How to remove KEY0004 Ransomware and decrypt .key0004 files

What is KEY0004 Ransomware

This article will describe KEY0004 ransomware virus that has become common lately. This is a cryptovirus that encrypts user data using a double algorithm and then demands a ransom in bitcoins if the user wants to decrypt their files. Initially, this virus is aimed at English-speaking users, However, it has already spread around the world and threatens the computer of many users. It is also worth noting that it can delete shadow copies of files or system restore points, so as not to allow the user to decrypt files on their own. The virus changes files extension to .KEY0004 and creates a special text file HOW_TO_RECOVERY_FILES.txt that contains detailed information about the ransom.

remove KEY0004 ransomware

The note contains information on which algorithm was used to encrypt files, as well as a warning against the self-modification of files. Also, fraudsters say that you need a special private key that can encrypt files. Of course, to get this key, you need to pay big money. You do not need to do this, read our tips below, to try to remove KEY0004 Ransomware and decrypt .key0004 files.

remove KEY0004 ransomware

ALL YOUR FILES ARE ENCRYPTED!

Send 1 test image or text file
giveyoukey@tutanota.com or giveyoukey@cock.li.
In the letter include YOUR ID or 1 infected file!
We will give you the decrypted file and assign the price for decryption all files!
Doesn’t try to restore by yourself, You can damage your files!

Most crypto viruses, in particular, KEY0004 Ransomware, come to the computer using the vulnerability settings of the user network, due to the lack of sufficient anti-virus software or other programs that can prevent the insertion of similar viruses. It can also come as an attachment to a spam mailing list or as a false update for a utility or program that is contained in your system. Anyway, you need to use antiviruses and other programs that can protect your PC. Below you will find our recommendations to remove KEY0004 Ransomware and decrypt your files.

Well, there are 2 options for solving this problem. The first is to use an automatic removal utility that will remove the threat and all instances related to it. Moreover, it will save you time. Or you can use the Manual Removal Guide, but you should know that it might be very difficult to remove KEY0004 ransomware manually without a specialist’s help.

If for any reason you need to recover deleted or lost files, then check out our article Top 5 Deleted File Recovery Software

KEY0004 Removal Guide

Warning alert
Remember that you need to remove KEY0004 Ransomware first and foremost to prevent further encryption of your files before the state of your data becomes totally useless. And only after that, you can start recovering your files. Removal must be performed according to the following steps:

  1. Download KEY0004 Removal Tool.
  2. Remove KEY0004 from Windows (7, 8, 8.1, Vista, XP, 10) or Mac OS (Run system in Safe Mode).
  3. Restore .KEY0004 files
  4. How to protect PC from future infections.

How to remove KEY0004 ransomware automatically:

Get Malwarebytes

Malwarebytes antivirus may help you to get rid of this virus and clean up your system. In case you need a proper and reliable antivirus, we recommend you to try it.

If you’re Mac user – use this.

Manual KEY0004 Removal Guide

Here are step-by-step instructions to remove KEY0004 from Windows and Mac computers. Follow these steps carefully and remove files and folders belonging to KEY0004. First of all, you need to run the system in a Safe Mode. Then find and remove needed files and folders.

Uninstall KEY0004 from Windows or Mac

Here you may find the list of confirmed related to the ransomware files and registry keys. You should delete them in order to remove virus, however it would be easier to do it with our automatic removal tool. The list:

KEY0004.dll
_readme.txt
readme.txt

Windows 7/Vista:

  1. Restart the computer;
  2. Press Settings button;
  3. Choose Safe Mode;
  4. Find programs or files potentially related to KEY0004 by using Removal Tool;
  5. Delete found files;

Windows 8/8.1:

  1. Restart the computer;
  2. Press Settings button;
  3. Choose Safe Mode;
  4. Find programs or files potentially related to KEY0004 by using Removal Tool;
  5. Delete found files;

Windows 10:

  1. Restart the computer;
  2. Press Settings button;
  3. Choose Safe Mode;
  4. Find programs or files potentially related to KEY0004 by using Removal Tool;
  5. Delete found files;

Windows XP:

  1. Restart the computer;
  2. Press Settings button;
  3. Choose Safe Mode;
  4. Find programs or files potentially related to KEY0004 by using Removal Tool;
  5. Delete found files;

Mac OS:

  1. Restart the computer;
  2. Press and Hold Shift button, before system will be loaded;
  3. Release Shift button, when Apple logo appears;
  4. Find programs or files potentially related to KEY0004 by using Removal Tool;
  5. Delete found files;

How to restore encrypted files

You can try to restore your files with special tools. You may find more detailed info on data recovery software in this article – recovery software. These programs may help you to restore files that were infected and encrypted by ransomware.

Restore data with Stellar Data Recovery

Stellar Data Recovery is able to find and restore different types of encrypted files, including removed emails.

  1. Download and install Stellar Data Recovery
  2. Choose drives and folders with your data, then press Scan.
  3. Select all the files in a folder, then click on Restore button.
  4. Manage export location. That’s it!
Download Stellar Data Recovery

 

Restore encrypted files using Recuva

There is an alternative program, that may help you to recover files – Recuva.

  1. Run the Recuva;
  2. Follow instructions and wait until scan process ends;
  3. Find needed files, KEY0004 them and Press Recover button;

How to prevent ransomware infection?

It is always rewarding to prevent ransomware infection because of the consequences it may bring. There are a lot of difficulties in resolving issues with encoders viruses, that’s why it is very vital to keep a proper and reliable anti-ransomware software on your computer. In case you don’t have any, here you may find some of the best offers in order to protect your PC from disastrous viruses.

Malwarebytes

Get Malwarebytes

Malwarebytes is a reliable antivirus application, that is able to protect your PC and prevent the infection from the start. The program is designed to be user-friendly and multi-functional.

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