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Fusion Browser Adware

Also Known As: Fusion Browser PUP
Type: Adware
Damage level: Medium

What is Fusion Browser?

Developed by Fusion Browser Media, Fusion Browser is a Chromium-based Internet browser that supposedly provides various useful features such as VPN services, weather forecasts, media players, etc.

- "Experience the simplicity of Fusion’s stylish and intuitive interface with our online interactive tour. Explore the many features of Fusion including; integrated Facebook functionality, streaming music app, free VPN, local weather and a convenient deal finder."

Although these features may seem legitimate and useful, Fusion Browser is categorized as a potentially unwanted program (PUP). The reason for this negative association is the following behavior: stealth installation, display of advertisements, tracking of Internet browsing activity, and causing unwanted browser redirects.

Fusion Browser adware

After infiltrating the system, Fusion Browser sets itself as the default Internet browser. Furthermore, it installs a desktop toolbar containing a search bar and a number of links supposedly leading to the features offered (note that the toolbar cannot be closed). Users who attempt to search the Internet via this toolbar are redirected to the trovi.com website.

Furthermore, they may encounter various online advertisements (for example, coupons, links to other websites, etc.) that can lead to untrusted websites. This behavior significantly diminishes the Internet browsing experience. Fusion Browser collects various Internet browsing-related information that is later shared with third parties, some of which may be personally identifiable.

Thus, having an information-tracking app such as Fusion Browser installed on your system can lead to privacy issues. You are advised to uninstall this application immediately.

Although Fusion Browser is almost identical to Web Bar, it also shares many similarities with hundreds of other adware-type applications such as Chromatic, BeagleBrowser, and DeskBar.

These also claim to be legitimate, however, most provide little or no value to the user. Adware-type applications such as Fusion Browser are designed to generate revenue by delivering advertisements, tracking information, and causing unwanted browser redirects.

How did Fusion Browser install on my computer?

Although Fusion Browser has an official download website, it is often distributed as a 'bundle' with other software. Many users are unaware that potentially unwanted programs are concealed within the 'Custom' or 'Advanced' settings.

By rushing the download and installation procedures and skipping these steps, they inadvertently install apps such as Fusion Browser. Be aware that the developers' revenue is dependent on the number of applications distributed, and therefore, they are not concerned with proper discloser of rogue installations.

How to avoid installation of potentially unwanted applications?

To prevent installation of adware-type applications, express caution during download and installation of any software.

Closely analyze each step and click 'Decline' if installation of additional programs is offered. Furthermore, perform these processes using the 'Custom' or 'Advanced' options, rather than 'Quick' or 'Typical' - this will reveal any bundled applications listed for installation and allow you to cancel them.

Fusion Browser adware installer set-up:

Official Fusion Browser adware installation setup

Screenshot of Fusion Browser desktop toolbar:

Deceptive Fusion Browser desktop toolbar

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Quick menu:

Fusion Browser adware removal:

Windows 11 users:

Accessing Apps and Features in Windows 11

Right-click on the Start icon, select Apps and Features. In the opened window search for the application you want to uninstall, after locating it, click on the three vertical dots and select Uninstall.

Windows 10 users:

Accessing Programs and Features (uninstall) in Windows 8

Right-click in the lower left corner of the screen, in the Quick Access Menu select Control Panel. In the opened window choose Programs and Features.

Windows 7 users:

Accessing Programs and Features (uninstall) in Windows 7

Click Start (Windows Logo at the bottom left corner of your desktop), choose Control Panel. Locate Programs and click Uninstall a program.

macOS (OSX) users:

Uninstall app in OSX (Mac)

Click Finder, in the opened screen select Applications. Drag the app from the Applications folder to the Trash (located in your Dock), then right click the Trash icon and select Empty Trash.

Fusion Browser adware uninstall via Control Panel

In the uninstall programs window, look for "Fusion Browser", select this entry and click "Uninstall" or "Remove".

After uninstalling the potentially unwanted program that causes Fusion Browser ads, scan your computer for any remaining unwanted components or possible malware infections. To scan your computer, use recommended malware removal software.

Remove Fusion Browser adware from Internet browsers:

At time of research, Fusion Browser did not install its browser plug-ins on Internet Explorer, Google Chrome, or Mozilla Firefox, however, it was bundled with other adware. Therefore, you are advised to remove all potentially unwanted browser add-ons from your Internet browsers.

Video showing how to remove potentially unwanted browser add-ons:

Internet Explorer logoRemove malicious add-ons from Internet Explorer:

Removing Fusion Browser ads from Internet Explorer step 1

Click the "gear" icon Internet Explorer options icon (at the top right corner of Internet Explorer), select "Manage Add-ons". Look for any recently-installed suspicious browser extensions, select these entries and click "Remove".

Removing Fusion Browser ads from Internet Explorer step 2

Optional method:

If you continue to have problems with removal of the fusion browser pup, reset your Internet Explorer settings to default.

Windows XP users: Click Start, click Run, in the opened window type inetcpl.cpl In the opened window click the Advanced tab, then click Reset.

Resetting Internet Explorer settings to default on Windows XP

Windows Vista and Windows 7 users: Click the Windows logo, in the start search box type inetcpl.cpl and click enter. In the opened window click the Advanced tab, then click Reset.

