What is Extenbro? How to remove Extenbro Trojan from your PC or Mac?
The Extenbro Trojan is a dangerous malware threat which is designed for Microsoft Windows computers. It can be acquired from various sources, every attack campaign can focus on one specific tactic. Usually virus infections like this one are made by interacting with an infected file — this can be either a macro-infected document or a hacker-made software installer. They are often made by taking the legitimate files from their official sources and modifying them with the necessary virus code. Other data can also be affected. All kinds of other data may be used as well — this includes malicious plugins for web browsers and etc. In other cases the hackers can use a direct attacks that will look for system vulnerabilities and weaknesses. If any are found then the Extenbro Trojan will be installed.
This particular threat is known for being spread using a multitude of weaknesses. It is set against both end users and servers. After the infection has been made the Extenbro Trojan can download other threats, launch multiple dangerous modules and install a cryptocurrency miner which will run a sequence of performance-demanding tasks.
Threat Summary
| Name | Extenbro Trojan |
| Type | Malware, Trojan, Miner |
| Short Description | A dangerous malware which can launch a miner and start a Trojan module. |
| Symptoms | The victims may notice performance issues and can get infected with other malware. |
| Distribution Method | Common distribution tactics and direct web attacks. |
| Detection Tool |
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User Experience | Join Our Forum to Discuss Extenbro Trojan. |
Extenbro – How Did I Get It
The Extenbro Trojan is primarily being distributed through file carriers, the majority of which are malware application installers of popular applications. This is done by taking the legitimate files from their official sources and modifying them with the necessary code. Common examples are productivity tools, office apps, creativity suites and etc.
Another approach that may be used by the victims is the integration of the virus code in documents across all popular types: spreadsheets, presentations, databases and text files. When they are opened a prompt will ask the victims to enable the built-in content, this will lead to the infection.
Some of the captured samples associated with this threat have been found to be deployed by another Trojan called IStartSurf which by itself can also be found on various locations such as the following:
- File-Sharing Networks — The malware samples can be distributed over platforms like BitTorrent which are widely used to spread both legitimate and pirate content.
- Browser Hijackers — The criminals can also construct dangerous plugins made compatible with most web browsers. They are widely found on their associated repositories with fake user reviews and developers.
- Online Posts — A large of contemporary hacks happen due to the interaction with the content posted by fake profiles on social networks, forums, chats and etc.
Extenbro – What Does It Do
The Extenbro Trojan will start its built-in behavior pattern as soon as the infection has started. One of the most apparent signs of infection is the DNS changer which will automatically relay all website requests to a hacker-controlled server. This means that the hackers will be able to track what the users search for in real time. Other consequences include slow-downs of Internet viewing and the inability to access certain pages.
The Extenbro Trojan will start its built-in behavior pattern as soon as the infection has started. One of the most apparent signs of infection is the DNS changer which will automatically relay all website requests to a hacker-controlled server. This means that the hackers will be able to track what the users search for in real time. Other consequences include slow-downs of Internet viewing and the inability to access certain pages.
Another consequence of having the malware installed is that it will install a root certificate which will automatically enable the infected computers to accept all kinds of other threats. The infections have been found to disable IPv6 connectivity which can cause serious disruptions to the Internet access.
As this threat by design is a Trojan it will establish a secure connection to hacker-controlled servers which will allow the criminals to spy on the victims in real-time, harvest their information and take over control of their computers.
Depending on the local conditions any other malware actions can take place. This is the reason why we advice all users to use a professional-grade anti-spyware solution in order to protect themselves from it.
How to Remove Extenbro Trojan
In order to fully remove Extenbro from your computer system, we recommend that you follow the removal instructions underneath this article. If the first two manual removal steps do not seem to work and you still see Extenbro or programs, related to it, we suggest what most security experts advise – to download and run a scan of your comptuer with a reputable anti-malware program. Downloading this software will not only save you some time, but will remove all of Extenbro files and programs related to it and will protect your computer against such intrusive apps and malware in the future.
Martin Beltov
Martin graduated with a degree in Publishing from Sofia University. As a cyber security enthusiast he enjoys writing about the latest threats and mechanisms of intrusion.
Follow Me:
- Guide 1: How to Remove Extenbro Trojan from Windows.
- Guide 2: Get rid of Extenbro Trojan from Mac OS X.
- Guide 3: Remove Extenbro Trojan from Google Chrome.
- Guide 4: Erase Extenbro Trojan from Mozilla Firefox.
- Guide 5: Uninstall Extenbro Trojan from Microsoft Edge.
- Guide 6: Remove Extenbro Trojan from Safari.
- Guide 7: Eliminate Extenbro Trojan from Internet Explorer.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
How to Remove Extenbro Trojan from Windows.
Step 1: Boot Your PC In Safe Mode to isolate and remove Extenbro Trojan
Step 2: Uninstall Extenbro Trojan 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 3: Clean any registries, created by Extenbro Trojan 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 Extenbro Trojan 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.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
Get rid of Extenbro Trojan from Mac OS X.
Step 1: Uninstall Extenbro Trojan 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 Extenbro Trojan 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: Scan for and remove Extenbro Trojan files from your Mac
When you are facing problems on your Mac as a result of unwanted scripts and programs such as Extenbro Trojan, the recommended way of eliminating the threat is by using an anti-malware program. SpyHunter for Mac 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 Extenbro Trojan 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 Extenbro Trojan 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 Extenbro Trojan 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 Extenbro Trojan 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".
Step 4: After that, select the 'Extensions' Tab.
Step 5: Click once on the extension you want to remove.
Step 6: Click 'Uninstall'.
A pop-up window will appear asking for confirmation to uninstall the extension. Select 'Uninstall' again, and the Extenbro Trojan will be removed.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
Eliminate Extenbro Trojan 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.
