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StupidJapan ransomware. How to remove? (Uninstall guide)

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

StupidJapan ransomware – a computer virus that targets Korean, Japanese, or English speakers

StupidJapan ransomware virus
StupidJapan ransomware is a cryptolocker which encrypts data such as images, databases, text documents, audios, videos, etc.
StupidJapan ransomware is a computer virus which can appear in the system thru phishing email messages.[1] This ransomware virus locks up files such as databases, text documents, images, and others. After that, the ransomware virus displays a specific message. As we can see from the dubious note, cybercriminals target Korean, Japanese, or English-speaking users. However, the ransom message does not provide any specific details about the ransom price. Actually, the note seems to be written in a form of a joke and maybe even to insult the user by calling him/her “stupid”. Furthermore, StupidJapan virus can come with a file named StupidJapan Ransomware.exe. Additionally, the crooks provide sealocker@daum.net email as a way to make contact. However, if you ever overcome this ransomware virus in your computer system, do not rush to write the cybercriminals as you might easily get scammed.

Name StupidJapan 
Category Ransomware virus
Sub-category Malware
Target Korean, Japanese, English-speaking people
Files locked Databases, text documents, images, and others
Related file StupidJapan Ransomware.exe.
Email given sealocker@daum.net
Elimination Get rid of the threat automatically, also, use Reimage to detect hazardous payload

According to technology specialists from SenzaVirus.it web page,[2] cybercrooks are most likely to scam gullible users. They often trick people by threatening that files will be lost after some time or in other ways. However, we suggest avoiding contact with these hackers and definitely not paying the demanded price if there is one urged. StupidJapan ransomware might also seek to benefit from you, so be very careful while dealing with such tricky cyber threat.

Moreover, StupidJapan ransomware might have other damaging abilities. Some cryptolockers are able to inject other malware such as trojans straight into the system as your computer is already very vulnerable to other infections. Nevertheless, some ransomware are capable of deleting Shadow Volume Copies of encrypted documents or adding dubious entries to the Windows Registry.[3]

Avoid all beforementioned unwanted activities by performing the StupidJapan ransomware removal. For this purpose, we suggest using reliable anti-malware programs. Furthermore, you can download and install a tool such as Reimage to detect all rogue content that the ransomware might have brought together with itself. Note that manual removal is not an option for this case. The cyber threat might be too hard to get rid of which might cause only more damage after all.

Here you can see the StupidJapan ransomware message:

Are You The Stupid Japan? 
Let's have yours. 
The facts are being heard. 
Do not regret it later and apologize quickly ! 
What to do. 
Your personality will be known to the world as garbage. 
I apologize to the Republic of Korea officially sorry! 

After you remove StupidJapan virus, you can start looking for methods to recover your encrypted data. We suggest taking a look at our below-provided data recovery methods. Make sure you choose the most suitable one for you and the process might bring success. Furthermore, be ready for the future, store important documents on remote servers or devices and keep them unreachable for anyone except yourself.

Email spam – the main ransomware distribution source

If your computer is infected with a fraudulent ransomware virus, there is a big chance that the cyber threat came from a rogue email message and its attachment. Try to remember if you have recently opened a suspicious-looking email message or its attachment. Note that the hazardous payload comes attached to the email. However, be more careful in the future – do not open any messages that you were not expecting to receive, moreover, always identify the sender.

Additionally, having a strong antivirus program on your computer will increase the protection level. Make sure you download and install only expert-recommended software as there is a bigger chance that such tools will work properly. Furthermore, you should always update the antivirus program when it is necessary. After you complete all these steps, you can worry less, when you browse the web, the anti-malware software[4] will prevent various threats from entering your computer screen.

Eliminate StupidJapan ransomware 

If you are wondering how to remove StupidJapan virus, you have come to the right place. For elimination we suggest using only reputable tools, and for detecting rogue components try out a program such as Reimage, Malwarebytes MalwarebytesCombo Cleaner, or Plumbytes Anti-MalwareMalwarebytes Malwarebytes. After you complete the removal process, make sure to refresh the entire computer system and check if all malware-related content was eliminated permanently.

Moreover, after you proceed with the StupidJapan ransomware removal, take a look at our below-provided third-party software that might help you with data recovery purposes. All in all, remember that the key to safety is your own cautiousness. Always pay attention to your computing work, do not access any rogue links or programs, and use reputable antivirus tools to protect the system automatically.

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Compatible with Microsoft Windows Supported versions Compatible with OS X Supported versions
What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. 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.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Malwarebytes.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove StupidJapan virus, follow these steps:

Remove StupidJapan using Safe Mode with Networking

Perform these steps to disable the virus by turning on the Safe Mode with Networking function:

  • 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 StupidJapan

    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 StupidJapan removal.

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

Remove StupidJapan using System Restore

Activate System Restore to disable the ransomware. Use these instructions:

  • 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 StupidJapan. 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 StupidJapan removal is performed successfully.

Bonus: Recover your data

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

Get encrypted files back by performing the below-given methods.

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

Use Data Recovery Pro for file restoring purposes:

This method might be really helpful. Try it out if you want to recover files that were blocked by the StupidJapan ransomware virus.

  • 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 StupidJapan ransomware;
  • Restore them.

Use Windows Previous Versions function to recover data:

Make sure that you have set System Restore before the cyber attack had emerged and try this tool.

  • 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”.

Try Shadow Explorer to restore some of your files:

This tool might be very useful, however, it can work only under one condition – Shadow Copies of encrypted files should remain untouched by the virus.

  • 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.

No official decryptor has been discovered yet.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from StupidJapan and other ransomwares, use a reputable anti-spyware, such as Reimage, Malwarebytes MalwarebytesCombo Cleaner or Plumbytes Anti-MalwareMalwarebytes Malwarebytes

About the author

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

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