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Cryptowall 5.1 ransomware virus. How to remove? (Uninstall guide)

removal by Julie Splinters - - | Type: Ransomware

CryptoWall 5.1 does not cease terrifying the virtual community

CryptoWall 5.1 virus (also called as CryotoLocker) has emerged to accomplish its menacing mission – to encrypt users’ data. This particular group of ransomware emerged in 2014 and throughout these couple of years evolved into a massive ransomware campaign. Its name resonated in the most remote places of the world as corporations or ordinary people having at least reasonable Internet connection risked getting infected with this malware. In the beginning, it started out as ad-based malware [1]. However, soon it shifted from this method to a more exquisite one. Like the original version, the fifth installment employs an AES-256 algorithm to lock out personal users’ data. Comparing it with AES-128, it generates much longer and, thus, less crackable key. Such boost in computer viruses has led companies to reconsider their data security systems [2]. The latest version of this cyber menace should not be underestimated. If it happened to corrupt your files, proceed to CryptoWall 5.1 removal guide. Reimage is a tool which ensures complete elimination of the virus.

Questions about Cryptowall 5.1 ransomware virus

Ransomware has remained a hot topic in the past months since every day a new file-encrypting malware emerges. What is more, samples continuously assault medical institution and may even point their attention to medical IoT devices as they are upgraded to the “smart mode” [3]. There are several explanations to such activity. First of all, public exposure of open-source ransomware designed for educational purposes helps hacker-wannabees to learn the basics of this cyber menace. Likewise, within a short period of time, they generate their own virus and unleash it online. What is more, they quickly learn the usage peculiarities of AES and RSA encryption codes. The former usually encrypts the data while the latter encodes the very encryption key. Consequently, such action eliminates all chances of easy data recovery. In relation to this, CryptoWall 5.1 malware, which is alternatively known as Il tuo computer e stato infettato da Cryptolocker! ransomware, also uses the same method to lock out files [4]. Here is a short extract from the ransom note:

All files having the .locked extension have been blocked; you need to unlock the private key.

While the public key и been saved in a directory of your computer system, the private и been sent to our server, to get it you have to pay the amount of 250 €.
As soon as the amount is credited with one of the payment methods, you will receive by mail the private key, and regain access to your data.
Otherwise, at the end of 48h provided for the payment of the ransom, the private key will be deleted, and it will no longer be possible to recover files.
CAUTION: Removing cryptolocker will not restore access to encrypted files.

Even though the original ransom note is displayed in the Italian language, users of other regions should stay alerted. CryptoWall 5.1 ransomware urges its victims to transfer the money within 48 hours. It is a common technique to scare users. Taking into account how much profit all versions of this malware managed to collect [5], do not foster hopes of getting the files back. Instead, remove CryptoWall 5.1 right away.

CryptoWall 5.1 example

The transmission of the malware

It prefers spreads via spam emails. They have been a common tool for disguising file-encrypting malware binaries in counterfeited delivery failure emails or financial reports. However, you can successfully look through the disguise if you attentively watch for spelling or typing mistakes. In addition, some file-encrypting viruses employ exploit kits to broaden their range of the attack. In that case users and corporations are encouraged to increase their security programs. In addition, regular backups of the data are obligatory to reduce the damage in case of a cyber attack. In this regard, you will be able to sooth the after-effects even if CryptoWall 5.1 hijack occurs.

CryptoWall 5.1 ransomware elimination procedure

When it comes to any ransomware attack, we recommend confronting it with Reimage or Malwarebytes Anti Malware. These applications are specifically designed for combating ransomware. They are able to detect minor threats which might transmit the infected elements of the file-encrypting threats. When CryptoWall 5.1 removal is complete, scroll down to find alternative methods to recover the data. System backups may also serve as the means to retrieve the lost data. If the computer is malfunctioning for any reason and you cannot fully remove CryptoWall 5.1 virus, regain the access to the PC by following the following instructions.

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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.
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Manual Cryptowall 5.1 virus Removal Guide:

Remove Cryptowall 5.1 using Safe Mode with Networking

  • 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 Cryptowall 5.1

    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 Cryptowall 5.1 removal.

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

Remove Cryptowall 5.1 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 Cryptowall 5.1. 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 Cryptowall 5.1 removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove Cryptowall 5.1 from your computer. To recover your encrypted files, we recommend using a detailed guide prepared by security experts.

If your files are encrypted by Cryptowall 5.1, you can use several methods to restore them:

Opting for Data Recovery Pro

If you happened to be in the situation where you did not back up your files nor you have the copies stored in a portable device, install this tool to recover at least some of your files.

The benefits of ShadowExplorer

This utility might boost up your chances as it works on shadow volume copies. By using the patterns, the program generates the copies of the affected files.

  • Download Shadow Explorer (;
  • 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.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Cryptowall 5.1 and other ransomwares, use a reputable anti-spyware, such as Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware

About the author

Julie Splinters
Julie Splinters - Malware removal specialist

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