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.java file extension ransomware. How to remove? (Uninstall guide)

removal by Julie Splinters - - | Type: Ransomware
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.Java file extension ransomware is linked to the infamous Dharma crypto-malware

.java file extension ransomware image

.Java is a file-encrypting virus which is considered to be a new variant of the notorious Dharma ransomware family. Once it is on the system, it appends .id-[random numbers].java file extension and prevents the victim from accessing data which is stored on the computer. 

Similar to other malware of this family .Java ransomware uses AES algorithms to corrupt the targeted data[1]. The files which are encoded by the virus are usually the most commonly used among the regular computer users. As a result, they contain valuable information for the victims and allow the criminals to manipulate their power.

Shortly after, the victims of .Java extension ransomware are asked to pay a ransom in exchange for a decryption key and contact the criminals via decrypthelp@qq.com email address. However, we do not recommend spending the demanded amount of money. Note that there are no guarantees whether you will be provided with a decryption tool[2].

Instead, we suggest you remove .Java virus and try to either recover files from backups or use alternative recovery tools such as official Rakhni decryptor (used to decrypt Dharma ransomware files. This way you will avoid financial losses and protect your computer from further malware infiltration.

Start .Java removal by downloading a reputable security software. The detailed instructions are provided at the end of this article to ensure that you perform ransomware elimination safely and without any complications. In spite of that, we kindly ask you to follow the guidelines carefully.

Ransomware spreads as a fake invoice from sales department

Researchers from ZonderVirus.nl[3] have spotted that the file-encrypting virus is distributed via malspam campaigns. The malicious attachments holding an executable of the ransomware are sent as fake invoices from a sales department. The sender of the message is named Tim Brooks. However, it is merely an attempt to make the email look genuine.

Therefore, many people were convinced that the letter came from a legitimate company and opened the infected attachment. As a result, the ransomware infiltrated the system and began its bogus activity. Note that the crooks might disguise the malware under receipts, banking statements or other vital documents.

Likewise, you should be extremely cautious when opening email letters. If you get a receipt for a specific purchase, you do not recall making, do not open the message. Even accidental clicks might trigger an installation of various high-risk computer infections and lead to enormous financial losses.

Additionally, cybercriminals might hack into social media accounts and deliver messages with infected links to the people on the friend list. Thus, if you receive a dubious text from your peer, contact him or her in person to make sure that their account is safe.

Removal of .Java file extension ransomware virus

We aim to ensure your safety and recommend automatic .Java removal. This elimination method will make sure that all of the malicious components are uninstalled from your computer, and you are safe to proceed to the data recovery. Remember that it is crucial to avoid fake decryptors online since they are designed to swindle money from gullible people.

You can remove .Java virus with the help of Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware. We can assure you that these security tools are developed by IT professionals to help the victims of ransomware attack and provide efficient security services. Additionally, do not forget to check the decryption steps which are attached at the end of this article. 

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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 file extension 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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Manual .java virus Removal Guide:

Remove .java using Safe Mode with Networking

Follow the instructions below to learn how to boot your computer into 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

    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 removal.

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

Remove .java using System Restore

If the first method is not helpful, try to reboot your PC into Safe Mode with Command Prompt 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. 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 removal is performed successfully.

Bonus: Recover your data

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

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

Data Recovery Pro Tool

In case you are unable to access your files with .java extension, try to restore them with the help of this tool.

Windows Previous Versions Feature might help

Note that if you have previously enabled System Restore function on you computer, this feature might help you to retrieve the most important 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”.

You should try ShadowExplorer

Firstly, check if the ransomware hasn't deleted Shadow Volume Copies from your system. If not, follow the instructions below.

  • 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.

Use Dharma Decryptor from Kaspersky Lab

Since .java file extension ransomware might be inextricably linked to Dharma virus, you should definitely try to recover your data with the help of an official decryptor which you can find here.

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

About the author

Julie Splinters - Malware removal specialist

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