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Crypt0saur ransomware virus. How to remove? (Uninstall guide)

removal by Olivia Morelli - - | Type: Ransomware
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The growing threat of web ransomware – Crypt0saur virus is one of the latest variants

Crypt0Saur ransomware virus

Crypt0saur virus is a newly discovered cyber threat that is known as “website ransomware[1].” While traditional ransomware targets computer systems and files stored in them, this new virus targets Internet pages. Once installed, the website’s content disappears, and each visitor who enters the site receives the following message:

Greetings, This Website has been Encrypted with Crypt0saur
This Website’s all files has been encrypted that’s why you’re seeing this message.
You’ve pay me to get back your file(s).
And Please Don’t Try to decrypt the file(s) that could may lead to permanent data lose.
Don’t panic. Your files are just locked not deleted. I’ll give you the decryption key after receiving the Payment.

The virus then instructs the victim (the owner of the website) to pay 120$ in Bitcoins. The ransom must be transferred to a provided Bitcoin[2] address. The virus is surprisingly similar to EV ransomware (also known as WordPress ransomware) or Shutdown57 virus, which urges victims to write to greenvirus707@gmail.com for site recovery instructions.

If you accidentally entered such site, we strongly recommend you to close it as soon as possible. Compromised websites are highly dangerous and might contain codes that could automatically redirect you to another malicious website, possibly one with an exploit kit in it.

It goes without saying that such redirect could guarantee you a ransomware infection. In addition, if you visited a website encrypted by the described virus, scan your PC with anti-malware to remove Crypt0saur elements that may have made it to your computer. Most security programs provide computer scanning feature for free.

If you own a website and it got compromised by this virus, restore it from a backup. When in doubt, use a professional’s help to help you remove Crypt0saur virus.

Protect yourself from web ransomware

The ransomware can get into websites that are not protected with the latest security measures. Besides, you should always apply security updates and make sure that you use secure plugins on your website, says the DieViren.de team[3].

Finally, do not forget to create a website backup so that you could recreate it easily. Don’t store your backups on your web server – this way, the backup might get encrypted, too.

To avoid installing computer viruses from compromised websites, have a good anti-malware software installed on your PC (ideally, with real-time protection feature). It is also important to enable automatic software updates on your computer – this way, your computer will be filled with up-to-date software, which will prevent attackers from exploiting security vulnerabilities in them.

Remove Crypt0saur virus

To remove Crypt0saur virus, contact the hosting providers or your web developer. They will identify the cause of the problem and guide you through the removal process. If possible, change your passwords.

It is also highly recommended to perform a local Crypt0saur removal, meaning that you should scan your computer system for suspicious software that could have possibly provided the attacker with information allowing to access your website and upload ransomware on it.

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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 Crypt0saur 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.
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Manual Crypt0saur virus Removal Guide:

Remove Crypt0saur using Safe Mode with Networking

Remove Crypt0saur ransomware and possibly other malicious components from your system using the guide provided below.

  • 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 Crypt0saur

    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 Crypt0saur removal.

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

Remove Crypt0saur 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 Crypt0saur. 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 Crypt0saur removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove Crypt0saur from your computer. To recover your encrypted files, we recommend using a detailed guide prepared by 2-spyware.com security experts.

We recommend restoring your website using a data backup.

If your files are encrypted by Crypt0saur, you can use several methods to restore them:

Crypt0saur decryption tools are not available yet

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Crypt0saur and other ransomwares, use a reputable anti-spyware, such as Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware

About the author

Olivia Morelli
Olivia Morelli - Ransomware analyst

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