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

removal by Jake Doevan - - | Type: Ransomware
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The information about recently developed CloudSword virus

CloudSword ransomware is a freshly spotted file-encrypting malware[1] that targets English-speaking and Chinese computer users. It seems that ransomware is still in-development, so we can expect it to grow and spread worldwide. However, malware has already caused damage for some computer users. The purpose of CloudSword virus is to take victim’s files to hostage and demand paying the ransom[2]. It encrypts targeted files with AES encryption chipper which is known as a strong encryption standard that is not easily decryptable. Sadly, CloudSword removal will not decrypt encoded files, so victims might lose their pictures, documents, and other important files if they do not have data backups. Malware is created to aim at the most popular file type in order to cause more damage to the victims and encourage them to pay the ransom. The list of targeted files:

.accdb, .arch00, .bson, .d3dbsp, .DayZProfile, .dbfv, .divx, .docx, .epub, .forge, .hkdb, .hplg, .html, .ibank, .java, .jpeg, .layout, .mcgame, .mdbackup, .menu, .mpeg, .mpqge, .mrwref, .pptm, .rofl, .sc2save, .sqlite, .syncdb, .text, .unity3d, .vfs0, .wotreplay, .xlsb, .xlsx, .ztmp.

As soon as data encryption is over, the CloudSword virus drops a ransom note called “Warning警告.html.” This HTML file informs victims about supposedly violated Digital Millennium Copyright Act[3], and for this reason, all his or her files have been locked. However, hackers explain data decryption possibilities. Unfortunately, they are not free. Ransomware viruses are one of the biggest and successful projects to make illegal incomes online. Therefore, hackers ask to transfer some bitcoins in five days time to restore files encrypted by CloudSword ransomware. According to the crooks, if you do not meet the deadline, the unlock key will be lost forever. They also warn not to try decrypting files themselves or trying to use other tools. This saying gives hope that there are other ways to unlock and restore corrupted files. At the end of the article, you will find our prepared tips and instructions that might help to restore at least some of your files without risking and paying the ransom[4]. But first, you have to remove CloudSword from the computer.

The image of CloudSword virus

How can I get infected with ransomware?

One of the main ransomware distribution campaigns is malicious spam emails and their attachments. Hackers create thousands of different messages to trick users into opening an infected document. They might pretend to be from governmental institutions, financial organizations, online retailers, and any popular companies. Some emails can be easily suspect to be malicious; meanwhile, others are perfectly made falsifications. Hence, it might be hard to decide which one you can trust[5]. If you want to avoid CloudSword hijack and other ransomware viruses, you should stay away from spam emails and do not open them at all. Before opening any email attachment, you should think, whether you are supposed to receive this kind of email from this particular organization. If not, do not let your curiosity cause you problems. What is more, CloudSword ransomware virus might also spread via fake software downloads and updates, so it’s important to choose only safe and reliable sources for installing new programs.

How can I safely remove CloudSword virus?

First of all, you should remember that ransomware-type viruses are one of the most dangerous cyber threats. Hence, their elimination has to be taken seriously. Do not even think about manual CloudSword removal because you might end up with even bigger computer-related problems. For example, you may delete necessary system file instead of malicious entry. The only safe way to remove CloudSword from the computer is to use professional malware removal tools, such as Reimage, Malwarebytes Anti Malware or Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus. After installation, update your chosen software and run a full system scan. However, we have to warn you that sometimes malware prevents users from installing and accessing security tools. If this happens to you as well, follow the instructions below to restart your PC to the Safe Mode.

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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 CloudSword 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 CloudSword virus Removal Guide:

Remove CloudSword 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.

CloudSword ransomware virus might prevent you from automatic elimination. In this case, you have to reboot your computer to the Safe Mode with Networking. Then, you will be able to install, update and access your chosen security tools.

  • 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 CloudSword

    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 CloudSword removal.

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

Remove CloudSword using System Restore

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

If ransomware prevents from installing security program and stops automatic removal, follow the instructions 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 CloudSword. 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 CloudSword removal is performed successfully.

Bonus: Recover your data

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

Paying the ransom for the cyber criminals is risky business. You have already lost your files; hence, you might lose your money as well. Bear in mind that hackers may not provide the decryption key or provide unsafe decryption software. If you have data backups, you can recover your files as soon as you remove CloudSword ransomware from the PC. Additionally, you can try additional data recovery methods presented below.

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

Data Recovery Pro might help to get back at least some of your files

Data Recovery Pro is a professional tool that has been created to restore accidentally deleted or damaged files. However, developers updated it, and now it might help to the victims of ransomware. Follow these steps to use this tool:

Take advantage of Windows Previous Versions feature

If System Restore function has been enabled on your PC before CloudSword attack, you can restore individual files using Windows Previous Versions feature. Bear in mind that this option will not decrypt all your files.

  • 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 might be helpful in data recovery

If CloudSword virus did not delete Shadow Volume Copies of the targeted files, you could consider yourself lucky. In this case, ShadowExplorer can help you to restore some of the lost files. Follow these steps:

  • 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.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from CloudSword 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


  • Moly

    Oh, I wish there were a decryption tool…

  • terenkleon

    I see hackers are inspired by Final Fantasy 😀

  • Sally

    Thanks for the protection tips!