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Java NotDharma ransomware. How to remove? (Uninstall guide)

removal by Olivia Morelli - - | Type: Ransomware

Java NotDharma ransomware is a crypto-virus which showed up in April 2018

Java NotDharma ransomware

Java NotDharma is a ransomware virus that targets multiple file types on the PC and locks them up using .java extension. The original file that distributes the payload is unknown; however, soon after rooting itself deep within the system, the virus drops ransom note called Decrypt Instructions.txt.

SUMMARY
Name Java NotDharma
Type Ransomware
Cipher used AES
Demanded ransom Unknown
Extension applied .java
Distribution Spam emails, Malicious websites, exploits, etc.
Elimination Install Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware and run it in Safe Mode with Networking

The victim is explained that he or she has to contact hackers using fgghtdfg@cock.li email address. Typically, cybercriminals demand a ransom to be paid in digital currency, such as Bitcoin or Monero. Allegedly, after the money is transferred, the user is awarded a decryptor that can unlock all the compromised files.

As it appends .java extension to each of the files, it was first speculated that the virus might be a variant of the infamous Dharma ransomware. However, it did not turn out to be true. Hence, security experts gave this ransomware Java NotDharma name.

To be able to boot itself with even launch of the system, Java NotDharma firstly modifies certain operating system configuration files. Quite often, the ransomware affects the computer in a way that allows it to bypass any security software.

If you do not possess any anti-virus program, download and install Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware. These programs will help you to remove Java NotDharma ransomware. However, you have to boot your PC in Safe Mode with networking before proceeding.

The malicious payload is distributed via phishing emails,[1] rogue software updates, hacked software websites and similar. As soon as Java NotDharma virus enters the targeted machine, it encrypts files using AES[2] cryptography.

Java NotDharma malware can lock up a variety of files, including .avi, .html, .gif, .jpg, .7z, .pdf, .txt and many others. For example, a file on your system called video.avi will be turned into video.avi.java. Remember, the file is not damaged, it merely requires a decryption key which is stored on a remote server by hackers.

The ransom note states the following:

All of your files are encrypted, to decrypt them write us to email: ffgghtdfg@cock.li 

The exact amount of ransom is probably provided via e-mail. Typically, it ranges from $300 to $1500 in Bitcoin. Nevertheless, regardless what the size of the demanded payment is, it is not recommended contacting cybercrooks. They might outright ignore you or send you a malicious file that can read all your keystrokes.

Security experts from virusai.lt[3] advise users to ignore hackers and never to contact them. Instead, Java NotDharma removal is recommended. Right after that, users can proceed with file recovery procedure which we described below this article.

Ransomware distribution methods

Cybercriminals typically rely on spam emails to deliver their malicious payload to multiple computers. It is well-known tactic and is often used to infect hundreds or even thousands of computers. Then, malware can spread further within networks.

To avoid contamination, we advise users to be extremely careful when opening emails from unknown sources. The email provider typically has built-in file scanners. Thus, suspicious emails are usually scanned and flagged up. Do not ignore these warnings! Never open an email and execute the attachment, especially if it is asking to enable macro function.

Additionally, we advise avoiding suspicious websites, such as porn, free online gaming, online dating, gambling, cracked software and other sites. These domains are usually less protected and are not safe to use.

Eliminate Java NotDharma ransomware from your computer and attempt file recovery

Unfortunately, the only secure way to redeem your files is by recovering them from an external drive or a remote server, such as cloud. If you do not have a backup, we provide the list of alternative programs you can use to attempt data recovery. But first, you need to remove Java NotDharma virus from your PC completely.

Manual Java NotDharma ransomware removal is hardly possible and is very complicated. Therefore, you should trust this operation to a powerful security tool. As we already mentioned, the virus might prevent a normal startup of the program. Thus, reboot your PC in Safe Mode with Networking, as explained below.

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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 Java NotDharma ransomware. 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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To remove Java NotDharma virus, follow these steps:

Remove Java NotDharma using Safe Mode with Networking

To enable your anti-virus program, reboot your PC in 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 Java NotDharma

    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 Java NotDharma removal.

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

Remove Java NotDharma using System Restore

You can try to delete Java NotDharma ransomware by using System Restore function:

  • 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 Java NotDharma. 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 Java NotDharma removal is performed successfully.

Bonus: Recover your data

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

Do not contact cybercriminals no matter how tempting it might be. Instead, try out the following data recovery methods.

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

Data Recovery Pro might help

Data Recovery Pro was created to recover files that got accidentally deleted or damaged in other ways. However, it was proven to be effective in some ransomware infection cases.  

Try Windows Previous Versions feature

This method will only work if you had System Restore function enabled before your computer was attacked by the virus.

  • 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 the answer

ShadowExplorer is only useful if Shadow Volume copies were not deleted by the virus.

  • 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.

Decryptor is not available yet

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