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WanaCrypt0r ransomware virus. How to remove? (Uninstall guide)

removal by Lucia Danes - - | Type: Ransomware
12

WanaCrypt0r puts world healthcare and telecommunication organizations into panic mode

WanaCrypt0r virus is an encryption malware or the so-called ransomware [1] which is rapidly spreading through private computers and corporate networks [2] all around the world, encrypting computers and demanding cash for their recovery. Research shows that the ransomware travels under a variety of different names including WanaCrypt0r 2.0, WannaCryptor, Wana Decrypt0r, WannaCry or simply WCry. Once on the infected system, the parasite starts encrypting hundreds of file types using AES and RSA ciphers [3] which make the processed data unreadable and inaccessible to the victims. Besides, the affected files are also appended with .wncry, .wncrytt, .wcry or .wncryt extensions. The ransomware attack ends with a replacement of the desktop background and opening of the @WanaDecryptor@.exe window which informs victims about the unfavorable situation that is current on their computers and a questionable proposition on how to fix it. This window works like a ransom note, and the extortionists use it to set forward their demands. In particular, the extortionists want the victims to pay 600 dollars in Bitcoin within 3 days after the system infiltration and threaten that the sum will double if the transaction is not made in time. 7 days after the encryption are critical because beyond this period files can no longer be decrypted. At the same time, hackers talk about free events that they will launch in order to let “poor” victims recover their files free of charge. We can’t be sure whether the ransomware developers really want to play the Good Samaritans after they’ve just turned victims’ files into rubbish or that’s yet another of their evil ways to trick users into keeping the ransomware on their computers for half a year, potentially resulting in more damage to the system and more encrypted files. WanaCrypt0r removal is the only way this ransomware can be fought back, even though mere elimination of the malicious virus components does not come close to the full system recovery. You will dispose of the malware only by applying professional tools such as Reimage in the elimination process.

WanaCrypt0r virus

WanaCrypt0r ransomware makes no exceptions neither for the individual users nor the major companies and organizations when it comes to its attacks. Major healthcare and telecommunication companies in including NHS and Telefonica have already been affected, followed by 230,000 more computers worldwide [4]. The number of infected devices keeps growing minute-by-minute: 150 out of total 195 countries in the world are now under siege. Such rapid spread is related to the unconventional techniques that the malware developers use for its distribution. The leaked ETERNALBLUE SMB technology [5] which was initially created for the U.S. intelligence operations play the leading role in these events. In particular, we are talking about the MS17-010 vulnerability [6] which was patched by Microsoft in March 2017. However, not all Windows operating systems received the update. For instance, some of the already unsupported versions such as Windows XP, Vista or Windows 8 (Windows 8.1 is supported) were left with this security hole. Same goes for the users who run the latest software versions but have not taken the time to install this security patch. The result of this is hundreds of infected health centers, banks, universities, hotels, and similar organizations. If you are one of its victims, you must remove WanaCrypt0r ransomware from your computer ASAP. Please note that it is not recommended to alter registry and similar system components manually, especially if you are not tech-savvy. It is always recommended to use reputable security utilities for the ransomware decontamination and apply professional guidelines when it comes to data recovery.

Virus exploits Microsoft vulnerability to infect computers

WanaCryptor has been spread with the help of the flaw found in a popular communication protocol used by Windows OS. As we've already mentioned, Microsoft did release the patch for this EternalBlue vulnerability, but those, who didn't download it, left themselves vulnerable to this attack. It seems that ransomware virus, or at least its initial component, is spread by a worm that drops ransomware onto the system. It can easily spread thru networks and cause additional damage to its targets. As soon as ransomware is installed, it initiates the encryption of victim's files and starts showing such warning message:

Ooops, your important files are encrypted.

If you see this text, but don’t see the “Wana Decrypt0r” window,
then your antivirus removed the decrypt software or you deleted it from your computer.
If you need your files you have to run the decrypt software.
Please find an application file named “@WanaDecryptor@.exe” in any folder or restore from the antivirus quarantine.
Run and follow the instructions!
The damage depends on how much computers did WanaCrypt0r 2.0 infect: the ransom for one affected machine is worth $ 600 in Bitcoin. However, if you have backups, you should never think about contacting these hackers via their bitcoin addresses given. Security experts have already warned victims not to pay ransoms as there is no guarantee that hacker will send you a proper key that you need to decrypt your files.

Experts recommendations on WanaCrypt0r removal

To remove ransomware from your computer, you need to scan it with updated security software. Make sure you update your scanner before launching because it needs to have a full date base which includes the files of this virus. We recommend using Reimage, Webroot SecureAnywhere AntiVirus or Malwarebytes Anti-Malware to remove WanaCrypt0r virus from your computer. If you can't launch your scanners, you need to end malicious processes of this ransomware, including wannacry.exe, wcry.exe, 111.exe, lhdfrgui.exe, @WanaDecryptor@.exe and others. You can start the recovery of your files only after you remove this ransomware. Otherwise, it can start the encryption of another part of your files. The easiest way to recover files encrypted by WanaCrypt0r is to rely on backups. If you can't remember saving them, you can try using steps given in our “Data Recovery” section.

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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 WanaCrypt0r 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.

Note: Manual assistance required means that one or all of removers were unable to remove parasite without some manual intervention, please read manual removal instructions below.

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

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

WanaCrypt0r ransomware virus manual removal:

Kill processes:
111.exe

lhdfrgui.exe

wcry.exe

wannacry.exe

mssecsvc.exe,

tasksche.exe

taskhsvc.exe

taskdl.exe

taskse.exe

Delete files:
111.exe

lhdfrgui.exe

wcry.exe

wannacry.exe

mssecsvc.exe,

tasksche.exe

taskhsvc.exe

taskdl.exe

taskse.exe

Manual WanaCrypt0r virus Removal Guide:

Remove WanaCrypt0r 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.

To remove WanaCrypt0r with Safe Mode with Networking method, you should follow these steps. Make sure you perform each of them in exact order to avoid damage to your system.

  • 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 WanaCrypt0r

    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 WanaCrypt0r removal.

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

Remove WanaCrypt0r using System Restore

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

To remove this ransomware with System Restore method, you need to use a guide given below.

  • 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 WanaCrypt0r. 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 WanaCrypt0r removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove WanaCrypt0r 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 WanaCrypt0r, you can use several methods to restore them:

Use Data Recovery Pro to recover encrypted files

Data Recovery Pro is a professional tool offering very useful service. It can help you recover files encrypted by WanaCrypt0r as well. Use the steps given below to give this program a try.

Try Windows Previous Versions option to recover files that need to be decrypted

It has been reported that this ransomware DELETES Shadow Volume Copies of the target files. However, it hasn't been approved that all versions of this virus do that. To check weather Windows Previous Versions is working for you, follow these steps.

  • 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”.

WanaCrypt0r decrypter is not available yet

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from WanaCrypt0r and other ransomwares, use a reputable anti-spyware, such as Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware

About the author

Lucia Danes
Lucia Danes - Virus researcher

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References

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