Is Glupteba a Trojan? Can Glupteba exploit your router? Can Glupteba get back after its removed?
Glupteba is the name of a Trojan horse previously detected by cybersecurity experts and known to mine the Monero cryptocurrency, act like a password and data stealer. The current version of the Glupteba Trojan horse has evolved. Recently it has been documented that the malicious authors behind the Trojan have kept it alive and running by using Bitcoin via an Electrum wallet. The Trojan is made to drop a few malicious parts inside a victim’s computer while exploiting the nearest router of the compromised network. The Glupteba Trojan got inside your machine without your permission and could try to steal credential data and personal information. It is in your best interest to remove the Glupteba Trojan as fast as possible.
|Type||Trojan Horse, Miner Malware|
|Short Description||Glupteba is a Trojan horse that can mine cryptocurrency, steal passwords and other data and exploit routers and other devices over a network.|
|Symptoms||You may see a rise in the usage of your computer’s resources like CPU, RAM or GPU, while your computer will accordingly consume more electric power and may even overheat if a cryptocurrency miner is involved.|
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|User Experience||Join Our Forum to Discuss Glupteba.|
Glupteba Trojan – Distribution Information and What Actions To Take To Prevent It From Compromising A Network?
The Glupteba Trojan malware could spread through a few methods, the most effective of which is explained in the following paragraphs.
How the process works in chronological order – the authors send Bitcoin transactions via a designated Electrum Bitcoin wallet, which was threatened by a prolific phishing campaign in the past. Glupteba, programmed with a hardcoded ScriptHash string, then makes its way via a public list of Electrum servers to find every transaction made by the cybercriminals.
Inside said transactions lies the OP_RETURN command data which contains an encrypted Command and Control domain. The ScriptHash string is set to decrypt the data once it has been received. This acts as a re-pinging to the host, with each new Bitcoin transaction making a new C&C connection.
The process is also showcased in the below infographic made by TrendMicro:
As clever this might be, if you do not click on suspicious and unknown links from emails and notifications, you should be safe. As the attack exploits routers on an infected network, make sure the firmware of your router is the latest version and always update it regularly.
The Glupteba Trojan might also be delivered via exploit kits or in other ways, but that is unknown for the time being.
Malware researchers from Norton have also delved deep inside the Glupteba Trojan. After Glupteba Trojan gets inside your machine without your permission, said malware sets a few parts in different places of your computer. For example, the mutex Global\MD7H82HHF7EH2D73 is created, but not before the following actions have been executed:
The following files are placed inside a victim computer system:
- %UserProfile%\Local Settings\Application Data\NVIDIA Corporation\Updates\NvdUpd.exe
- %UserProfile%\Local Settings\Application Data\NVIDIA Corporation\Updates\NvdUpd.exe.bak
After the files, the following registry entries are created (the last of which is to maintain persistence and load the malware after each Windows start) :
→HKEY_CURRENT_USER\Software\NVIDIA Corporation\Global\nvUpdSrv\”value” = “[GENERIC NUMBER]”
→HKEY_CURRENT_USER\Software\NVIDIA Corporation\Global\nvUpdSrv\”GUID” = “[GENERIC GUID]”
→HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\”NvUpdSrv” = “%UserProfile%\Local Settings\Application Data\NVIDIA Corporation\Updates\NvdUpd.exe”
Below you can see some useful tips that can help you to prevent similar Trojan malware from installing onto your PC, in the future:
- Run programs inside a sandbox environment
- Install an advanced anti-malware protection
- Update your mostly-used programs and software in general
- Update your OS with security updates
- Install an ad-blocker application
- Be wary around your e-mails and don’t open them unless you know the source
- Disable macros in Microsoft Office Applications
- Keep your firewall ON
Glupteba Trojan will probably try to extract as much information as possible based on its capabilities and try to propagate further on a network to access other devices. It is highly recommend that you remove the malware threat, because the Glupteba Trojan because its purpose it to open your computer for other malware threats to access it.
Remove Glupteba Trojan Completely
To remove Glupteba Trojan manually from your computer, follow the step-by-step removal tutorial written down below. In case this manual removal does not get rid of the miner malware completely, you should search for and remove any leftover items with an advanced anti-malware tool. Such software can keep your computer secure in the future.
- Guide 1: How to Remove Glupteba from Windows.
- Guide 2: Get rid of Glupteba on Mac OS X.
- Guide 3: Remove Glupteba in Google Chrome.
- Guide 4: Erase Glupteba from Mozilla Firefox.
- Guide 5: Uninstall Glupteba from Microsoft Edge.
- Guide 6: Remove Glupteba from Safari.
- Guide 7: Eliminate Glupteba from Internet Explorer.
- Guide 8: Disable Glupteba Push Notifications in Your Browsers.
How to Remove Glupteba from Windows.
Step 1: Boot Your PC In Safe Mode to isolate and remove Glupteba
Step 2: Uninstall Glupteba 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.
Step 3: Clean any registries, created by Glupteba on your computer.
The usually targeted registries of Windows machines are the following:
You can access them by opening the Windows registry editor and deleting any values, created by Glupteba there. This can happen by following the steps underneath:
Get rid of Glupteba from Mac OS X.
Step 1: Uninstall Glupteba 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 Glupteba 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:
Tip: ~ is there on purpose, because it leads to more LaunchAgents.
Step 2: Scan for and remove Glupteba files from your Mac
When you are facing problems on your Mac as a result of unwanted scripts and programs such as Glupteba, 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.
Remove Glupteba 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.
Erase Glupteba 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.
Uninstall Glupteba 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.
Remove Glupteba 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 Glupteba will be removed.
Eliminate Glupteba 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.
Remove Push Notifications caused by Glupteba from Your Browsers.
Turn Off Push Notifications from Google Chrome
To disable any Push Notices from Google Chrome browser, please follow the steps below:
Step 1: Go to Settings in Chrome.
Step 2: In Settings, select “Advanced Settings”:
Step 3: Click “Content Settings”:
Step 4: Open “Notifications”:
Step 5: Click the three dots and choose Block, Edit or Remove options:
Remove Push Notifications on Firefox
Step 1: Go to Firefox Options.
Step 2: Go to “Settings”, type “notifications” in the search bar and click "Settings":
Step 3: Click “Remove” on any site you wish notifications gone and click “Save Changes”
Stop Push Notifications on Opera
Step 1: In Opera, press ALT+P to go to Settings
Step 2: In Setting search, type “Content” to go to Content Settings.
Step 3: Open Notifications:
Step 4: Do the same as you did with Google Chrome (explained below):
Eliminate Push Notifications on Safari
Step 1: Open Safari Preferences.
Step 2: Choose the domain from where you like push pop-ups gone and change to "Deny" from "Allow".