‘java File Extension’ Ransomware Removal Guide With Step-By-Step Instruction

‘java File Extension’ Ransomware Removal Guide With Step-By-Step Instruction
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‘java File Extension’ Ransomware Detailed Information

New variant of Dharma ransomware virus has been detected by malware researchers. The virus uses ‘.java’ extension and a unique identification number (for example id-3293991412412.java ) as it adds to the files encrypted with it. The ‘java File Extension’ Ransomware also drops a loose note, which further aims to depress the victims of viruses to pay a heavy loose fee to access their encrypted files and reopen them. In the event that your computer has been infected with this variant of Dharma ransomware, we recommend that you read this article to learn how to remove .‘java File Extension’ Ransomware from your computer and try to recover encrypted files.

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‘java File Extension’ Ransomware – malicious activity

When an infection with ‘java File Extension’ Ransomware occurs on your computer, the first logical step for it is to perform the following activities:

  • Touch system files.
  • Create mutexes.
  • Interact with Windows Registry Editor.
  • Delete system backup and shadow volume copies.
  • Change the wallpaper and release the loose note so that it can be seen.

The malicious files of Dharma ‘java File Extension’ Ransomware can be located in the following Windows folders:

  • % AppData%
  • % Roaming%
  • %Local%
  • % LocalLow%
  • % Temp%

In addition to malicious files, viruses can automatically perform them to perform other activities on the infected computer, such as interacting with the Run and RunOnce Windows registry subkeys. Since these keys are responsible for running programs concurrently with Windows Boot, viruses can also begin deleting the shadow volume copies on the infected machine, which makes recovering your files via backup impossible. To do this, the ‘java File Extension’ Ransomware can use the commands in the Windows Command Prompt by running a script as an administrator that executes them without user input.

‘java File Extension’ Ransomware – Encryption Process

Similar to other CriSyS variants, the ‘java File Extension’ Ransomware also uses AES encryption algorithm (Advanced Encryption Standard). It uses results in the files’ data, more specifically part of it being replaced with data from the encryption mode. This results in the files only being able to be unlocked and usable via a unique asymmetric key, which is generated and possibly sent to the server of cybercriminals, making them the only ones in power to restore your files.

How to Uninstall ‘java File Extension’ Ransomware Automatically from Computer?


Remove ‘java File Extension’ Ransomware From Your Windows Automatically

Developed by West Coast Labs Checkmark Certification, SpyHunter Security Suite is one of the best and the strongest anti-malware tool in the market. It can easily prevent any kind of online attack on your computer system. The Real-Time Protection feature of Spyhunter will give you an ultimate security with the ability to scan the computer system, detect any type of malware existence and provide reliable removal services. The UI of Spyhunter is so simple that even a novice person can use it, who never have their hands on any anti-malware tool previously. Once you install and register Spyhunter Anti-malware on the computer system, you can just forget to worry about your computer’s virtual protection. Once SpyHunter application is installed on your computer system it will shield your system against all threats and will also notify you about infections which were running long before the SpyHunter download.

Mac OS

Remove ‘java File Extension’ Ransomware From Your Mac OS Automatically

Mackeeper application is like a complete security suite for all Mac users. It automatically secure and optimize a Mac system to provide a smooth performance. Once if anyone installed Mackeeper on any Mac computer, the rest things like junk clean up, potentially unwanted programs attacking your Mac and other computer related issues and assured to have a rest upon. We are now living in a digital world and our personal computer is the most integral stuff of our daily life. Investing in Mackeeper is one time to secure the privacy of your computer for a lifetime. After all, any of us do not like our personal information misleading by anyone.

For quick and effective solution to get rid of ‘java File Extension’ Ransomware from your PC, you can run a scan with an advanced malware removal tool and delete ‘java File Extension’ Ransomware completely within few clicks only.

How to Uninstall ‘java File Extension’ Ransomware Manually?

STEP 1: Start Your PC in Safe Mode With Networking

Windows 8/10

Booting Into Safe Mode on Windows 8 or 10

Numerous ways are there to get into the safe mode with networking option on your Windows computer system, but with Windows 8 & 10 OS. Few of those functions are need to be accessed with a little longer procedure. Well, here we are available to help you with the simplest way to access safe mode in Windows 8 or Windows 10 PC.

Here we will share the simplest method to access safe mode in networking.

1. Boot your PC to the login screen and then hold the SHIFT key, while holding it click on RESTART button.

win 8 homescreen

Windows 8 Screen

windows 10 homescreen

Windows 10 Screen

2. This will take you to the troubleshooting option screen where to enable the Safe Mode.


In other scenarios, there are options that you could not boot your login screen, here-

You could see another screen known as Recovery screen. To access this window you can hold the SHIFT key and keep tapping on F8 key. This will let you enter the advanced “recovery mode”. Here you can easily choose advanced repair options.

advance troubleshoot option win 10

Now go to the Start Up settings.

startup settings windows 10

There click on the Restart option available there.

restart your system

When the computer finally restarts, press the number that says Enable Safe Mode with Networking. Usually number 5 from the list.

enable safe mode with networking

Enter your admin login details and Enter Windows in Safe Mode with Networking.

