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

removal by Lucia Danes - - | Type: Ransomware

J ransomware corrupts targeted files with .LoveYou file extension

The picture of J ransomware

J ransomware is a new file-encrypting virus that uses AES cryptography and appends .LoveYou file extension to each of the targeted files. Once data encryption is over, it drops ReadMe.txt file where victims can learn about decryption possibilities.

The virus mostly aims at English-speaking computer users. However, it might also reach people in Germany, Norway[1] and other countries all over the world.

The virus arrives on the system as J-Ransomware.exe file that might be installed on the system with the help of exploit kits or malicious spam emails. On the affected computer it might modify Windows registry in order to boot on system startup.

J virus might also delete backups and Shadow Volume Copies[2] to make data recovery more complicated for the victims. Malware has another unique feature. It might restart the computer before launching data encryption procedure.

Once the virus reboots the computer, it starts scanning the system looking for targeted file types. It mostly aims at the most popular files, such as MS Office or OpenOffice documents, various image, audio, video and text files, databases, archives, etc.

The ransomware prevents victims from opening their files by appending .LoveYou extension. For instance, the file called “Image.jpg” after encoding will be renamed as “Image.jpg.LoveYou.” What is more, due to this suffix, malware is also known as .LoveYou file virus.

Following traditional crypto-malware behavior, it delivers a ransom-demanding message in a text document. Authors of the malware demand to pay the ransom for data recovery. However, their orders should not be followed.

After ransomware attack, we recommend staying calm and thinking about computer’s security first. Thus, you need to remove J ransomware from the device before thinking about data recovery. Malware elimination is necessary because this threat makes the system vulnerable. As a result, you won’t be able to use your computer normally and safely.

In order to delete virus from the system, you need to employ a professional security software, such as Reimage. If you cannot install or run automatic J removal, you will find our prepared instructions at the end of the article handy.

Distribution methods of the ransomware virus and prevention tips

J-Ransomware might be spread via exploit kits, malicious spam emails, and fake downloads. These strategies are widely used among other developers of ransomware. Thus, you should learn how to protect your device.[3]

Cybercriminals use social engineering to trick people into opening a malicious spam email attachment or infected link. Crooks might pretend to be representatives from banks, governmental institutions, and other well-known companies.

J ransomware virus might also take advantage of outdated system and programs. Developers may use exploit kits that help to launch the attack by using security vulnerabilities.

Malware might also spread as an obfuscated program or update in torrents, P2P networks, and file-sharing sites. Thus, in order to protect your computer from this or similar cyber threats, you should:

  • double-check information before opening email attachment or link;
  • install updates regularly;
  • choose reliable sources for downloads;
  • avoid clicking suspicious links, ads and other content online.

Removal instructions of the J-Ransomware virus

The only safe way to terminate ransomware from the device is to run a full system scan with reputable security software. We recommend J ransomware removal with the help of Reimage or Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus. These programs are strong enough to locate and delete all malware-related entries immediately.

If you are thinking about possibilities to get rid of the virus manually, we want to discourage you from this task. We have mentioned that ransomware might modify the system and inject malicious code into legitimate processes. Thus, trying to delete such components might cause irreparable damage to the system.

However, automatic removal may not be easy as well. Sometimes file-encrypting viruses prevent from accessing security tools. If you encounter such problem, please follow the instructions below that will help to remove J ransomware successfully.

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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.
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To remove J virus, follow these steps:

Remove J using Safe Mode with Networking

If you cannot run automatic J ransomware elimination, reboot the device with Safe Mode with Networking and try again.

  • 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 J

    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 J removal.

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

Remove J 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 J. 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 J removal is performed successfully.

Bonus: Recover your data

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

Currently, the only safe and effective way to recover files with .LoveYou file extension is to use backups. If you do not have them, your chances to get back access to your data are low. However, instead of taking hackers' offer and paying the ransom, you should try our suggested alternative recovery option. Hopefully, at least some of your files will be rescued.

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

Data Recovery Pro – alternative tool to restore corrupted files

This professional software has already helped numerous people to restore corrupted, deleted and encrypted files. Thus, it might help after J ransomware attack as well.

Take advantage of Windows Previous Versions Feature

If System Restore has been enabled before .LoveYou file virus attack, you might recover your files using Windows Previous Versions feature. It allows traveling back in computer's time and accessing files saved before ransomware attack.

  • 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”.

J ransomware Decryptor is not available yet.

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

About the author

Lucia Danes
Lucia Danes - Virus researcher

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