What is Wanna Decrypt0r 4.0? Why the files on your computer got replaced with “.WNCRY” extension? Why you are not able access your files? All these are the symptoms of Wanna Decrypt0r 4.0 ransomware present on the system. 

Wanna Decrypt0r 4.0 Ransomware Description

Name Wanna Decrypt0r 4.0 ransomware
Type Ransomware, file-encrypting malware
Risk level High
Description Wanna Decrypt0r 4.0 is a ransomware program that encrypts files, photos, videos and other important documents on the target system with unique key. The encrypted files are locked with “.WNCRY“. If user wants to recover their files then have to pay the ransom .
Occurrence Opening spam email attachments, Visiting suspicious pages and clicking on malicious links,  Browser Redirection to questionable sites or via other Trojans.
 Symptoms Denied access to most of the files on the system, desktop wallpaper changed to ransom wallpaper containing the ransom note.
Extension WNCRY
Ransom Note Wanna Decrypt0r 4.0
Ransom Demanded $50 in Bitcoin
Email: wannacry.decryptor_v4@protonmail.com

Run Free ScanTo eliminate Wanna Decrypt0r 4.0 virus on your computer.

The Wanna Decrypt0r 4.0 Ransomware is a file-encrypting malware designed to encrypt files on the target system. As a result the victims are restricted to open the files unless they provide the decryption key to unlock the files. In doing so, the victims get a pop-up message that their files are encrypted with Wanna Decrypt0r 4.0 and they need to buy the decryption toll from the authors.  This is how the ransomware users earns their profit.

This threat is firstly discovered by dnwls0719 . The threat belongs to the family of JigSaw Ransomware that is a persistent malware.

Method Of Propagation

There can several reasons, you got infected with this ransomware threat. Foremost vector used to distribute the payloads of the virus is spam emails. The mails are subjected as any invoice, fax, job offers or from any higher officials of the company. Once the user opens the infected attachment, the macro-enabled document starts automatically running the macros which downloads the infectious files on the system and further install it on the system. Other sources may also include, downloading pirated software, security flaws within the software, fake updates and exploit kits. Any of these can be responsible for infecting your system with Wanna Decrypt0r 4.0 Ransomware.

The Encryption Process

Once the Wanna Decrypt0r 4.0 Ransomware is installed successfully, it targets almost all file types to encrypt them to maximize the effect. For instance, documents, videos, audios, database, excels, photos and so on. The ransomware firstly scans for all these important documents and runs an encryption tool to lock the files with a unique key. After that, it renames the original file name with ransomware extension ‘.WNCRY’.

For instance, a file originally named ‘myhome.jpeg’, will be renamed to ‘myhome.jpeg.WNCRY.’ Similarly all the other files are also encrypted.

The Ransom Note

Like said earlier, the ransomware creates a random note named Wanna Decrypt0r 4.0 to inform users about the encryption and how they can recover their files. The note can be found in each of the folder where encryption occurred and within the desktop screen.

Wanna Decrypt0r 4.0

Wanna Decrypt0r 4.0

The Text within the Ransom Note is:

Wanna Decrypt0r 4.0


Ooops, your files have been encrypted!_

What Happened to My Computer?


Attention, please read the following information very carefully.

Your important files, photos, videos, documents, downloads and browsing history are encrypted and locked. They are no longer accessible.

We understand how important your files are, so that is why we have written instructions below in order to restore your files. To access your files again, you will need a custom decryption key which is only generated and provided by us. Your files cannot be recovered without this.

If you seek help from a computer technician, any attempt to move the decryptor will be detected. Subsequently, a computer technician cannot access your files without this decryption key.

Manual removal, restoring/turning your computer off or any attempts to remove the decryptor will result in permanent deletion of your files; these cannot be recovered. A custom decryptor key (that is generated by us) is the only way to access your files again. Furthermore, a portion of your files will be deleted every 60 minutes unless you comply with the below instructions.


Can I Recovery My Files?


We guarantee that you can recover all your files safely and easily. Firstly, you will need to send an email to: wannacry.decryptor_v4@protonmail.com with the subject line “Custom Decryption Key” alongside the date in which you got infected. Payment confirmation must be within email. You will receive a response with a custom decryption key which will allow you to access all of your files again.


How Can I Pay?

Payments are only accepted in Bitcoin. For further information on Bitcoin, click on “What is Bitcoin?” to the left. Payments may be negotiable after discussion.


Step 1: Go to hxxps://www.coinbase.com/ or another Bitcoin partner (a list of exchange sites can be found here: hxxps://bitcoin.org/en/exchanges#international).
Subsequently, if you already have a Bitcoin wallet, skip to ‘Step 4.’
Step 2: Create an account.
Step 3: Buy Bitcoins for the selected amount below (or negotiable amount).
Step 4: Send $30 worth of Bitcoin to the Bitcoin address below.
For further information on how to send Bitcoin, please watch the following: hxxps://www.youtube.com/watch?v=pRdUbNBsVgc


How can I trust that my files will be restored and that this threat is valid?

To ensure that we are true to our word, we can decrypt 2 files of choice for free; please send this to the above email address. If you do not believe the validity of this threat, we cannot convince you otherwise.


However, you have been warned that your files will be permanently deleted if the decryptor is manually removed, so please tread with caution. We do not want that to happen to you, so please do not take this threat lightly as we understand how important your files are. We guarantee that your files will be safely restored upon payment with no further threat or harm to your computer.
Caution in this variant the servers that check payments are under maintenance, therefor contact us by email if you make a payment


Please, send at least $50 worth of Bitcoin



Contact: wannacry.decryptor_v4@protonmail.com
Check Payment

1 file will be deleted.
View encrypted files
1. What Is Bitcoin?
2. Where can I buy Bitcoin?
3. How do I send Bitcoin?
4. What is WannaCry Ransomware?

