The Extension.fun is a malicious web site offering install an questionable browser extension. Most often, this site pops up on computer that’s infected with adware (sometimes named ‘ad-supported’ software). The ad-supported software is one of the most annoying type of malicious software floating around the Internet: an attack generates tons of annoying pop-ups within a user web browser’s screen. A lot of people have fallen victim to these kinds of attacks, looking the Internet in hopes of finding guide on how to delete annoying advertisements. Now, computer geeks and Myantispyware lab have teamed up to create the few simple steps which help users remove Extension.fun popup advertisements for free.
The adware is not a virus, but the virus behaves similarly. As a rootkit hides in the system, modifies web browser settings and blocks them from changing. Also the ad-supported software can install additional internet browser add-ons and modules that will inject advertising links within the Chrome, Firefox, Internet Explorer and MS Edge’s screen. Moreover, the ad supported software may install internet browser hijacker that once started, will modify the web-browser’s homepage and search engine. And finally, the adware can collect a wide variety of personal information such as what web-sites you are opening, what you are looking for the Internet and so on. This information, in the future, may be transferred to third parties.
In addition to that, as was mentioned earlier, some ‘ad supported’ software to also modify all browsers shortcuts which located on your Desktop or Start menu. So, every infected shortcut will try to reroute your web browser to intrusive ad web-sites such as Extension.fun, certain of which might be harmful. It can make the whole personal computer more vulnerable to hacker attacks.
We strongly suggest that you perform the step-by-step tutorial below that will assist you to remove Extension.fun pop ups using the standard features of Windows and some proven freeware.
Table of contents
- What is Extension.fun
- How to remove Extension.fun pop-ups
- How to remove Extension.fun pop up advertisements without any software
- Uninstall Extension.fun associated software by using MS Windows Control Panel
- Fix infected browsers shortcuts to get rid of Extension.fun redirect
- Get rid of Extension.fun advertisements from IE
- Remove Extension.fun popup advertisements from Google Chrome
- Get rid of Extension.fun from FF by resetting internet browser settings
- Remove unwanted Scheduled Tasks
- Scan your PC system and remove Extension.fun ads with free tools
- How to remove Extension.fun pop up advertisements without any software
- Use AdBlocker to stop Extension.fun and stay safe online
- How can you prevent the Extension.fun pop up advertisements
- To sum up
How to remove Extension.fun pop-ups
The following step by step tutorial will allow you to remove Extension.fun pop-ups from the Google Chrome, Mozilla Firefox, Edge and IE. Moreover, the instructions below will help you to delete malware, hijackers, potentially unwanted software and toolbars that your computer may be infected. Please do the guide step by step. If you need assist or have any questions, then ask for our assistance or type a comment below. Read it once, after doing so, please print this page as you may need to close your web browser or restart your machine.
How to remove Extension.fun pop up advertisements without any software
The useful removal guidance for the Extension.fun pop-up advertisements. The detailed procedure can be followed by anyone as it really does take you step-by-step. If you follow this process to delete Extension.fun ads let us know how you managed by sending us your comments please.
Uninstall Extension.fun associated software by using MS Windows Control Panel
In order to remove PUPs like this adware, open the Windows Control Panel and click on “Uninstall a program”. Check the list of installed software. For the ones you do not know, run an Internet search to see if they are ad-supported software, hijacker or PUPs. If yes, uninstall them off. Even if they are just a software which you do not use, then deleting them off will increase your computer start up time and speed dramatically.
Windows 8, 8.1, 10
Windows XP, Vista, 7
Next, click “Uninstall a program”
It will open a list of all applications installed on your PC system. Scroll through the all list, and uninstall any suspicious and unknown software. To quickly find the latest installed programs, we recommend sort software by date in the Control panel.
Fix infected browsers shortcuts to get rid of Extension.fun redirect
Unfortunately, the adware can also hijack Windows shortcuts (mostly, your web-browsers shortcuts), so that the Extension.fun ad web-site will be opened when you open the Google Chrome, Firefox, Internet Explorer and Microsoft Edge or another web-browser.
Open the properties of the internet browser shortcut. Right click on the shortcut of infected web browser and choose the “Properties” option and it will show the properties of the shortcut. Next, select the “Shortcut” tab and have a look at the Target field like below.
Normally, if the last word in the Target field is chrome.exe, iexplore.exe, firefox.exe. Be sure to pay attention to the extension, should be “exe”! All shortcuts that have been altered by adware such as Extension.fun usually point to .bat, .cmd or .url files instead of .exe as shown below
Another variant, an address has been added at the end of the line. In this case the Target field looks like …Application\chrome.exe” http://site.address like below.
