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LowLevel04 ransomware virus. How to remove? (Uninstall guide)

removal by Gabriel E. Hall - - | Type: Ransomware

What can we expect from the LowLevel04 revival?

LowLevel04 virus is a relatively old cyber infection which has been first spotted over a year ago — back in October 2015. According to the user reports, it then targeted computers located in Bulgaria and Greece but didn’t seem to have grown into anything bigger. However, recently, after months of silence, the virus distribution began picking up speed again, and new reports about LowLevel04 attacks are now becoming increasingly more frequent. Interestingly enough, the virus does not seem to have undergone any improvements or modifications during the silent period. It still targets Remote Desktop or Terminal Services and brute forces its way to the device by cracking their weak passwords. It has also been reported that apart from attacking individual computers, LowLevel04 also aims at servers. This makes the virus a great risk not only to the private users but to some larger companies as well. Thus, you should always let professional antivirus software like, for instance, Reimage keep an eye on your PC for you.

Image of the LowLevel04 ransomware virus

So, how does LowLevel04 actually work? Well, first of all, it is a ransomware-type virus, so its main purpose is to encrypt the files located on the infected computer and demand their owners to buy them out. The files are usually encrypted with a complex AES algorithm which is virtually impossible to decrypt, so the regular users are simply forced to follow the extortionists’ demands if they ever want to access their files again. Besides, the virus also leaves no choice of recovering these files from backup or Dropbox since it encrypts files on these platforms as well. The only way that is still valid and can be used for the data recovery is Shadow Volume Copies. The virus does not delete them. You can learn how to recover your important documents from these backup files in the tutorial just below the LowLevel04 removal instructions.

Questions about LowLevel04 ransomware virus

In other aspects, LowLevel04 ransomware does not seem to differ from other programs of the same category. Once it encrypts the predetermined files on the infected computer, it renames them by adding a oorr. at the beginning of every file title. The virus also drops a ransom note called Help recover files.txt in which the hackers explain what happened to victim’s computer and introduce conditions which have to be met in order to receive the file decryption key. They begin the note with the mocking “Good day, isn’t it?” and continue by demanding 4 Bitcoin for the data decryption. The note also contains two email addresses and for the victims to contact the criminals directly. Unfortunately, users report that this “support” email is only active until you pay the ransom. As soon as the money is transferred, the criminals simply disappear without a trace. Thus, we strongly recommend not to follow the criminals demands if you ever get infected either and hurry to remove LowLevel04 from the computer instead.

How does this virus access computers?

As we have mentioned, LowLevel04 usually gets installed on the computers directly by the criminals who exploit Remote Desktop or Terminal Services access. When they manage to crack the targeted computer’s password, the hackers can then download the malicious payload to the system undetected. To prevent such an intrusion, you should make sure your network is protected with a powerful password, and that is protection is backed-up by a reputable antivirus utility. Also, keep in mind that direct installation is the least effective and most risky way to spread ransomware around, so it is possible that LowLevel04 creators also employ other system infiltrations techniques, for instance, malicious spam campaigns or corrupt software update notifications.

LowLevel04 removal strategies:

As a disclaimer, we want to emphasize that LowLevel04 removal instructions which we provide below should only be used if the virus is blocking your antivirus from scanning the system. These steps only help decontaminate the LowLevel04 virus, but they do not eliminate the infection. To remove the virus, you should use reputable and professional antivirus tools. It is also recommended that you remove LowLevel04 using Windows Safe Mode without networking, because the virus is mostly controlled via the web, so, blocking this access you have significantly greater virus elimination chances.

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To remove LowLevel04 virus, follow these steps:

Remove LowLevel04 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 LowLevel04

    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 LowLevel04 removal.

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

Remove LowLevel04 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 LowLevel04. 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 LowLevel04 removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove LowLevel04 from your computer. To recover your encrypted files, we recommend using a detailed guide prepared by security experts.

If your files are encrypted by LowLevel04, you can use several methods to restore them:

Data Recovery Pro method

Data Recovery Pro is an automatic data recovery software that can be used by professionals and by less experienced users alike. To learn how to use this tool, please read the instructions below.

  • Download Data Recovery Pro;
  • Follow the steps of Data Recovery Setup and install the program on your computer;
  • Launch it and scan your computer for files encrypted by LowLevel04 ransomware;
  • Restore them.

Windows Previous Versions feature method

Using this method, you will not recover your whole system, but you might be able to retrieve individual files. If you have a couple of documents that you desperately need to get back, follow the guidelines below.

  • 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 method

This technique is probably your best option with the LowLevel04 virus, since it does not destroy Volume Shadow Copies which are needed for the data recovery. To learn how use Shadow Explorer properly, follow the steps indicated below.

  • Download Shadow Explorer (;
  • 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.

About the author

Gabriel E. Hall
Gabriel E. Hall - Passionate web researcher

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