Windows XP, Vista or 7

Restart Your PC and keep tapping on F8 key.

start pc in safemode

It will open and advanced menu option from there you need to choose the Safe Mode with Networking Option. You can easily make the selections with the help of arrow keys.

safe mode with networking

After choosing Safe Mode with Networking option. Click on Enter.

press enter

STEP 2: How to Show Hidden Files & Folders

Windows 8, 10

You need to Press Windows Key+E.

From the upcoming window you need to get to the View tab on the menu option.

Locate the Options icon and click on it.

locate hidden files in windows

A dialog box will get appear and you will need to click on “Show Hidden Files and Folders” option and click on Apply and then OK.

show hidden files

Windows 7

Press Windows Key + E.

From currently appeared window click on Organize option. (Usually appear on top left corner)

organize option win 7

Clicking on it will result in a drop-down list, select Folder & search options.

Go to the view tab of the next appeared Dialog box and click on “Show hidden files and folders”.

Click on Apply and then OK.

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STEP 3: Stop ‘java File Extension’ Ransomware Related Processes From Task Manager

Windows XP, Vista, 7

To Open the Task Manager All you need to do is to press CTRL+ALT+DEL buttons simultaneously.

task manager


Or you can simply right-click on the taskbar and select task manager to open Task Manager on your screen.



Go to the processes tab and click on it. A list of running processes will appear on the screen.

end process


Select all those processes which are related with ‘java File Extension’ Ransomware and end those immediately.

end process

Now go to the Service Tab and Stop all unknown services running there.

Windows 8, 10

In Windows 8 and Windows 10, you can simply open the Task Manager with the help of CTRL+SHIFT+ESC buttons.

task manager win8,10

There is another way to do the same thing and open the Task manager, is to right-click on the task bar of your desktop and select Task Manager from the list which appears.

task manager

Go to the Process Tab to see all the running processes which are associated with ‘java File Extension’ Ransomware, after that click on End Process. It is important to end all unidentified processes to make your PC threat free.

end process

STEP 4: How to Remove ‘java File Extension’ Ransomware From Your Windows Control Panel

Windows XP, Vista, 7

Navigate to the Start Menu and click on Control Panel option as shown in the Image below.

control panel

Next window will appear with the options which are available within the control panel where you need to select Uninstall a program option.

uninstall program option

Again next window will display you a list of programs which is installed on your PC. From here you need to uninstall all those kind of programs which are unknown/unidentified or associated with ‘java File Extension’ Ransomware.

uninstall program option

Note – Although we have shown the images of Windows 7 here, the options and navigation for Windows XP and Vista are the same.

Windows 8, 10

Click on the Search Box of your Windows Explorer and search for Control Panel.


Click on the Control Panel icon that appears and then click on Uninstall a Program from the Control Panel window that appears next.


Next window will get to uninstall any program option with a list of options. Uninstall all ‘java File Extension’ Ransomware associated programs along with it if it appears.


STEP 5: How to Remove ‘java File Extension’ Ransomware From Your Browser (If Appears)

If ‘java File Extension’ Ransomware has stuck in your web browser and always keep appearing with your web browsing things then you need to check and remove it away from your browser. Few of the popular web browsers are described below with ‘java File Extension’ Ransomware removal steps.

Internet Explorer

Open your IE browser and Click on the Tools button.


After that click on Manage Add-ons.


From left-side of next window that appears to click on Toolbars and Extensions and then select ‘java File Extension’ Ransomware, if it appears there.


Also, remove all kind of BHOs which you don’t recognize or don’t know.

Click to remove those extensions or click on disable whichever is possible.

Restart your browser.

Google Chrome

Open your Google Chrome browser and click on the three horizontal lines icon available on Chrome menu on the top right corner of the browser toolbar.


Now choose the option to appear as Settings.


Go to the Extensions tab. (Click on it)


Locate ‘java File Extension’ Ransomware extension and click on its trash icon and remove it from Google Chrome browser.


Remove all those extensions which you do not need or you do not know.


Then a confirmation box will appear which you have to confirm.

Mozilla Firefox

  • Open Mozilla Firefox browser and Go to Tools.


  • Click on Add-ons and Open Add-ons manager tab.


  • In the Add-ons manager tab click on Extensions Panel.
  • Remove all kinds of unknown extensions and also remove ‘java File Extension’ Ransomware extension if available there.
  • Click to Disable or Remove ‘java File Extension’ Ransomware.
  • Click to restart browser if it pops-up on your screen.
Manual removal of ‘java File Extension’ Ransomware requires good technical skills and sound knowledge of system files and registries as well. If any important data is removed by accident then permanent system damage can be experienced. To prevent this troublesome effect – remove ‘java File Extension’ Ransomware with trusted anti-malware scanner.

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