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
| Name | Virus Alert: Backdoor Virus Detected on your Computer |
| Type | Tech Support Scam |
| Short Description | A 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. |
| Symptoms | The 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 Method | Freeware Installers, Suspicious Sites, Redirects, Trojan Horse |
| Detection Tool | See If Your System Has Been Affected by Virus Alert: Backdoor Virus Detected on your Computer Download Malware Removal Tool |
| User Experience | Join 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
An inspired writer and content manager who has been with SensorsTechForum for 4 years. Enjoys ‘Mr. Robot’ and fears ‘1984’. 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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Milena Dimitrova
An inspired writer and content manager who has been with SensorsTechForum for 4 years. Enjoys ‘Mr. Robot’ and fears ‘1984’. 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
Follow Me:
Milena Dimitrova
An inspired writer and content manager who has been with SensorsTechForum for 4 years. Enjoys ‘Mr. Robot’ and fears ‘1984’. 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
Follow Me:
Preparation before removing Virus Alert: Backdoor Virus Detected on your Computer.
Before starting the actual removal process, we recommend that you do the following preparation steps.
- Make sure you have these instructions always open and in front of your eyes.
- Do a backup of all of your files, even if they could be damaged. You should back up your data with a cloud backup solution and insure your files against any type of loss, even from the most severe threats.
- Be patient as this could take a while.
Step 1: Boot Your PC In Safe Mode to isolate and remove Virus Alert: Backdoor Virus Detected on your Computer
Step 2: 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:
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.Step 3: Find files created by Virus Alert: Backdoor Virus Detected on your Computer
For Windows 8, 8.1 and 10.
For Windows XP, Vista, and 7.For Newer Windows Operating Systems
1: On your keyboard press + R and write explorer.exe in the Run text box and then click on the Ok button.
2: Click on your PC from the quick access bar. This is usually an icon with a monitor and its name is either “My Computer”, “My PC” or “This PC” or whatever you have named it.
3: Navigate to the search box in the top-right of your PC’s screen and type “fileextension:” and after which type the file extension. If you are looking for malicious executables, an example may be “fileextension:exe”. After doing that, leave a space and type the file name you believe the malware has created. Here is how it may appear if your file has been found:
N.B. We recommend to wait for the green loading bar in the navination box to fill up in case the PC is looking for the file and hasn’t found it yet.
For Older Windows Operating Systems
In older Windows OS’s the conventional approach should be the effective one:
1: Click on the Start Menu icon (usually on your bottom-left) and then choose the Search preference.
2: After the search window appears, choose More Advanced Options from the search assistant box. Another way is by clicking on All Files and Folders.
3: After that type the name of the file you are looking for and click on the Search button. This might take some time after which results will appear. If you have found the malicious file, you may copy or open its location by right-clicking on it.
Now you should be able to discover any file on Windows as long as it is on your hard drive and is not concealed via special software.
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
Step 5 (Optional): Try to Restore Files Encrypted by Virus Alert: Backdoor Virus Detected on your Computer.
Ransomware infections and Virus Alert: Backdoor Virus Detected on your Computer aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.
For more “how-to” file recovery methods and steps, you can visit our instructive article on “How to Restore Files Encrypted by Ransomware (Without Decrypter)“.
Milena Dimitrova
An inspired writer and content manager who has been with SensorsTechForum for 4 years. Enjoys ‘Mr. Robot’ and fears ‘1984’. 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
Follow Me:
Preparation before removing Virus Alert: Backdoor Virus Detected on your Computer.
Before starting the actual removal process, we recommend that you do the following preparation steps.
- Make sure you have these instructions always open and in front of your eyes.
- Do a backup of all of your files, even if they could be damaged. You should back up your data with a cloud backup solution and insure your files against any type of loss, even from the most severe threats.
- Be patient as this could take a while.