Decrypt key

Decrypt Files

According to the note, the authors of the ransomware informs the victims about the encryption using strong сrуptо аlgоrithms. The files are encrypted with unique key using a special software, thus the victims have no other way to get back the access of their files and they need to pay the ransom to buy the decrytpion key. The victim are informed to contact the authors within one hour and complete the payment. The authors of the ransomware demand $50 in form of Bitcoin as a ransom fee. The victims can contact the authors for further information to the provided email address ‘wannacry.decryptor_v4@protonmail.com’. Along with that, the authors warns users not to contact any cyber Secuirty experts, as doing so will make them lose their files permanently.

According to the research, the ransomware threat also deletes the Shadow Volume copies of the files encrypted so that users may not be able to restore the files back. Wanna Decrypt0r 4.0 Ransomware makes various entries to the Windows Registry to allow its program to launch automatically. This also makes the manual removal of the threat and also helps to grant administrative permissions. If your files have got .Wanna Decrypt0r 4.0 extension, it means your device is infected with Wanna Decrypt0r 4.0 ransomware, and you should immediately remove it.

But security experts recommend not to pay the ransom, as the extortionist does not have any guarantee to provide the full-decryption key even after paying the ransom. Also, paying the ransom encourage such crimes and earn profit by illegal ways. You should remove the Wanna Decrypt0r 4.0 ransomware threat and try out other recovery methods given below.

How To Remove Wanna Decrypt0r 4.0 Ransomware virus Without Paying Ransom

In this guide, you will find removal instruction of Wanna Decrypt0r 4.0 Ransomware virus both manually and using anti-malware tool. At times, virus does not allow the installation or scanning of anti-virus program, so you need to switch to “safe mode with networking”. After that you can try recovery of your data if you have any backup or we have listed some methods which may help you to recover some of your data.

Use HitmanPro.Alert To Remove Wanna Decrypt0r 4.0 Ransomware(Recommended)”




HitmanPro.Alert is an advanced anti-malware program that takes on proactive approach towards threat behavior and its activities. Its cloud-based scanning technique is deeply scans the system to the possible locations where threats mostly resides. This is a real-time malware program that delivers protection from latest threat, crypto-malware, ransomware, exploits, spyware, risks related to online transactions.

HitmanPro.Alert is best-in-class that provides various advanced features like:

  • Safe Browsing;
  • Exploit Mitigation;
  • Risk reduction:
  • Key-loggers Protection and many such.

Running HitmanPro.Alert on your computer will provide your real-time status, checks the browser integrity and alerts or any suspicious activity. So that you can have a safe browsing and online transactions. Read the full review of HitmanPro.Alert here.

Steps To Install And Run HitmanPro.Alert

      • Click on the provided link to download HitmanPro.Alert anti-malware;
        HitManPro.Alert Step1

        HitManPro.Alert Step1

      • Now, open the download folder or where your program is downloaded to locate “hmpalert3”;
        HitmanPro.Alert Step 2

        HitmanPro.Alert Step 2

      • Click on it, to begin the installation;
      • It will ask your User Account control, if prompted click on “yes”;
      • The download should begin shortly. HitmanPro.Alert window will appear, where you need to choose the options:
        HitManPro.Alert Step3

        HitManPro.Alert Step3

        Choose Protection level as Maximum
        And tick the other boxes and finally click on “Install”.
        HitmanPro.Alert only takes 5MB of your memory and is very quick to install.

        HitManPro.Alert Step4

        HitManPro.Alert Step4

      • After the installation is complete, the scan will start. First scan may take up some minutes, as it will scan the whole computer.
        HitmanPro.Alert step 4

        HitmanPro.Alert step 4

      • The scan results are displayed. Carefully look down the list. You can here, the scan has found 1 Riskware and thousands of traces which can be risky.
        HitmanPro.Alert step 5

        HitmanPro.Alert step 5

      • You can select the threat to delete, quranantize, ignore or, mark as safe. If you want to remove all the threats, then simply click on the “Next” button below.
        HitmanPro.Alert step 6

        HitmanPro.Alert step 6

      • HitmanPro.Alert first creates a restore point and then starts the removal process. This helps to recover from any damage.
        HitmanPro.Alert step 7

        HitmanPro.Alert step 7

So, now you are done, with the removal process with HitmanPro.Alert.

Manually Find And Remove Wanna Decrypt0r 4.0 (Recommended Only For Advanced Users)

The manual steps guided below are the links separately made with caution, to avoid any confusion to our readers. Please follow the links below and perform them one by one. If you are going for the manual removal process, then we recommend you to print/download these instructions or open it from another uninfected computer or laptop and follow step-by-step manual removal instruction. Windows OS PDF Guide.

Method 1: Remove Wanna Decrypt0r 4.0 Ransomware and its associated files from the computer through safe mode with command prompt.

  1. Reboot your computer toSafe Mode with Command Prompt”
  2. End malicious process from “Task Manager
    1. Disable Auto-Startup Apps
    2. Remove Unwanted Programs From Scheduled Tasks
    3. Delete Temp Data and Prefetch
    4. Deleting “Registry Entries created by the Ransomware threat
  3. Deep Scan the infected computer to ensure complete removal (Recommended)

Click here to perform the step-by-step manual removal procedure.

Method 2: Remove Wanna Decrypt0r 4.0 Ransomware virus using System Restore Procedure

After that, the ransomware threat should go, but if it is still there, then you need to try another method which is the “System Restore”. Click here to perform System Restore in Windows OS.

How to Restore the Encrypted Files?

Click here to know How you can restore the encrypted file.

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