsing history.

Remove from Mozilla Firefox (FF)
Remove dangerous extensions:
- Open Mozilla Firefox browser and click on the Menu (three horizontal lines at the top-right of the window).
- Select Add-ons.
- In here, select the unwanted extension and click Remove.

Reset the homepage:
- Click three horizontal lines at the top right corner to open the menu.
- Choose Settings.
- Under Home, set your preferred homepage and new tab settings.
Clear cookies and site data:
- Click Menu and pick Settings.
- Go to Privacy & Security section.
- Scroll down to locate Cookies and Site Data.
- Click on Clear Data...
- Select Cookies and Site Data and Temporary cached files and pages, then click Clear.

Reset Mozilla Firefox
If clearing the browser as explained above did not help, reset Mozilla Firefox:
- Open Mozilla Firefox browser and click the Menu.
- Go to Help and then choose Troubleshooting Information.

- Under Give Firefox a tune up section, click on Refresh Firefox...
- Once the pop-up shows up, confirm the action by pressing on Refresh Firefox.

Remove from Google Chrome
Delete malicious extensions from Google Chrome:
- Open Google Chrome, click on the Menu (three vertical dots at the top-right corner) and select More tools > Extensions.
- In the newly opened window, you will see all the installed extensions. Uninstall all suspicious extensions related to the unwanted program by clicking Remove.

Clear cache and web data from Chrome:
- Click on Menu and pick Settings.
- Under Privacy and security, select Clear browsing data.
- Select Browsing history, Cookies and other site data, as well as Cached images and files.
- Click Clear data.

Change your homepage:
- Click menu and choose Settings.
- Look for a suspicious site in the On startup section.
- Click on Open a specific or set of pages and click on three dots to find the Remove option.
Reset Google Chrome:
If the previous methods did not help you, reset Google Chrome to eliminate all the unwanted components:
- Click on Menu and select Settings.
- In the Settings, scroll down and click Advanced.
- Scroll down and locate Reset and clean up section.
- Now click Restore settings to their original defaults.
- Confirm with Reset settings.

Delete from Safari
Remove dangerous extensions:
- Open Safari, click Safari in the menu at the top-left of the screen, and select Preferences.
- Go to the Extensions tab, look for any suspicious entries, and click Uninstall to remove them.

Clear history and website data:
- Click Safari in the menu and pick Clear History.
- Set Clear to all history and confirm with Clear History.

Reset Safari:
- Click Safari in the menu and select Preferences > Advanced.
- Enable Show Develop menu in menu bar.
- From the menu bar, click Develop and select Empty Caches.

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