Ninja ransomware. How to remove? (Uninstall guide)

removal by Ugnius Kiguolis - - | Type: Ransomware
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What is Ninja ransomware?

Ninja ransomware is a malware infection that you should be aware of. It’s a Russian Trojan horse that leads its victims to the loss of private data, which may be a serious issue for those who don’t have file backups. Although it is specifically targeting computers that are located in Russia, there is always a possibility that computers located in Europe, USA, Asia, etc. may also be affected since Ninja ransomware is typically spread via attachments dispersed in spam emails, illegal websites, infected links, and similar means that any computer user may encounter. Of course, if your PC’s system is properly protected, most likely that you will be informed about a malware attack and prevent it from settling down on the system. However, such dangerous ransomwares usually use exploit kits that find the smallest security loophole that allows the malware to get inside.

Once the attachment that carries Ninja ransomware Trojan is exploited, the user of a target computer may notice serious system slowdowns and common freezes. That’s because the ransomware initiated various system modifications and encrypts the following file formats: mp3, .jpg, .txt, .rtf, .7Z, .pdf, .doc., .zip, and many others. Right after that, Ninja ransomware replaces the wallpaper with a ransom warning (in Russian). The notification informs the user about file encryption and demands he/she to pay the ransom within one week. Besides, in order to prove that its capable of decrypting damaged data, it provides the user with an email address (ninja.gaiver@aol.com) and asks the user to send any of the encrypted file and returns it for free. However, in order to decrypt the rest of the data, the user will have to pay a considerable amount of money. Money-making method using ransomware infections is commonly applied these days, so you should start thinking of your PC’s security more responsibly, as well as ensure the immunity of your personal data by making file backups regularly. In this particular case, if Ninja malware has found the way on your PC, the first thing that you have to do is to remove the infection. After that, you may try using any of the software dedicated for restoring files. Unfortunately, there is no guarantee that after that all the encrypted data will be restored. However, paying the ransom also does not guarantee that, so you may lose both money and data. If you have backups of your main files, then you are lucky! Launch Reimage or another reputable anti-spyware and remove Ninja ransomware right away.

Ninja ransomware

How can Ninja ransomware hijack my computer?

Just like any of its ancestors like, for instance, CoinVault, CryptoWall 3.0, TeslaCrypt, and many other ransomware infections, Ninja malware is usually spread via spam email attachments. The email may inform you about such things as missing payments, pre-paid purchases, taxes. In some of the cases, this ransomware may be disguised under various pictures, videos or .pdf files that you are urged to see because they make fun of you or contain important information about you. Besides, Ninja Trojan may also be dispersed in fake software updates or links provided on corrupted websites. That’s why we always urge people not to open emails when they seem suspicious, their sender is not known for you, they contain spelling, grammar or typo mistakes, and so on. Besides, avoid visiting in illegal websites, adult content websites and other doubtful domains because they may be used for spreading viruses and malware. Therefore, if you had the contact with an infected email, link or other mean that has been used for spreading Ninja ransomware, sooner or later you will receive a notification (in Russian or English) saying that:

Your files are encoded, if you want to get them back, send one encoded file to this address:
Ninja.gaiver@aol.com
ATTENTION!!! You have 1 week to write an email for me, once the time is over, it will be impossible to decrypt!!!!

In this case, you should follow the instructions that we have provided for you and initiate and immediate Ninja ransomware removal.

How to remove Ninja ransomware virus?

First of all, do not fall for removing Ninja ransomware by yourself because it’s not possible. By initiating a removal manually, you risk damaging some important files and causing more serious troubles. Therefore, in order to remove Ninja ransomware completely, you should use one of the following programs: Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware.

Besides, don’t forget about file backups the next time. Make sure that each important file has an alternative storage, for instance USB external drive, CD, DVD, DropBox, and so on. More information of file backups can be found in Why do I need backup and what options do I have for that?

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What to do if failed?
If you failed to remove infection using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to uninstall Ninja ransomware. 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.

More information about this program can be found in Reimage review.

More information about this program can be found in Reimage review.

Manual Ninja virus Removal Guide:

Remove Ninja using Safe Mode with Networking

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

  • 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 Ninja

    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 Ninja removal.

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

Remove Ninja using System Restore

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

  • 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 Ninja. 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 Ninja removal is performed successfully.

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

About the author

Ugnius Kiguolis
Ugnius Kiguolis - The mastermind

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