THREAT REMOVAL

WDF.EXE Crypto Miner Trojan Virus – How to Remove It

This article aims to help you by providing information on how to remove the newly detected WDF.EXE malicious application which uses your CPU to mine for cryptocurrenices.

A new malicious process, resembling WDF Sound driver for Windows has been reported to be harmful and misleading by security experts. The virus has the one and the only purpose to use your computer’s resources in order to mine for cryptocurrencies. Since the malware, associated with the process is a Trojan Horse, it may also install other miners on your computer, such as NvProfileUpdater64.exe miner that has also been reported to go along with it. If you see any hint of either WDF.EXE or NvProfileUpdater64.exe miner Trojans, we advise you to immediately remove them from your computer.

Threat Summary

Name WDF.EXE
Type Cryptocurrency Miner Malware / Trojan Horse
Short Description Aims to mine for cryptocurrencies at the expense of your computer’s CPU.
Symptoms Drops suspicious processes on your computer system after which overloads your CPU, by using it’s resources.
Distribution Method Via malicious web links, fake installers of programs or malicious e-mail attachments.
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WDF.EXE – Infection Methods

In order to infect a computer successfully the malicious file causing the infection with WDF.EXE malware may use techniques which bypass conventional antivirus detections, such as:

  • Flash player exploits.
  • RDP execution techniques.
  • Malware obfuscation code embedded in it.

It may be spread via different methods, such as being sent out as a part of a massive e-mail spam campaign in the form of an e-mail attachment. Such e-mails often pretend to be from reputable companies, like PayPal, Dropbox, eBay and so on. The e-mails themselves are carefully created so that they fool you that the attached file is very important and you should immediately download it. The often used deception techniques are that the file is:

  • A receipt from a purchase which the victim may or may not have made.
  • A banking statement file, explaining suspicious activity on the victim’s bank account.
  • An invoice, letter of confirmation or any type of seemingly important document.

Once the victim is tricked into opening the infection file, the infection takes place. In many cases, the file itself may be concealed as a .docm or .docx Microsoft Word documents with embedded malicious Macros within them, that cause the infection after their content has been enabled for editing.

Besides via e-mail, the WDF.EXE miner malware may also infect your computer by simply pretending to be an installer of a program you are looking to download for free online. There have also been reports of malware, like WDF.EXE being slithered onto victims’ computers, posing as key generators, game patches, game cracks and other files of such type.

WDF.EXE Trojan – More Information

As soon as the Bitcoin virus WDF.EXE Trojan has been executed on the victim’s computer, it drops the WDF.EXE file in the %system32% directory in %Windows% The file’s decryption is WDF Sound and services may appear on the infected computer, called NVIDIA Driver Profile Updater and WDF Sound. In addition to this, the WDF.EXE process is loaded in the Windows task managed and begins consuming a lot of the CPU power of the computer. This results in the following symptoms:

  • Programs launch and perform much slower than usual.
  • Windows maximizes and minimizes applications much slower.
  • The computer may freeze at times.
  • Videos may run with interruptions.

Furthermore, since the WDF.EXE process is associated with a Trojan Horse, it may also perform other malicious activities on the victim’s computer. These may usually be:

  • Stealing key strokes on the infected computer and logging them.
  • Obtaining information from your browser, like passwords and financial credentials.
  • Stealing your system and network information.

Since it may also install another miner in its folder, named WDF in the %Windows% directory, going by the named of taskmon.exe, this virus may additionally bring harm to your video card as well and use your PC to mine for more than one cryptocurrency. Immediate removal on detection is strongly recommended.

How to Remove WDF.EXE CryptoCurrency Miner Malware

In order to remove this mining Trojan from your PC, you can follow the removal steps below. They are divided in Manual and Automatic removal instructions. Since manual removal may leave behind malicious files and unchanged settings, malware experts strongly recommend you to use an advanced anti-malware software in order to scan for and detect all objects and settings on your computer, related to WDF.EXE miner Trojan and remove them. Installing such software on your computer will also help you remove other malware if detected and protect your computer against any future intrusions.

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Ventsislav Krastev

Ventsislav is a cybersecurity expert at SensorsTechForum since 2015. He has been researching, covering, helping victims with the latest malware infections plus testing and reviewing software and the newest tech developments. Having graduated Marketing as well, Ventsislav also has passion for learning new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management, Network Administration and Computer Administration of System Applications, he found his true calling within the cybersecrurity industry and is a strong believer in the education of every user towards online safety and security.

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

How to Remove WDF.EXE from Windows.


Step 1: Boot Your PC In Safe Mode to isolate and remove WDF.EXE

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 WDF.EXE 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 WDF.EXE 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 WDF.EXE 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 WDF.EXE 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 WDF.EXE from Mac OS X.


Step 1: Uninstall WDF.EXE 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 WDF.EXE:

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 WDF.EXE. 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 WDF.EXE. 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 WDF.EXE 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 WDF.EXE. 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 WDF.EXE 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 WDF.EXE 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 WDF.EXE 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 WDF.EXE 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 WDF.EXE 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 WDF.EXE 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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