How to remove “Backdoor Virus Detected” pop-up alerts [Removal guide]

Q. How to remove “Backdoor Virus Detected” pop-ups? I’am getting pop ups, have removed suspicious programs, have removed dubious web browser plugins and still cannot remove them. Any help in finding where this malware is hiding so I can remove it would be very much appreciated.

The full text of the pop-up alert is:

Virus Alert: Backdoor Virus Detected on your Computer!

Please do Not Shut down or restart your computer.
The following data will be compromised if you do so:
This Virus is well known and mostly distributed through Adult/Porn sites.
Commonly used to steal personal and financial information from the infected device.
Your device might also be used for performing DDOS attacks by cyber criminals and cause serious harm to other networks and websites.
Virus defender has sandboxed your browser and locked your PC in order to prevent any further harm.

Please call Technical Support to rectify the issue and get your PC unlocked.
Toll free helpline

A. The “Backdoor Virus Detected” pop-up is a fake alert that designed to force you into believing that your computer has been infected with malicious software. The main purpose of these fake alerts is to force you into calling fake Technical Support trying to sell unnecessary virus removal service. If you are experiencing constant popups, fake alerts, trips to webpages you did not intend to visit, then this might be a sign that you accidentally installed adware (also known as ‘ad-supported’ software) on your PC system.

By definition, adware is a piece of software that presents ads on a PC. However, people basically use the word ‘adware’ to describe a part of malicious software that displays unwanted ads to the user. In many cases, this kind of adware do not have any uninstall procedures and can use technologies that are similar to those used by trojans to penetrate the personal computer.

Other signs of the presence of adware software include:

• unwanted browser toolbars;
• popups and newtab pages are loaded without your request;
• your internet browser is redirected to web-sites you did not want;
• your PC is no stable leading to crashes;
• your web-browser settings are being modified without your request.

The worst is, adware can analyze your surfing, and gain access to your personal data and, subsequently, can use it for marketing purposes. Thus, there are more than enough reasons to get rid of Backdoor Virus Detected popup scam from your computer.

We strongly advise that you perform the steps below which will help you to remove “Backdoor Virus Detected” pop up scam using the standard features of Windows and some proven free software.

How to remove “Backdoor Virus Detected” popup scam from Chrome, Firefox, IE, Edge

In most cases adware requires more than a simple uninstall through the use of MS Windows Control panel in order to be fully removed. For that reason, our team designed several removal ways which we have summarized in a detailed tutorial. Therefore, if you have the undesired “Backdoor Virus Detected” pop-up on your computer and are currently trying to have it deleted then feel free to follow the few simple steps below in order to resolve your problem. Read this manual carefully, bookmark or print it, because you may need to shut down your internet browser or reboot your PC system.

To remove “Backdoor Virus Detected” pop-up scam, execute the steps below:

1. Manual “Backdoor Virus Detected” pop-up removal
   • Delete recently installed adware
   • Remove “Backdoor Virus Detected” fake alerts from Internet Explorer
   • Delete “Backdoor Virus Detected” from Mozilla Firefox by resetting browser settings
   • Remove “Backdoor Virus Detected” pop-up warnings from Google Chrome
2. Use free malware removal tools to completely remove “Backdoor Virus Detected” pop up warnings
   • Scan and free your web-browser of “Backdoor Virus Detected” popup with Zemana Anti Malware
   • Use Hitman Pro to get rid of “Backdoor Virus Detected” pop up warnings
   • Scan and free your PC of adware with MalwareBytes AntiMalware
3. How to block “Backdoor Virus Detected” scam
4. Method of adware software intrusion into your system
5. To sum up

Manual “Backdoor Virus Detected” pop-up removal

Most common adware may be uninstalled without any antivirus apps. The manual adware software removal is few simple steps that will teach you how to delete the “Backdoor Virus Detected” pop up scam.

Delete recently installed adware

Some PUPs, browser hijacking programs and adware can be removed by uninstalling the free software they came with. If this way does not succeed, then looking them up in the list of installed software in Microsoft Windows Control Panel. Use the “Uninstall” command in order to remove them.

Press Windows button , then press Search . Type “Control panel”and press Enter. If you using Windows XP or Windows 7, then click “Start” and select “Control Panel”. It will display the Windows Control Panel as on the image below.

