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

removal by Jake Doevan - - | Type: Ransomware
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WannaCrypt virus updated: developers removed ransomware kill-switch

WannaCrypt virus is a malicious computer program that is set to corrupt files on Windows OS except Windows 10[1]. It usually adds .wcry, .wncry, or .wncrypt file extensions to files that it distorts. Although the ransomware hit the headlines after May 12, 2017, when it was used in a massive cyber attack that affected over 230,000 computers[2] worldwide, versions of it were spotted back in February. The virus has quite a lot of different names, including Wcrypt, WannaCryptorWana Decrypt0r 2.0 and even more, however, the name that draws everyone’s attention the most is WannaCry and the second version of it. The malicious program is extremely dangerous, and PC users should take whatever it takes to protect their computers because as soon as this virus enters the system, it encrypts files using an AES-128 cipher, meaning it is no longer possible to open or edit them. Although such attack can bring painful consequences, companies affected by it can lose years of work and experience financial losses, because the virus tends to replicate itself on connected computers and damage data stored on them as well[3].

WannaCrypt ransomware

Unfortunately, virus successfully attacked some giant companies such as Telefonica[4], England’s National Health Service, and dozens of other companies. The ransomware typically asks to pay $300 per computer if the ransom is paid within three days or $600 later on. The virus promises to delete all data on the computer if the PC user refuses to pay up or fails to collect the required amount of money in 7 days. However, we do not suggest paying the ransom because the criminals might not help you to restore your data. Besides, if you pay, you would fund further ransomware projects, meaning that you can be infected again. Cyber criminals have already earned a whopping $50k[5], and such sum can be used for evil purposes again. Therefore, if your files were corrupted, we suggest you start thinking about WannaCrypt removal. We usually recommend using anti-malware programs like Reimage or Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus to delete the malware with ease.

Essential facts to know about ransomware distribution

WannaCrypt ransomware differs from typical malware variants because it uses a more sophisticated trick to attack Windows computer systems. The cyber attack launched on May 12, 2017, managed to hit over 150 countries. Experts suggest an explanation why the ransomware has proliferated so rapidly – although the majority of malware samples reached victims with the help of phishing emails, the primary infection vector was EternalBlue exploit combined with DoublePulsar backdoor, which was developed by U.S. NSA. These tools helped the ransomware spread through connected computers and corrupt data stored on them. No matter if you have been infected with this ransomware or not, we highly suggest reading these tips on how to survive the WannaCrypt0r attack. If you are using a computer running Windows 10, most likely you won’t fall victim to this ransomware. However, older versions of the indicated operating system proved to be vulnerable to the ransomware. For this reason, Microsoft has issued certain security updates to address security vulnerabilities in Windows OS. It is highly advisable to install MS17-010. Learn more about ransomware prevention methods.

Remove WannaCrypt malware from affected computers

The first and foremost thing that you should do if your computer has been affected is to remove WannaCrypt virus as soon as possible. If you were infected, shut down the computer until you find out how to complete WannaCrypt removal. We have provided comprehensive instructions on how to boot your PC to disable the ransomware temporarily. You should start your PC in a Safe Mode because this way you will be able to use your security software (after booting the computer into the Safe Mode, update your security software or install a preferred one). We have also provided in-detail data recovery guidelines for those who do not have a data backup.

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What to do if failed?
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 WannaCrypt 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.

More information about this program can be found in Reimage review.

More information about this program can be found in Reimage review.

Manual WannaCrypt virus Removal Guide:

Remove WannaCrypt using Safe Mode with Networking

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

Prepare your PC for to remove WannaDecrypt0r and other ransomware remains. Reboot your PC into the described mode using this guide.

  • 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 WannaCrypt

    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 WannaCrypt removal.

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

Remove WannaCrypt using System Restore

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

  • 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 WannaCrypt. 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 WannaCrypt removal is performed successfully.

Bonus: Recover your data

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

Speaking of data recovery options, backup is the only 100% efficient solution. We do not recommend paying the ransom to cyber criminals because it doesn’t necessarily guarantee that your files will be restored. There are some data recovery methods that we suggest using.

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

Start Data Recovery Pro

Data Recovery Pro is an excellent software meant to restore corrupted or deleted files. It might not succeed to decrypt your files, but we definitely recommend giving this software a try.

Advantages of System Restore Point

System Restore Point creates a possibility to restore previous file versions in case the original ones get corrupted. Follow these steps to restore individual records (if you have a system restore point, of course).

  • 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”.

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

About the author

Jake Doevan
Jake Doevan - Computer technology expert

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References