Remove Korean Ransomware Step by Step

Posted by John Larkin - August 19, 2016

Korean Ransomware Virus is Dangerous

There is no doubt that Korean is a ransomware created by the cyber criminals. You should be aware that once it is able to infect your computer system, it starts causing damages. Known as a ransomware, this infection shows a notification which requires the computer users to pay ransom fees to encrypt your personal files. Absolutely, Korean’s aim is obvious. That is to make you pay the money to the cyber criminals. According to our research, JPG, JPEG, PNG, GIF, AVI and other types of files can be encrypted by the ransomware.

korean-ransomware
What is more, it is spread through spam emails. When you click the links and attachments in spam emails, you are easy to get some cyber infections installed into the computer system and Korean can be one of them. Therefore, you must be careful when you open emails, otherwise, you may have to face the risk of getting the computer system infected with serious infections. Once being installed, the ransomware adds a password to certain types of files and displays a warning to urge you to pay the money to decrypt the files. Remember, no matter you pay the money or not, you still need to remove this malicious ransomware Korean, otherwiser, it will lock your new files.

Guide to Remove Korean Ransomware Virus

Step 1: End the Malicious Processes
Step 2: Show Hidden Files in the System
Step 3: Find out Malicious Files and Remove Them
Step 4: Decrypt Encrypted Files


Step 1: End malicious process via Windows Task Manager

1. Right click on the Task bar and select Start Task Manager (click Task Manager for Windows 8, 8.1 and 10).
Taskbar-Start-Task-Manager

2. In Processes tab, find out the processes of Korean ransomware virus and right click on it. (For Windows 8, 8.1 10 users, click Details tab). Usually, their processes are named randomly. After that, select Open File Location.
open-file-location

3. Go back to Task Manager and click End Process button (For Windows 8, 8.1 and 10 users, click End task). After that, delete all suspicious files in the folder.
End-Process


Step 2: Show hidden files and folders

For Windows Vista and 7 users,

1. Click Start button to open Start Menu.

2. Open Control Panel and click Appearance and Personalization.
Control-Panel

3. Click Folder Options.
folder-option

4. In the View tab, click Show hidden files, folders and drives and click OK.
show all hidden files

For Windows 8, 8.1 and 10 users,

1. Open any folder in your computer.

2. Click View tab and then tick Hidden items to show all hidden files.
hidden-items-windows-8


Step 3: Locate the files of Korean and remove them

1. Hit Win and R keys on the keyboard to open Run box.
keyboard-windows-r

2. Type regedit and click OK.

3. Navigate to the location as below and remove the file displayed [RANDOM]

HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionRun
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionRun
HKEY_LOCAL_MACHINESOFTWAREWow6432NodeMicrosoftWindowsCurrentVersionRun

4. Run this malware detect tool to find out malicious files in the system and delete them completely so that Korean ransomware virus will not come back again.


Step 4: Restore the system data from a recent backup to decrypt encrypted files

You can try the following recovery methods, but we cannot promise that they will help you recover your files, as Korean ransomware virus uses AES-265 and RSA encryption method.

Method 1: Use System Restore.

1. Press Ctrl+Shift+Esc keys simultaneously to open Task Manager.

2. At the top left corner, click File and then click New task (Run…).
file-new-task-windows-7

3. Type in rstrui in the box and click OK.
open-rstrui

4. Click Next.
system-restore-start

5. Select the restore point and click Next button.
select-restore-point

6. Click Finish button to confirm your restore point.
confirm-restore-point

7. Click Yes once you decide to restore your system.
last-confirm

Method 2: Use Shadow Volume Copies.

Shadow Copy (also referred as Volume Snapshot Service) is a technology in Windows that automatically backup copies or snapshots of computer files or volumes, even when they are being used. To recover your files, you can use Shadow Explorer that is for free.

1. Download Shadow Explorer from its official website and run it.
2. Select the drive and date of the backup files.
3. Right click the file or folder and click Export to save it.
shadow-explorer-export-file



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