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

removal by Ugnius Kiguolis - - | Type: Ransomware

What is known about JohnyCryptor virus?

JohnyCryptor virus is a computer threat which belongs to the branch of viruses called ransomware. Ransomware viruses are one of the most active and dangerous cyber infections today, so it is important to learn as much as possible about them to be able to avoid them. The first thing your should know is that they often enter computers through malicious spam emails. The virus is downloaded to the computer as a regular looking document, but when the victim opens it, the virus is activated and starts ravaging through the system. Therefore, it is crucial to behave cautiously around the Internet and use sophisticated antivirus software, such as Reimage, for extra protection. If you are already infected with the virus, this software will also help you remove JohnyCryptor from your computer safely and effectively.

As soon as the virus infiltrates the computer, it starts scanning it for different types of files, including pictures, videos, Office documents, etc. Once the required files are detected, the virus encrypts them with a public key, which uses a very complex, military-grade cipher. The files cannot be unlocked using the same key. A private key is needed for this purpose. However, the cyber criminals are not planning to give it away that easily. They demand a 0.5-1.5 Bitcoin ($236.12-$708.35) ransom for the key and threaten that all the files will be destroyed if the payment is not made within two days after the infection. All of these demands are clearly stated in the ransom note that the virus generates on the infected computer’s desktop, as shown in a picture below.

An illustration of the JohnyCryptor ransomware virus ransom note

Questions about JohnyCryptor ransomware virus

Typically to other ransomware viruses JohnyCryptor drops a .txt file, labeled “How to decrypt your files.txt”, yet in this document only displays the contact information and the payment address. You should be aware that security experts highly suggest not making any payments but rather thinking about a quick JohnyCryptor removal instead. Besides, there are better ways to spend your money than supporting cyber criminals.

What are the best ways to protect your computer from ransomware infection?

Unfortunately, there are no methods that can guarantee the safety of your computer 100%. Nevertheless, you can use a combination of different techniques such as equipping your computer with a sophisticated firewall and reliable antivirus utility, regularly updating your system for security patches should at least provide your computer with more immunity against the JohnyCryptor infection. Nevertheless, using the Internet daily still exposes to the risk of having your system hijacked. So the best way to truly protect your data is to make data backups. You should regularly backup and store your data on some external driver, such as the USB drive, external hard drive, CD’s, DVD’s, etc. We do not recommend relying on online cloud storages as there have been reports of data encryption on these virtual platforms too.

Removing JohnyCryptor from the infected device:

JohnyCryptor removal may cause a lot of concern to the inexperienced users, but, in reality, it is much simpler than it looks. First, you have to obtain a reliable antivirus software, then disconnect your computer from the network and finally, run a full scan of your system. In case the virus tries interfering with the scan, use instructions provided at the end of this article and start the system scan again. Remember that only when you fully remove JohnyCryptor from your computer can you start recovering your files from backups. If you do not have such, you can try retrieving your data using Photorec, Kaspersky virus-fighting utilities or R-Studio.

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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 JohnyCryptor 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 JohnyCryptor virus Removal Guide:

Remove JohnyCryptor 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 JohnyCryptor

    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 JohnyCryptor removal.

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

Remove JohnyCryptor 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 JohnyCryptor. 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 JohnyCryptor removal is performed successfully.

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

About the author

Ugnius Kiguolis
Ugnius Kiguolis - The mastermind

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