Step 1: Boot Your PC In Safe Mode to isolate and remove Virus Alert: Backdoor Virus Detected on your Computer
Step 2: 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:
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.Step 3: Find files created by Virus Alert: Backdoor Virus Detected on your Computer
For Windows 8, 8.1 and 10. For Windows XP, Vista, and 7.For Newer Windows Operating Systems
1: On your keyboard press + R and write explorer.exe in the Run text box and then click on the Ok button.
2: Click on your PC from the quick access bar. This is usually an icon with a monitor and its name is either “My Computer”, “My PC” or “This PC” or whatever you have named it.
3: Navigate to the search box in the top-right of your PC’s screen and type “fileextension:” and after which type the file extension. If you are looking for malicious executables, an example may be “fileextension:exe”. After doing that, leave a space and type the file name you believe the malware has created. Here is how it may appear if your file has been found:
N.B. We recommend to wait for the green loading bar in the navination box to fill up in case the PC is looking for the file and hasn’t found it yet.
For Older Windows Operating Systems
In older Windows OS’s the conventional approach should be the effective one:
1: Click on the Start Menu icon (usually on your bottom-left) and then choose the Search preference.
2: After the search window appears, choose More Advanced Options from the search assistant box. Another way is by clicking on All Files and Folders.
3: After that type the name of the file you are looking for and click on the Search button. This might take some time after which results will appear. If you have found the malicious file, you may copy or open its location by right-clicking on it.
Now you should be able to discover any file on Windows as long as it is on your hard drive and is not concealed via special software.
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
Milena Dimitrova
An inspired writer and content manager who has been with SensorsTechForum for 4 years. Enjoys ‘Mr. Robot’ and fears ‘1984’. 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
Follow Me:
Preparation before removing Virus Alert: Backdoor Virus Detected on your Computer.
Before starting the actual removal process, we recommend that you do the following preparation steps.
- Make sure you have these instructions always open and in front of your eyes.
- Be patient as this could take a while.
Step 1: 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:
Follow the instructions above and you will successfully uninstall most programs.Step 2: Clean your Browsers from Virus Alert: Backdoor Virus Detected on your Computer.
Remove an extension from Mozilla Firefox
Remove an extension from Google Chrome
Remove an extension from Internet Explorer
Remove an extension from Microsoft Edge
2. Select the “Add-ons” icon from the menu.
3. Select the unwanted extension and click “Remove“
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.
2. Move the cursor over “Tools” and then from the extended menu choose “Extensions“
3. From the opened “Extensions” menu locate the unwanted extension and click on its “Remove” button.
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.
2. Click on the gear icon labeled ‘Tools’ to open the drop menu and select ‘Manage Add-ons’
3. In the ‘Manage Add-ons’ window.
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’.
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.
2. Open the drop menu by clicking on the icon at the top right corner.
3. From the drop menu select “Extensions”.
4. Choose the suspected malicious extension you want to remove and then click on the gear icon.
5. Remove the malicious extension by scrolling down and then clicking on Uninstall.
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:
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.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
Milena Dimitrova
An inspired writer and content manager who has been with SensorsTechForum for 4 years. Enjoys ‘Mr. Robot’ and fears ‘1984’. 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
Follow Me:
Preparation Phase:
Before starting to follow the steps below, be advised that you should first do the following preparations:
- Backup your files in case the worst happens.
- Make sure to have a device with these instructions on standy.
- Arm yourself with patience.
Step 1: Uninstall Virus Alert: Backdoor Virus Detected on your Computer and remove related files and objects
1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:
- 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:
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: Remove Virus Alert: Backdoor Virus Detected on your Computer – related extensions from Safari / Chrome / Firefox
Remove an extension from Safari and reset it.Remove a toolbar from Google Chrome Remove a toolbar from Mozilla Firefox
Step 3: Scan for and remove Virus Alert: Backdoor Virus Detected on your Computer files from your Mac
When you are facing problems on your Mac as a result of unwanted scripts and programs such as Virus Alert: Backdoor Virus Detected on your Computer, 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.
Milena Dimitrova
An inspired writer and content manager who has been with SensorsTechForum for 4 years. Enjoys ‘Mr. Robot’ and fears ‘1984’. 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
Follow Me:
