The Image Previewer is classified as malicious Firefox browser add-on. The appearance of Image Previewer in your web-browser means that an adware (sometimes named ‘ad-supported’ software) was installed on your PC. The Image Previewer can show lots of pop-up ads within the Firefox screen or redirect you to annoying ad web sites. So, if you have found the Image Previewer extension on the Firefox web browser, then you do not need to wait! You need to clean your system from malware and thereby get rid of Image Previewer Firefox add-on.
The Image Previewer virus that redirects your web browser to unwanted ad pages, can attack your computer’s web browsers. Maybe you approve the idea that the pop up ads from it is just a small problem. But these unwanted Image Previewer advertisements eat system resources. The worst is, it can gather your surfing history and user information, including passwords and credit card numbers. In the future, privacy data about you can be sold to third parties.
Therefore it is very important to follow the step-by-step tutorial below immediately. The guide will allow you to remove Image Previewer virus as well as get rid of any unwanted ads. What is more, the guide below will help you remove other malicious programs like undesired toolbars and browser hijackers, which can be installed onto computer along with this addon.
Remove Image Previewer virus (removal guide)
We suggest opting for automatic Image Previewer malicious extension removal in order to get rid of all virus related entries easily. This solution requires scanning the computer with reputable antimalware, e.g. Zemana Free, MalwareBytes or HitmanPro. However, if you prefer manual removal steps, you can use the guidance below in this article. Read this manual carefully, bookmark or print it, because you may need to close your web-browser or restart your machine.
To remove Image Previewer, execute the following steps:
- Manual Image Previewer virus removal
- Use free malware removal utilities to completely remove Image Previewer harmful addon
- Run AdBlocker to stay safe online
- To sum up
Manual Image Previewer virus removal
If you perform exactly the guidance below you should be able to remove the Image Previewer addon from the Mozilla Firefox web browser.
Uninstall Image Previewer associated software by using MS Windows Control Panel
The best way to start the PC system cleanup is to uninstall unknown and dubious software. Using the MS Windows Control Panel you can do this quickly and easily. This step, in spite of its simplicity, should not be ignored, because the removing of unneeded programs can clean up the FF, Google Chrome, Internet Explorer and Edge from pop up ads, hijackers and so on.
Windows 10, 8.1, 8
Click the Microsoft Windows logo, and then click Search 
. Type ‘Control panel’and press Enter as displayed below.
After the ‘Control Panel’ opens, click the ‘Uninstall a program’ link under Programs category as shown in the figure below.
Windows 7, Vista, XP
Open Start menu and select the ‘Control Panel’ at right as on the image below.
Then go to ‘Add/Remove Programs’ or ‘Uninstall a program’ (Microsoft Windows 7 or Vista) as shown on the image below.
Carefully browse through the list of installed programs and remove all suspicious and unknown apps. We suggest to click ‘Installed programs’ and even sorts all installed apps by date. After you have found anything dubious that may be a malware or other PUP (potentially unwanted program), then select this program and click ‘Uninstall’ in the upper part of the window. If the questionable program blocked from removal, then run Revo Uninstaller Freeware to fully get rid of it from your PC system.
Remove Image Previewer from Mozilla Firefox by resetting internet browser settings
Reset Firefox settings is a easy way to remove the browser hijackers, malicious and ‘ad-supported’ extensions, as well as to recover the web browser’s search engine by default, start page and newtab that have been changed by Image Previewer extension.
First, open the FF. Next, click the button in the form of three horizontal stripes (
). It will open the drop-down menu. Next, click the Help button (
).
In the Help menu click the “Troubleshooting Information”. In the upper-right corner of the “Troubleshooting Information” page click on “Refresh Firefox” button as displayed on the image below.
Confirm your action, click the “Refresh Firefox”.
Use free malware removal utilities to completely remove Image Previewer harmful addon
After completing the manual removal guide above all unwanted software, malicious web browser’s addons and Image Previewer plugin that causes multiple unwanted advertisements and pop ups should be removed. If the problem with Image Previewer is still remained, then we recommend to scan your system for any remaining malicious components. Run recommended free malicious extension removal programs below.
Automatically delete Image Previewer add-on with Zemana Anti-malware
You can delete Image Previewer automatically with a help of Zemana Anti-malware. We suggest this malware removal utility because it can easily remove hijackers, potentially unwanted programs, adware like Image Previewer with all their components such as folders, files and registry entries.
- Zemana Anti-Malware (ZAM) can be downloaded from the following link. Save it to your Desktop so that you can access the file easily.