Further, press “Uninstall a program”
It will display a list of all apps installed on your PC system. Scroll through the all list, and remove any questionable and unknown apps.

Remove “Backdoor Virus Detected” fake alerts from Internet Explorer

The Microsoft Internet Explorer reset is great if your browser is hijacked or you have unwanted addo-ons or toolbars on your web-browser, that installed by an malicious software.

First, run the Internet Explorer, then click ‘gear’ icon . It will open the Tools drop-down menu on the right part of the web browser, then press the “Internet Options” as displayed below.

In the “Internet Options” screen, select the “Advanced” tab, then press the “Reset” button. The Internet Explorer will display 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 following example.

After the process is done, press “Close” button. Close the Internet Explorer and restart your personal computer for the changes to take effect. This step will help you to restore your web-browser’s homepage, search provider by default and newtab to default state.

Delete “Backdoor Virus Detected” from Mozilla Firefox by resetting browser settings

If the Mozilla Firefox web-browser program is hijacked, then resetting its settings can help. The Reset feature is available on all modern version of Firefox. A reset can fix many issues by restoring Mozilla Firefox settings such as new tab page, start page and default search engine to their original state. However, your saved bookmarks and passwords will not be lost. This will not affect your history, passwords, bookmarks, and other saved data.

First, start the Mozilla Firefox. 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 below.

Confirm your action, press the “Refresh Firefox”.

Remove “Backdoor Virus Detected” pop-up warnings from Google Chrome

Resetting Google Chrome to original settings is useful in uninstalling the “Backdoor Virus Detected” fake alerts from your web-browser. This way is always advisable to perform if you have difficulty in removing changes caused by adware software.

1. First launch the Chrome and press Menu button (small button in the form of three dots).
2. It will show the Chrome main menu. Choose More Tools, then click Extensions.
3. You will see the list of installed extensions. If the list has the plugin labeled with “Installed by enterprise policy” or “Installed by your administrator”, then complete the following tutorial: Remove Chrome extensions installed by enterprise policy.
4. Now open the Chrome menu once again, press the “Settings” menu.
5. You will see the Chrome’s settings page. Scroll down and click “Advanced” link.
6. Scroll down again and click the “Reset” button.
7. The Chrome will open the reset profile settings page as shown on the screen above.
8. Next click the “Reset” button.
9. Once this procedure is finished, your browser’s default search provider, homepage and new tab will be restored to their original defaults.
10. To learn more, read the article How to reset Chrome settings to default.

Use free malware removal tools to completely remove “Backdoor Virus Detected” pop up warnings

If you’re an unskilled computer user, then all your attempts to remove “Backdoor Virus Detected” popup scam by completing the manual steps above might result in failure. To find and remove all of the adware related files and registry entries that keep this adware software on your system, use free antimalware software such as Zemana, MalwareBytes and Hitman Pro from our list below.

Scan and free your web-browser of “Backdoor Virus Detected” popup with Zemana Anti Malware

Zemana Anti-Malware is extremely fast and ultra light weight malicious software removal tool. It will allow you remove “Backdoor Virus Detected” pop up scam, adware software, PUPs and other malware. This program gives real-time protection that never slow down your computer. Zemana Anti-Malware (ZAM) is developed for experienced and beginner computer users. The interface of this tool is very easy to use, simple and minimalist.

Download Zemana Anti-Malware on your PC system by clicking on the link below.

When the download is done, close all apps and windows on your machine. Open a directory in which you saved it. Double-click on the icon that’s called Zemana.AntiMalware.Setup as displayed on the image below.

When the setup begins, you will see the “Setup wizard” that will help you setup Zemana Free on your machine.

Once install is done, you will see window as shown on the image below.

Now press the “Scan” button . Zemana Free utility will start scanning the whole machine to find out adware software that causes misleading “Backdoor Virus Detected” popup on your browser. This task can take quite a while, so please be patient. While the Zemana Anti Malware (ZAM) tool is checking, you can see count of objects it has identified as being affected by malicious software.

After Zemana completes the scan, the results are displayed in the scan report. Review the results once the tool has finished the system scan. If you think an entry should not be quarantined, then uncheck it. Otherwise, simply press “Next” button.

The Zemana will start to delete adware that causes internet browsers to show misleading “Backdoor Virus Detected” pop up warnings.