In order to fix a shortcut, you need to insert right path to the Target field or remove an address (if it has been added at the end). You can use the following information to fix your shortcuts that have been altered by ‘ad supported’ software.
|Chrome||C:\Program Files (x86)\Google\Chrome\Application\chrome.exe|
|Mozilla Firefox||C:\Program Files\Mozilla Firefox\firefox.exe|
|Microsoft Internet Explorer||C:\Program Files (x86)\Internet Explorer\iexplore.exe|
|C:\Program Files\Internet Explorer\iexplore.exe|
|Opera||C:\Program Files (x86)\Opera\launcher.exe|
Once is done, click OK to save changes. Repeat the step for all web browsers that are redirected to the Extension.fun annoying web-site.
Get rid of Extension.fun advertisements from IE
By resetting Microsoft Internet Explorer internet browser you return your web-browser settings to its default state. This is basic when troubleshooting problems that might have been caused by ad-supported software that cause annoying Extension.fun pop ups to appear.
First, open the Internet Explorer, then press ‘gear’ icon . It will show the Tools drop-down menu on the right part of the browser, then press the “Internet Options” as shown in the figure below.
In the “Internet Options” screen, select the “Advanced” tab, then click the “Reset” button. The Internet Explorer will open the “Reset Internet Explorer settings” prompt. Further, click the “Delete personal settings” check box to select it. Next, click the “Reset” button as shown in the figure below.
After the task is finished, click “Close” button. Close the Internet Explorer and reboot your PC for the changes to take effect. This step will help you to restore your internet browser’s start page, newtab and default search provider to default state.
Remove Extension.fun popup advertisements from Google Chrome
Reset Google Chrome settings is a simple way to delete the ad-supported software, harmful and adware extensions, as well as to restore the web browser’s start page, new tab page and search engine by default that have been changed by ad-supported software that made to redirect your web browser to various ad web sites like Extension.fun.
- First start the Google Chrome and press Menu button (small button in the form of three horizontal stripes).
- It will show the Chrome main menu. Select “Settings” option.
- You will see the Google Chrome’s settings page. Scroll down and press “Show advanced settings” link.
- Scroll down again and click the “Reset settings” button.
- The Chrome will open the reset profile settings page as on the image above.
- Next click the “Reset” button.
- Once this task is finished, your browser’s homepage, newtab and search provider by default will be restored to their original defaults.
- To learn more, read the post How to reset Google Chrome settings to default.
Get rid of Extension.fun from FF by resetting internet browser settings
Resetting your Mozilla Firefox is basic troubleshooting step for any issues with your internet browser application, including the redirect to Extension.fun site.
First, launch the Firefox and press button. It will display the drop-down menu on the right-part of the internet browser. Further, press the Help button () as shown below
In the Help menu, select the “Troubleshooting Information” option. Another way to open the “Troubleshooting Information” screen – type “about:support” in the internet browser adress bar and press Enter. It will show the “Troubleshooting Information” page like below. In the upper-right corner of this screen, click the “Refresh Firefox” button.
It will open the confirmation dialog box. Further, press the “Refresh Firefox” button. The Mozilla Firefox will start a process to fix your problems that caused by the adware that redirects your browser to intrusive Extension.fun web site. After, it’s finished, click the “Finish” button.
Remove unwanted Scheduled Tasks
Once installed, the adware can add a task in to the Windows Task Scheduler Library. Due to this, every time when you open your PC system, it will show Extension.fun annoying page. So, you need to check the Task Scheduler Library and delete all harmful tasks that have been created by malicious application.
Press Windows and R keys on your keyboard simultaneously. It will display a dialog box that titled with Run. In the text field, type “taskschd.msc” (without the quotes) and click OK. Task Scheduler window opens. In the left-hand side, click “Task Scheduler Library”, like below.
In the middle part you will see a list of installed tasks. Select the first task, its properties will be show just below automatically. Next, click the Actions tab. Necessary to look at the text which is written under Details. Found something such as “explorer.exe http://site.address” or “chrome.exe http://site.address” or “firefox.exe http://site.address”, then you need remove this task. If you are not sure that executes the task, then google it. If it’s a component of the adware, then this task also should be removed.
Further click on it with the right mouse button and select Delete as shown on the screen below.
Repeat this step, if you have found a few tasks that have been created by malicious program. Once is done, close the Task Scheduler window.
Scan your PC system and remove Extension.fun ads with free tools
In order to completely remove Extension.fun, you not only need to remove ‘ad supported’ software from your system, but also remove all its components in your PC including Windows registry entries. We recommend to download and use free removal utilities to automatically free your computer of adware which causes annoying Extension.fun pop up ads.
Remove Extension.fun pop-up ads with Zemana Anti-malware
We suggest you to use the Zemana Anti-malware which are completely clean your PC of Extension.fun advertisements. Moreover, the tool will help you to remove potentially unwanted programs, malicious software, toolbars and hijackers that your computer may be infected too.
Download Zemana Anti Malware from the link below.
