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WannaCash ransomware. How to remove? (Uninstall guide)

removal by Alice Woods - - | Type: Ransomware

WannaCash is a ransomware which encodes data and demands to transfer the ransom to Yandex wallet

WannaCash ransomware image
WannaCash is a ransomware-type infection which targets Russian-speaking computer users.

WannaCash ransomware is a file-encrypting virus which targets Russian-speaking people. The victimized files are encrypted with AES 256 algorithm and users are demanded to pay 4999 Rubles for the WannaCash decryption software. Additionally, the payment must be transferred to Yandex[1] wallet which is one of the biggest electronic payment platforms in Russia. However, our security researchers note that there are alternative ways how you can recover files encrypted by WannaCash virus without paying the ransom. For that, check instructions at the end of this article. 

Name WannaCash
Type Ransomware
Cryptography AES 256
Amount of the ransom 4999 RUB
Payment platform used Yandex.Money
Targets People located in Russia
rELATED FILES lock.exe; keys.exe; key.txt; Decrypt files.txt; chrome.zip;
Distribution Might come hidden inside the malicious attachment via spam emails
Elimination You should get rid of WannaCash virus and other similar sophisticated infections with professional tools, like Reimage

Usually, infections like WannaCash ransomware reach the targeted systems via email. They might come hidden inside the letters as innocent attachments which are hard to identify. Once WannaCash virus settles on the system, it starts encrypting the most widely used files on the computer, including the following ones:

  • .doc; .docx; .xls; .xlsx; .xlst; .ppt; .pptx; .rtf; .pub; .pps; .ppsm; .pot; .pages;
  • .indd; .odt; .ods; .pdf; .zip; .rar; .7z; .jpg; .png;
  • .mp4; .mov; .avi; .mpeg; .flv; .psd; .psb;

The ransom note by WannaCash virus is dropped after a successful data encryption[2]. People are asked to pay 4999 RUB for WannaCash decryption software. Additionally, they are urged to do so as the criminals claim that there is not much time left. Otherwise, random data will be deleted after every 10 minutes. However, people should not fall for these deceptive promises. 

WannaCash ransomware similar to other cyber threats is designed to generate illegal profits. People are tricked to obey the rules of the attackers which might lead to financial losses rather than effective WannaCash decryptor. Thus, our experts do not recommend you to agree to pay the ransom.

Instead, you should remove WannaCash ransomware from your system to avoid further damage. For that, only professional tools can help you as there are numerous components related to WannaCash virus which can be hidden inside your PC. You must get rid of them all if you want to protect your computer successfully. Get Reimage right now!

After the antivirus completes WannaCash ransomware removal, you will be able to start thinking about data recovery. We have prepared multiple methods which can help you retrieve all or even individual files encrypted by WannaCash ransomware. The list of effective data recovery tools is presented at the end of this article.

Spam email attachments might hide the payload of ransomware

Even though inbox might seem like a safe place, criminals distribute infected emails to spread cyber threats. Usually, the malware comes as an attachment which might mimic innocent documents, such as invoices or shopping receipts. Users who fail to identify an infection and open the attachment infiltrate a file-encrypting virus on their systems. 

Likewise, it is vital to monitor your inbox. Always be cautious that cybercriminals disguise as well-known companies or brands to trick novice PC users. Never open any suspicious attachments and if you have any doubts about the legitimacy of the letter, contact the company directly and ask for confirmation. 

Terminating WannaCash ransomware virus safely

Virusi.bg[3] team warns that since ransomware-type infections are highly advanced, they are programmed to stay persistent. It is not only hard to remove WannaCash ransomware by yourself but also might be dangerous. You can either damage your system or the malware might reappear in the future. 

Thus, only automatic WannaCash ransomware removal process is safe. For that, you should install reliable security tools, such as Reimage, or Plumbytes Anti-MalwareMalwarebytes Malwarebytes. They will help you detect and uninstall all ransomware-related components and clean the system from other cyber threats. 

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What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. 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.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Malwarebytes.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove WannaCash virus, follow these steps:

Remove WannaCash using Safe Mode with Networking

Booting your system into Safe Mode can help you disable the virus.

  • 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 WannaCash

    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 WannaCash removal.

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

Remove WannaCash using System Restore

  • 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 WannaCash. 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 WannaCash removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove WannaCash 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 WannaCash, you can use several methods to restore them:

Retrieve corrupted files with Data Recovery Pro

This professional software was primarily developed to recover deleted or damaged data after the system crash. However, experts note that it might be useful in case of ransomware as well.

  • Download Data Recovery Pro;
  • Follow the steps of Data Recovery Setup and install the program on your computer;
  • Launch it and scan your computer for files encrypted by WannaCash ransomware;
  • Restore them.

Get back data with Windows Previous Versions Feature

The first thing to do before using this option is to check whether the System Restore function was enabled before.

  • 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”.

Using ShadowExplorer to recover encrypted files

ShadowExplorer software is an excellent method to recover compromised data if the ransomware hasn't deleted Shadow Volume Copies from the system.

  • 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.

Professional WannaCash decryptor is still in-development.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from WannaCash and other ransomwares, use a reputable anti-spyware, such as Reimage, Malwarebytes MalwarebytesCombo Cleaner or Plumbytes Anti-MalwareMalwarebytes Malwarebytes

About the author

Alice Woods
Alice Woods - Likes to teach users about virus prevention

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