THREAT REMOVAL

Remove “Virus Alert: Backdoor Virus Detected on your Computer”

Have you been seeing pop-ups stating the following “Virus Alert: Backdoor Virus Detected on your Computer”? Such pop-ups are usually persistent and may even lock your browser in their attempt to trick you into calling a phone number for technical support. As you probably have guessed by now – this is a tech support scam.

Calling the provided number 1-(866) 563-8673 will not fix any issues and may lead to further complications. Continue reading to learn more details about the “Virus Alert: Backdoor Virus Detected on your Computer” tech support scam and how to deal with it.

Threat Summary

NameVirus Alert: Backdoor Virus Detected on your Computer
TypeTech Support Scam
Short DescriptionA pop-up pushes fake virus alert that claims your computer is compromised by a backdoor. The end goal of such scams is to scare you into calling a fake tech support phone number.
SymptomsThe message “Virus Alert: Backdoor Virus Detected on your Computer” appears in your browser, displaying a fake notification in attempt to trick you into calling a phone number.
Distribution MethodFreeware Installers, Suspicious Sites, Redirects, Trojan Horse
Detection Tool See If Your System Has Been Affected by malware

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User ExperienceJoin Our Forum to Discuss Virus Alert: Backdoor Virus Detected on your Computer.

“Virus Alert: Backdoor Virus Detected on your Computer” – Why Do I Have It?

“Virus Alert: Backdoor Virus Detected on your Computer” is a pop-up that displays fake virus alert messages in order to trick you into calling a fake tech support number for assistance.

The scam is attempting to scare the user into calling the 1-(866) 563-8673 number. The scammers claim that if the user shuts down their computer, the following data will be compromised:

– Passwords;
– Browser histories;
– Credit card information;
– Local hard disk files.

Here is the rest of scam message which acts as typical scareware:

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 at 1-(866) 563-8673.

This is obviously a cleverly written scam that tries to scare the user by using “backdoor” as a threat as well as adult and porn sites and DDOS attacks. The scammers also claim that a supposed “virus defender” has sandboxed the victim’s browser and locked their computer in order to prevent further harm. However, this isn’t true and is just a clever attempt to make the victim call the “toll free helpline” at 1-(866) 563-8673.

You are certainly wondering why you are seeing this pop-up scareware message in your browser. The fake “Virus Alert: Backdoor Virus Detected on your Computer” alert may have landed on your computer via various distribution techniques. In most of the registered cases the fake pop-up alert appears while you are browsing, meaning that it may have been injected into the code of a suspicious website you have visited.

Also, keep in mind that the links to such pages may be spread via malvertising campaigns, instant messaging services, or website redirects. A single visit of a compromised web page can trigger this persistent pop-up scam.

In addition, third-party programs can deliver the scam by tricking you into installing a potentially unwanted program. Such programs tend to come bundled with other freeware and supposedly useful software.

The installers of these software programs, however, often have additional components that may not be disclosed properly or may be set to install by default. A general advice is to always make sure to locate and choose the Advanced or Custom configuration options in the setup of the program you’re planning to install.

How to Remove “Virus Alert: Backdoor Virus Detected on your Computer”

Below are listed all the steps that will help you to remove “Virus Alert: Backdoor Virus Detected on your Computer” tech support scam completely from an affected Chrome, Mozilla, Explorer, or Safari browser. You can choose whether to follow a manual or an automatic removal guide. Once you complete the manual removal, some leftover files may remain on the system, so you may scan your system with an anti-malware tool.

Milena Dimitrova

Milena Dimitrova

An inspired writer and content manager who has been with SensorsTechForum since the beginning. Focused on user privacy and malware development, she strongly believes in a world where cybersecurity plays a central role. If common sense makes no sense, she will be there to take notes. Those notes may later turn into articles! Follow Milena @Milenyim

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Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer

How to Remove Virus Alert: Backdoor Virus Detected on your Computer from Windows.


