Fusion Browser is the potentially unwanted program described as a virus
Fusion Browser is an application that creates issues with the system when pop-ups and banners keep appearing out of nowhere. This is not a virus, however, due to its suspicious activities on the affected PC, some users might call it like that. However, this browser is NOT a safe program, and you should not keep it installed on your PC. According to the developers of this program,
“Fusion seamlessly integrates your favorite Chrome browser features and settings into one convenient tool that is accessible directly from the comfort of your desktop. Enjoy the web the way it should be enjoyed…like a pro.”
The presentation slogan sounds nice; however, this is not a 'convenient tool' at all. In fact, this program has been added to “potentially unwanted programs” and “adware” categories. Let us explain how this software works:
Once this program gets installed on the system, it infects Internet browsers, including Mozilla Firefox, Chrome, Internet Explorer. Once it attaches its components onto these web browsers, it launches its cookies and starts collecting information deemed as non-personal.
| Name | Fusion Browser |
|---|---|
| Type | The potentially unwanted program, adware |
| Distribution | Freeware installations, deceptive sites |
| Problems | Ad-supported programs can lead to data tracking-related issues, expose users to possibly dangerous material |
| Removal | Threats can get fully cleared with proper tools like anti-malware apps |
| Recovery | Since the system gets affected and some of the system files altered, run FortectIntego to clear any virus damage |
Typically, such programs are interested in people's browsing history, favorite websites, data entered online, saved bookmarks, search terms, email addresses, and similar information. Later, you are going to encounter the advertising system this browser creates.
It sends ads in various forms, for example, in-text links, pop-ups, pop-unders, new tab pages, banners, and so on. You have probably already realized, that these ads are selected according to your browsing preferences on the Internet, and you are going to receive “ads by Fusion Browser” or “Fusion Browser ads” that are familiar with your recent searches or items reviewed online.

Sadly, but there is no guarantee that these ads are reliable at any point. We recommend ignoring them, because in most of the cases, they do not provide any real deals, but they seek to make you click on them to redirect you to third-party websites that belong to Fusion Browser sponsors.
These redirects are done to gain pay-per-click income, and that is why you should ignore these ads and eliminate this ad-supported program from the system as soon as possible. The best solution is to run a full system check with a professional anti-malware program, for example, SpyHunterCombo Cleaner or MalwarebytesMalwarebytes.

PUP installs itself without user permission
If this application has already started to interrupt you, you should know that it has been mostly spread using a deceptive marketing method called bundling. It works like this: whenever you decide to download free apps from the Internet, you choose to download ONE program, right? However, the problem is that many freeware and shareware apps make agreements with developers of PUPs to promote their shady software.
As a result, such shady programs are attached to legitimate free programs, and computer users frequently install them together because of a lack of attention during the installation process. Keep in mind that you should always select one of the following installation settings:
- Advanced;
- Custom.
Either one or another setting allows adjusting software installation by refusing to install optional third-party software. You just need to deselect the ticks near agreements to install such software. In case the hijacker has invaded your computer already, we can recommend nothing else but removing it ASAP.
FusionBrowser ads can be stopped if you remove the PUP entirely
If the promotional content that Fusion Browser adware sends you annoys you to death, it is time to get rid of them. All you need to do is to uninstall this rogue program and start to use your preferred Internet browser instead.
Let's not forget the case if you have already been rerouted to suspicious web pages that were promoted via these doubtful ads. To be sure that your computer is entirely safe and sound, test it with anti-spyware software. See our recommendations on what apps are the best for spyware and malware removal below this text.
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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