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WanaCry4 ransomware virus. How to remove? (Uninstall guide)

removal by Gabriel E. Hall - - | Type: Ransomware
12

WanaCry4 continues malicious tasks of the CryptoWire ransomware

The ransom note by WanaCry4

WanaCry4 is a new variant of CryptoWire. Nevertheless, it uses the name of WannaCry; they are not related. This recent cyber threat is an open-source ransomware that is executed from WanaCry6.4.exe.

According to the latest research data, the WanaCry4 virus seems to use AES encryption algorithm and append .encrypted file extension. Malware renames files by following this pattern :[original-filename].encrypted[extension].

Following data encryption, WanaCry4 ransomware delivers a program window that informs about encrypted files and notes that the only way to get back access to them is to pay $1000 in Bitcoins within 72 hours. To obtain the virtual currency, victims have to click “Buy Bitcoins: button and follow the instructions there.

Once the transaction is made, they have to contact authors of the ransomware via email shadowbroker_1@protonmail.com. However, you may never receive a decryption key from them. Therefore, you should not risk loosing your money.


Instead of paying the ransom, obtain a reputable antivirus or malware elimination software, such as Reimage or Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus. It will help to remove WanaCry4 from the PC safely. Crypto-malware is a malicious program that makes the system vulnerable. Therefore, you should take care of your computer at least.

Currently, data recovery may not be possible. However, if you have backups, you can use them after WanaCry4 removal. What is more, at the end of the article, you can find alternative recovery methods that might be useful as well.

Spam emails, malicious ads and illegal downloads might spread the file-encrypting virus

Authors of this cyber infection might use multiple methods to spread malware payload. Ransomware might attack your device by using one of these methods:

  • emails containing malicious attachments, links or buttons;
  • eye-catching ads placed on dangerous and legal websites;[1]
  • illegal/fake downloads or updates;
  • exploit kits.[2]

As you can see, most of the time cyber criminals trick victims into downloading malicious content themselves. However, you should also update software and operating system to avoid the attack. Security experts from the LesVirus[3] note that installing security software and creating backups are crucial in malware prevention.

Security software is necessary for WanaCry4 elimination

In order to remove WanaCry4 from the PC entirely, you have to use reputable malware removal tool, such as Reimage, Malwarebytes Anti Malware or Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus. You have to run a full system scan with an updated software several times to be sure that all malicious entries are wiped out entirely.

However, if you cannot run automatic WanaCry4 removal, you have to follow the instructions below. They will show what actions you have to take in order to disable the virus and uninstall it automatically.

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If you failed to remove infection using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to uninstall WanaCry4 ransomware virus. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.
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Manual WanaCry4 virus Removal Guide:

Remove WanaCry4 using Safe Mode with Networking

If you cannot start automatic WanaCry4 elimination, follow these steps:

  • Step 1: Reboot your computer to Safe Mode with Networking

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Safe Mode with Networking from the list Select 'Safe Mode with Networking'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Networking in Startup Settings window. Select 'Enable Safe Mode with Networking'
  • Step 2: Remove WanaCry4

    Log in to your infected account and start the browser. Download Reimage or other legitimate anti-spyware program. Update it before a full system scan and remove malicious files that belong to your ransomware and complete WanaCry4 removal.

If your ransomware is blocking Safe Mode with Networking, try further method.

Remove WanaCry4 using System Restore

This method might also help to disable the virus:

  • Step 1: Reboot your computer to Safe Mode with Command Prompt

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Command Prompt from the list Select 'Safe Mode with Command Prompt'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Command Prompt in Startup Settings window. Select 'Enable Safe Mode with Command Prompt'
  • Step 2: Restore your system files and settings
    1. Once the Command Prompt window shows up, enter cd restore and click Enter. Enter 'cd restore' without quotes and press 'Enter'
    2. Now type rstrui.exe and press Enter again.. Enter 'rstrui.exe' without quotes and press 'Enter'
    3. When a new window shows up, click Next and select your restore point that is prior the infiltration of WanaCry4. After doing that, click Next. When 'System Restore' window shows up, select 'Next' Select your restore point and click 'Next'
    4. Now click Yes to start system restore. Click 'Yes' and start system restore
    Once you restore your system to a previous date, download and scan your computer with Reimage and make sure that WanaCry4 removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove WanaCry4 from your computer. To recover your encrypted files, we recommend using a detailed guide prepared by 2-spyware.com security experts.

If your files are encrypted by WanaCry4, you can use several methods to restore them:

Data Recovery Pro – automatic recovery method

This professional software helps to recover deleted, corrupted and some of the encrypted files.

Try Windows Previous Versions feature

This Windows feature allows copying individual files that were saved before WanaCry4 attack.

  • Find an encrypted file you need to restore and right-click on it;
  • Select “Properties” and go to “Previous versions” tab;
  • Here, check each of available copies of the file in “Folder versions”. You should select the version you want to recover and click “Restore”.

ShadowExplorer for data recovery

If malware failed to delete Shadow Volume Copies of the targeted files, this tool might be helpful.

  • Download Shadow Explorer (http://shadowexplorer.com/);
  • Follow a Shadow Explorer Setup Wizard and install this application on your computer;
  • Launch the program and go through the drop down menu on the top left corner to select the disk of your encrypted data. Check what folders are there;
  • Right-click on the folder you want to restore and select “Export”. You can also select where you want it to be stored.

WanaCry4 decryptor is not available yet.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from WanaCry4 and other ransomwares, use a reputable anti-spyware, such as Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware

About the author

Gabriel E. Hall
Gabriel E. Hall - Passionate web researcher

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References