Zemana AntiMalware
164985 downloads
Author: Zemana Ltd
Category: Security tools
Update: July 16, 2019
- When the download is done, close all software and windows on your personal computer. Open a directory in which you saved it. Double-click on the icon that’s named Zemana.AntiMalware.Setup.
- Further, click Next button and follow the prompts.
- Once setup is complete, click the “Scan” button to start scanning your PC system for the Image Previewer harmful add-on that causes multiple unwanted advertisements and pop ups. A scan can take anywhere from 10 to 30 minutes, depending on the number of files on your PC system and the speed of your computer. While the Zemana Anti-Malware tool is scanning, you can see number of objects it has identified as being infected by malicious software.
- Once the scanning is finished, Zemana AntiMalware (ZAM) will show a list of found threats. In order to get rid of all threats, simply click “Next”. After the task is done, you may be prompted to restart your PC system.
Scan and clean your system of virus with Hitman Pro
HitmanPro is a completely free (30 day trial) tool. You do not need expensive ways to remove Image Previewer virus and other misleading programs. Hitman Pro will remove all the unwanted programs such as adware and browser hijacker infections at zero cost.
- Installing the HitmanPro is simple. First you’ll need to download Hitman Pro by clicking on the following link.
- Once the download is complete, double click the HitmanPro icon. Once this tool is started, click “Next” button to begin checking your machine for the Image Previewer extension that created to redirect your web-browser to various ad web sites. A system scan can take anywhere from 5 to 30 minutes, depending on your computer. When a malicious software, ad-supported software or potentially unwanted apps are detected, the number of the security threats will change accordingly.
- Once the scanning is finished, the results are displayed in the scan report. Next, you need to click “Next” button. Now click the “Activate free license” button to start the free 30 days trial to get rid of all malicious software found.
Scan and free your PC system of virus with Malwarebytes
Manual Image Previewer plugin removal requires some computer skills. Some files and registry entries that created by the extension can be not completely removed. We suggest that run the Malwarebytes Free that are completely free your personal computer of virus. Moreover, the free application will help you to remove malware, PUPs, browser hijackers and toolbars that your computer can be infected too.
Download MalwareBytes Free on your computer from the following link.
327224 downloads
Author: Malwarebytes
Category: Security tools
Update: April 15, 2020
After the download is finished, run it and follow the prompts. Once installed, the MalwareBytes Free will try to update itself and when this process is done, click the “Scan Now” button . MalwareBytes Free tool will start scanning the whole machine to find out Image Previewer plugin that causes unwanted advertisements. A scan may take anywhere from 10 to 30 minutes, depending on the number of files on your system and the speed of your PC. When a threat is detected, the number of the security threats will change accordingly. Make sure all items have ‘checkmark’ and click “Quarantine Selected” button.
The MalwareBytes Free is a free program that you can use to remove all detected folders, files, services, registry entries and so on. To learn more about this malware removal utility, we suggest you to read and follow the steps or the video guide below.
Run AdBlocker to stay safe online
One of the worst things is the fact that you cannot stop all those annoying web pages using only built-in MS Windows capabilities. However, there is a application out that you can use to block intrusive internet browser redirections, advertisements and pop-ups in any modern internet browsers including Chrome, Microsoft Internet Explorer, Firefox and Edge. It’s named Adguard and it works very well.
Visit the page linked below to download AdGuard. Save it on your Windows desktop or in any other place.
26883 downloads
Version: 6.4
Author: © Adguard
Category: Security tools
Update: November 15, 2018
After downloading it, start the downloaded file. You will see the “Setup Wizard” screen as displayed below.
Follow the prompts. After the installation is finished, you will see a window as on the image below.
You can click “Skip” to close the installation program and use the default settings, or click “Get Started” button to see an quick tutorial which will help you get to know AdGuard better.
In most cases, the default settings are enough and you don’t need to change anything. Each time, when you run your system, AdGuard will launch automatically and stop pop-up advertisements, as well as other malicious or misleading web pages. For an overview of all the features of the program, or to change its settings you can simply double-click on the AdGuard icon, that may be found on your desktop.
To sum up
Once you have complete the steps shown above, your PC should be clean from Image Previewer malicious extension that causes web-browsers to display unwanted popup advertisements. The MS Edge, Google Chrome, Firefox and Microsoft Internet Explorer will no longer reroute you to various unwanted web sites. Unfortunately, if the few simple steps does not help you, then you have caught a new virus, and then the best way – ask for help in our Spyware/Malware removal forum.