Step 1: Boot Your PC In Safe Mode to isolate and remove Virus Alert: Backdoor Virus Detected on your Computer

OFFER

Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your PC with SpyHunter

Keep in mind, that SpyHunter’s scanner is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter's malware removal tool to remove the malware threats. Read our SpyHunter 5 review. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria

1. Hold Windows key() + R


2. The "Run" Window will appear. In it, type "msconfig" and click OK.


3. Go to the "Boot" tab. There select "Safe Boot" and then click "Apply" and "OK".
Tip: Make sure to reverse those changes by unticking Safe Boot after that, because your system will always boot in Safe Boot from now on.


4. When prompted, click on "Restart" to go into Safe Mode.


5. You can recognise Safe Mode by the words written on the corners of your screen.


Step 2: Uninstall Virus Alert: Backdoor Virus Detected on your Computer and related software from Windows

Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it. To do that:


1. Hold the Windows Logo Button and "R" on your keyboard. A Pop-up window will appear.


2. In the field type in "appwiz.cpl" and press ENTER.


3. This will open a window with all the programs installed on the PC. Select the program that you want to remove, and press "Uninstall"
Follow the instructions above and you will successfully uninstall most programs.


Step 3: Clean any registries, created by Virus Alert: Backdoor Virus Detected on your Computer on your computer.

The usually targeted registries of Windows machines are the following:

  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce

You can access them by opening the Windows registry editor and deleting any values, created by Virus Alert: Backdoor Virus Detected on your Computer there. This can happen by following the steps underneath:

1. Open the Run Window again, type "regedit" and click OK.


2. When you open it, you can freely navigate to the Run and RunOnce keys, whose locations are shown above.


3. You can remove the value of the virus by right-clicking on it and removing it.
Tip: To find a virus-created value, you can right-click on it and click "Modify" to see which file it is set to run. If this is the virus file location, remove the value.

IMPORTANT!
Before starting "Step 4", please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.

Step 4: Scan for Virus Alert: Backdoor Virus Detected on your Computer with SpyHunter Anti-Malware Tool

1. Click on the "Download" button to proceed to SpyHunter's download page.


It is recommended to run a scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by SpyHunter. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria.


2. After you have installed SpyHunter, wait for it to update automatically.

SpyHunter5-update-2018


3. After the update process has finished, click on the 'Malware/PC Scan' tab. A new window will appear. Click on 'Start Scan'.

SpyHunter5-Free-Scan-2018


4. After SpyHunter has finished scanning your PC for any files of the associated threat and found them, you can try to get them removed automatically and permanently by clicking on the 'Next' button.

SpyHunter-5-Free-Scan-Next-2018

If any threats have been removed, it is highly recommended to restart your PC.


Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer

Get rid of Virus Alert: Backdoor Virus Detected on your Computer from Mac OS X.


Step 1: Uninstall Virus Alert: Backdoor Virus Detected on your Computer and remove related files and objects

OFFER
Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your Mac with SpyHunter for Mac
Keep in mind, that SpyHunter for Mac needs to purchased to remove the malware threats. Click on the corresponding links to check SpyHunter’s EULA and Privacy Policy


1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:


2. Find Activity Monitor and double-click it:


3. In the Activity Monitor look for any suspicious processes, belonging or related to Virus Alert: Backdoor Virus Detected on your Computer:

Tip: To quit a process completely, choose the “Force Quit” option.


4. Click on the "Go" button again, but this time select Applications. Another way is with the ⇧+⌘+A buttons.


5. In the Applications menu, look for any suspicious app or an app with a name, similar or identical to Virus Alert: Backdoor Virus Detected on your Computer. If you find it, right-click on the app and select “Move to Trash”.


6: Select Accounts, after which click on the Login Items preference. Your Mac will then show you a list of items that start automatically when you log in. Look for any suspicious apps identical or similar to Virus Alert: Backdoor Virus Detected on your Computer. Check the app you want to stop from running automatically and then select on the Minus (“-“) icon to hide it.