Author: Zemana Ltd
Category: Security tools
Update: March 3, 2018
Once the download is finished, launch it and follow the prompts. Once installed, the Zemana Anti Malware will try to update itself and when this procedure is finished, click the “Scan” button to perform a system scan with this utility for the ‘ad supported’ software that causes lots of unwanted Extension.fun advertisements.
This task can take some time, so please be patient. While the utility is scanning, you may see number of objects it has identified as being infected by malware. You may move items to Quarantine (all selected by default) by simply press “Next” button.
The Zemana AntiMalware will remove adware that cause undesired Extension.fun popups to appear and move items to the program’s quarantine.
Use Malwarebytes to remove Extension.fun pop up advertisements
Remove Extension.fun pop up ads manually is difficult and often the adware is not completely removed. Therefore, we suggest you to run the Malwarebytes Free which are completely clean your machine. Moreover, the free program will help you to delete malware, potentially unwanted programs, toolbars and browser hijackers that your PC can be infected too.
Download Malwarebytes Free on your PC system by clicking on the link below. Save it on your desktop.
Category: Security tools
Update: March 20, 2018
When the download is finished, close all windows on your personal computer. Further, run the file called mb3-setup. If the “User Account Control” dialog box pops up as shown on the image below, press the “Yes” button.
It will display the “Setup wizard” that will allow you install Malwarebytes on the machine. Follow the prompts and don’t make any changes to default settings.
Once installation is done successfully, click Finish button. Then Malwarebytes will automatically start and you may see its main window as shown on the screen below.
Next, click the “Scan Now” button . This will start scanning the whole machine to find out ‘ad supported’ software which cause annoying Extension.fun popup ads to appear. When a threat is found, the number of the security threats will change accordingly.
As the scanning ends, you will be displayed the list of all found threats on your personal computer. You may move threats to Quarantine (all selected by default) by simply press “Quarantine Selected” button.
The Malwarebytes will remove ad-supported software which cause undesired Extension.fun ads to appear. When finished, you can be prompted to reboot your computer. We suggest you look at the following video, which completely explains the process of using the Malwarebytes to remove browser hijackers, adware and other malware.
Double-check for potentially unwanted applications with AdwCleaner
AdwCleaner is a free portable program that scans your machine for adware that causes multiple undesired ads and pop ups, potentially unwanted applications and browser hijackers and allows get rid of them easily. Moreover, it’ll also help you get rid of any harmful browser extensions and add-ons.
- Download AdwCleaner by clicking on the link below.
Author: Xplode, MalwareBytes
Category: Security tools
Update: November 17, 2018
- When the download is complete, double click the AdwCleaner icon. Once this tool is started, press “Scan” button . This will start scanning the whole PC to find out adware that causes web-browsers to show undesired Extension.fun pop up advertisements. This task can take some time, so please be patient. While the utility is scanning, you can see count of objects it has identified either as being malware.
- When it has finished scanning your computer, you can check all threats detected on your computer. Next, you need to press “Clean” button. It will open a prompt, click “OK”.
These few simple steps are shown in detail in the following video guide.
Use AdBlocker to stop Extension.fun and stay safe online
Use ad blocker program such as AdGuard in order to block advertisements, malvertisements, pop-ups and online trackers, avoid having to install harmful and adware browser plug-ins and add-ons that affect your personal computer performance and impact your machine security. Surf the Net anonymously and stay safe online!
Download AdGuard program by clicking on the following link.
Author: © Adguard
Category: Security tools
Update: July 17, 2017
When downloading is done, launch the downloaded file. You will see the “Setup Wizard” screen as shown on the screen below.
Follow the prompts. Once the installation is finished, you will see a window as on the image below.
You can click “Skip” to close the installation application and use the default settings, or click “Get Started” button to see an quick tutorial which will allow you get to know AdGuard better.
In most cases, the default settings are enough and you do not need to change anything. Each time, when you run your PC, AdGuard will launch automatically and stop pop-up ads, pages such Extension.fun, as well as other malicious or misleading sites. For an overview of all the features of the application, or to change its settings you can simply double-click on the AdGuard icon, which can be found on your desktop.
How can you prevent the Extension.fun pop up advertisements
Usually, ad supported software gets into your system as part of a bundle with freeware, sharing files and other unsafe applications that you downloaded from the Internet. The creators of this ad-supported software pays software creators for distributing ad-supported software within their programs. So, optional software is often included as part of the setup file. In order to avoid the installation of any ad supported software that causes browsers to show intrusive Extension.fun pop-up advertisements: choose only Manual, Custom or Advanced installation mode and uncheck all additional applications in which you are unsure.
To sum up
Once you have finished the instructions outlined above, your personal computer should be clean from malware and ‘ad supported’ software that reroutes your browser to unwanted Extension.fun site. The Firefox, Chrome, Microsoft Internet Explorer and Microsoft Edge will no longer reroute you to various intrusive sites. Unfortunately, if the few simple steps does not help you, then you have caught a new adware, and then the best way – ask for help in our Spyware/Malware removal forum.