Use Hitman Pro to get rid of “Backdoor Virus Detected” pop up warnings

Hitman Pro is a portable program which requires no hard installation to scan for and remove adware which cause misleading “Backdoor Virus Detected” pop up scam to appear. The program itself is small in size (only a few Mb). HitmanPro does not need any drivers and special dlls. It’s probably easier to use than any alternative malicious software removal tools you’ve ever tried. HitmanPro works on 64 and 32-bit versions of Windows 10, 8, 7 and XP. It proves that removal tool can be just as useful as the widely known antivirus programs.

Installing the Hitman Pro is simple. First you will need to download HitmanPro on your Windows Desktop by clicking on the following link.

Download and use HitmanPro on your PC. Once started, click “Next” button to scan for adware which causes misleading “Backdoor Virus Detected” pop up scam on your web-browser. A system scan can take anywhere from 5 to 30 minutes, depending on your computer. .

Once finished, you’ll be opened the list of all detected items on your computer.

Review the scan results and then press Next button.

It will display a dialog box, press the “Activate free license” button to begin the free 30 days trial to remove all malicious software found.

Scan and free your PC of adware with MalwareBytes AntiMalware

If you’re having issues with “Backdoor Virus Detected” pop-up scam removal, then check out MalwareBytes Anti-Malware (MBAM). This is a tool that can help clean up your PC system and improve your speeds for free. Find out more below.

Visit the page linked below to download MalwareBytes. Save it to your Desktop so that you can access the file easily.

Once downloading is complete, run it and follow the prompts. Once installed, the MalwareBytes Free will try to update itself and when this procedure is finished, press the “Scan Now” button for scanning your PC system for the adware software that cause misleading “Backdoor Virus Detected” pop up scam to appear. Depending on your PC, the scan can take anywhere from a few minutes to close to an hour. When a threat is found, the number of the security threats will change accordingly. Wait until the the scanning is complete. Make sure all threats have ‘checkmark’ and click “Quarantine Selected” button.

The MalwareBytes Anti Malware is a free program that you can use to delete all detected folders, files, services, registry entries and so on. To learn more about this malware removal utility, we recommend you to read and follow the instructions or the video guide below.

How to block “Backdoor Virus Detected” scam

If you surf the Internet, you can’t avoid malvertising. But you can protect your browser against it. Download and use an adblocker application. AdGuard is an ad-blocker that can filter out a lot of of the malicious advertising, blocking dynamic scripts from loading malicious content.

1. Visit the following page to download the latest version of AdGuard for MS Windows. Save it to your Desktop so that you can access the file easily.
   
   

   Adguard download
   26627 downloads
   Version: 6.4
   Author: © Adguard
   Category: Security tools
   Update: November 15, 2018
   
2. After downloading it, start the downloaded file. You will see the “Setup Wizard” program window. Follow the prompts.
3. After the setup is complete, click “Skip” to close the installation program and use the default settings, or click “Get Started” to see an quick tutorial that will help you get to know AdGuard better.
4. In most cases, the default settings are enough and you do not need to change anything. Each time, when you launch your machine, AdGuard will start automatically and stop unwanted ads, block “Backdoor Virus Detected” scam, 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 icon named AdGuard, which is located on your desktop.

Method of adware software intrusion into your system

The adware may be spread with the help of trojan horses and other forms of malware, but most often, the adware spreads along with some free applications. Many developers of free software include optional software in their installer. Sometimes it’s possible to avoid the setup of any adware: carefully read the Terms of Use and the Software license, select only Manual, Custom or Advanced installation type, uncheck all checkboxes before clicking Install or Next button while installing new free software.

To sum up

After completing the step-by-step guidance shown above, your PC system should be clean from this adware and other malware. The Google Chrome, Internet Explorer, Firefox and Microsoft Edge will no longer show unwanted “Backdoor Virus Detected” web-site when you surf the Internet. Unfortunately, if the step-by-step instructions does not help you, then you have caught a new adware, and then the best way – ask for help.

Please create a new question by using the “Ask Question” button in the Questions and Answers. Try to give us some details about your problems, so we can try to help you more accurately. Wait for one of our trained “Security Team” or Site Administrator to provide you with knowledgeable assistance tailored to your problem with the unwanted “Backdoor Virus Detected” fake alerts.