7: Remove any left-over files that might be related to this threat manually by following the sub-steps below:

  • Go to Finder.
  • In the search bar type the name of the app that you want to remove.
  • Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
  • If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.

In case you cannot remove Virus Alert: Backdoor Virus Detected on your Computer via Step 1 above:

In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below:

Disclaimer! If you are about to tamper with Library files on Mac, be sure to know the name of the virus file, because if you delete the wrong file, it may cause irreversible damage to your MacOS. Continue on your own responsibility!

1: Click on "Go" and Then "Go to Folder" as shown underneath:

2: Type in "/Library/LauchAgents/" and click Ok:

3: Delete all of the virus files that have similar or the same name as Virus Alert: Backdoor Virus Detected on your Computer. If you believe there is no such file, do not delete anything.

You can repeat the same procedure with the following other Library directories:

→ ~/Library/LaunchAgents
/Library/LaunchDaemons

Tip: ~ is there on purpose, because it leads to more LaunchAgents.


Step 2: Scan for and remove malware from your Mac

When you are facing problems on your Mac as a result of unwanted scripts, programs and malware, the recommended way of eliminating the threat is by using an anti-malware program. Combo Cleaner offers advanced security features along with other modules that will improve your Mac’s security and protect it in the future.



Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer


Remove Virus Alert: Backdoor Virus Detected on your Computer from Google Chrome.


Step 1: Start Google Chrome and open the drop menu


Step 2: Move the cursor over "Tools" and then from the extended menu choose "Extensions"


Step 3: From the opened "Extensions" menu locate the unwanted extension and click on its "Remove" button.


Step 4: After the extension is removed, restart Google Chrome by closing it from the red "X" button at the top right corner and start it again.


Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer


Erase Virus Alert: Backdoor Virus Detected on your Computer from Mozilla Firefox.

Step 1: Start Mozilla Firefox. Open the menu window


Step 2: Select the "Add-ons" icon from the menu.


Step 3: Select the unwanted extension and click "Remove"


Step 4: After the extension is removed, restart Mozilla Firefox by closing it from the red "X" button at the top right corner and start it again.



Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer


Uninstall Virus Alert: Backdoor Virus Detected on your Computer from Microsoft Edge.


Step 1: Start Edge browser.


Step 2: Open the drop menu by clicking on the icon at the top right corner.


Step 3: From the drop menu select "Extensions".


Step 4: Choose the suspected malicious extension you want to remove and then click on the gear icon.


Step 5: Remove the malicious extension by scrolling down and then clicking on Uninstall.



Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer


Remove Virus Alert: Backdoor Virus Detected on your Computer from Safari.


Step 1: Start the Safari app.


Step 2: After hovering your mouse cursor to the top of the screen, click on the Safari text to open its drop down menu.


Step 3: From the menu, click on "Preferences".

stf-safari preferences


Step 4: After that, select the 'Extensions' Tab.

stf-safari-extensions


Step 5: Click once on the extension you want to remove.


Step 6: Click 'Uninstall'.

stf-safari uninstall

A pop-up window will appear asking for confirmation to uninstall the extension. Select 'Uninstall' again, and the Virus Alert: Backdoor Virus Detected on your Computer will be removed.


How to Reset Safari
IMPORTANT: Before resetting Safari make sure you back up all your saved passwords within the browser in case you forget them.

Start Safari and then click on the gear leaver icon.

Click the Reset Safari button and you will reset the browser.


Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer


Eliminate Virus Alert: Backdoor Virus Detected on your Computer from Internet Explorer.


Step 1: Start Internet Explorer.


Step 2: Click on the gear icon labeled 'Tools' to open the drop menu and select 'Manage Add-ons'


Step 3: In the 'Manage Add-ons' window.


Step 4: Select the extension you want to remove and then click 'Disable'. A pop-up window will appear to inform you that you are about to disable the selected extension, and some more add-ons might be disabled as well. Leave all the boxes checked, and click 'Disable'.


Step 5: After the unwanted extension has been removed, restart Internet Explorer by closing it from the red 'X' button located at the top right corner and start it again.


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