Resetting Internet Explorer settings to default on Windows 7

Windows 8 users: Open Internet Explorer and click the gear icon. Select Internet Options.

Reseting Internet Explorer settings to default in Windows 8 - accessing

In the opened window, select the Advanced tab.

Resetting Internet Explorer settings to default on Windows 8 - Internet options advanced tab

Click the Reset button.

Resetting Internet Explorer settings to default on Windows 8 - click the Reset button in the Internet options advanced tab

Confirm that you wish to reset Internet Explorer settings to default by clicking the Reset button.

Resetting Internet Explorer settings to default on Windows 8 - confirm settings reset to default by clicking the reset button

Google Chrome logoRemove malicious extensions from Google Chrome:

Removing Fusion Browser  ads from Google Chrome step 1

Click the Chrome menu icon Google Chrome options icon (at the top right corner of Google Chrome), select "Tools" and click "Extensions". Locate all recently-installed suspicious browser add-ons, select these entries and click the trash can icon.

Removing Fusion Browser ads from Google Chrome step 2

Optional method:

If you continue to have problems with removal of the fusion browser pup, reset your Google Chrome browser settings. Click the Chrome menu icon Google Chrome menu icon (at the top right corner of Google Chrome) and select Settings. Scroll down to the bottom of the screen. Click the Advanced… link.

Google Chrome settings reset step 1

After scrolling to the bottom of the screen, click the Reset (Restore settings to their original defaults) button.

Google Chrome settings reset step 2

In the opened window, confirm that you wish to reset Google Chrome settings to default by clicking the Reset button.

Google Chrome settings reset step 3

Mozilla Firefox logoRemove malicious plug-ins from Mozilla Firefox:

Removing Fusion Browser ads from Mozilla Firefox step 1

Click the Firefox menu firefox menu icon (at the top right corner of the main window), select "Add-ons". Click "Extensions", in the opened window, remove all recently-installed suspicious browser plug-ins.

Removing Fusion Browser ads from Mozilla Firefox step 2

Optional method:

Computer users who have problems with fusion browser pup removal can reset their Mozilla Firefox settings.

Open Mozilla Firefox, at the top right corner of the main window, click the Firefox menu, firefox menu icon in the opened menu, click Help.

Accessing settings (Reset Firefox to default settings step 1)

Select Troubleshooting Information.

Accessing Troubleshooting Information (Reset Firefox to default settings step 2)

In the opened window, click the Refresh Firefox button.

Clicking on Refresh Firefox button (Reset Firefox to default settings step 3)

In the opened window, confirm that you wish to reset Mozilla Firefox settings to default by clicking the Refresh Firefox button.

Confirm your want to reset Firefox settings to default (Reset Firefox to default settings step 4)

safari browser logoRemove malicious extensions from Safari:

removing adware from safari step 1 - accessing preferences

Make sure your Safari browser is active, click Safari menu, and select Preferences....

removing adware from safari step 2 - removing extensions

In the opened window click Extensions, locate any recently installed suspicious extension, select it and click Uninstall.

Optional method:

Make sure your Safari browser is active and click on Safari menu. From the drop down menu select Clear History and Website Data...

resetting safari step 1

In the opened window select all history and click the Clear History button.

resetting safari step 2

Microsoft Edge (Chromium) logoRemove malicious extensions from Microsoft Edge:

Removing adware from Microsoft Edge step 1

Click the Edge menu icon Microsoft Edge (chromium) menu icon (at the upper-right corner of Microsoft Edge), select "Extensions". Locate all recently-installed suspicious browser add-ons and click "Remove" below their names.

Removing adware from Microsoft Edge step 2

Optional method:

If you continue to have problems with removal of the fusion browser pup, reset your Microsoft Edge browser settings. Click the Edge menu icon Microsoft Edge (chromium) menu icon (at the top right corner of Microsoft Edge) and select Settings.

Microsoft Edge (Chromium) reset step 1

In the opened settings menu select Reset settings.

Microsoft Edge (Chromium) reset step 2

Select Restore settings to their default values. In the opened window, confirm that you wish to reset Microsoft Edge settings to default by clicking the Reset button.

Microsoft Edge (Chromium) reset step 3

  • If this did not help, follow these alternative instructions explaining how to reset the Microsoft Edge browser.

Summary:

declining installation of adware while downloading free software sampleCommonly, adware or potentially unwanted applications infiltrate Internet browsers through free software downloads. Note that the safest source for downloading free software is via developers' websites only. To avoid installation of adware, be very attentive when downloading and installing free software. When installing previously-downloaded free programs, choose the custom or advanced installation options – this step will reveal any potentially unwanted applications listed for installation together with your chosen free program.

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About the author:

Tomas Meskauskas

Tomas Meskauskas - expert security researcher, professional malware analyst.

I am passionate about computer security and technology. I have an experience of over 10 years working in various companies related to computer technical issue solving and Internet security. I have been working as an author and editor for pcrisk.com since 2010. Follow me on Twitter and LinkedIn to stay informed about the latest online security threats. Contact Tomas Meskauskas.

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Malware activity

Global malware activity level today:

Medium threat activity

Increased attack rate of infections detected within the last 24 hours.

QR Code
Fusion Browser PUP QR code
Scan this QR code to have an easy access removal guide of Fusion Browser PUP on your mobile device.
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