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

removal by Gabriel E. Hall - - | Type: Ransomware
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Developers of NSMF ransomware asks to pay more than $13.500 for data recovery

Ransom note by NSMF ransomware virus

NSMF is a new ransomware[1] that encrypts files using AES cryptography. It belongs to the group of Hidden Tear based viruses and during data encryption appends .nsmf file extension.

Following data encryption, malware drops a ransom note called readme.txt. The message does not look like a real letter from cyber criminals. It sounds more like a joke.

The ransom note informs that user’s files were encrypted by NSMF (Nigga Stone My Files). In order to get back access to the data, users have to pay 5 Bitcoins or send a pizza. However, location, where pizza's order should be delivered, is not provided.

Currently, 5 Bitcoins equals to more than $13.500. Thus, hacker asks for an enormous amount of money. However, does not provide clear instructions about the transaction. It seems that paying the ransom is not a data recovery option.

Furthermore, developer of the ransomware talks about things he or she hates. It includes night clubs, desserts and being drunk. What victims can do with this information we cannot tell. However, we are certain that once you read this ransom note, you have to remove NSMF from the PC using Reimage.

Nevertheless, the ransom demanding message does not seem real; the virus is actually capable of encrypting files. It aims at the most popular file extensions and might encrypt Microsoft Office, various multimedia, databases, archives, etc.

One .nsmf file extension is added to each of the targeted files; victims cannot open and use them. However, it might be possible to restore data from backups, using Hidden Tear Decrypter or other third-party software.

Nevertheless, data recovery seems like the most important task; it’s not. First of all, you have to focus on NSMF removal. Only then you can look up for the best recovery solution.

Ransomware elimination is important because this cyber threat makes computer’s system vulnerable and might open backdoor. Thus, your PC might suffer from other cyber attacks.

The most common ways to get infected with ransomware

Authors of the NSMF virus is suspected of using multiple distribution methods:

  • malicious spam emails and their attachments;
  • fake downloads;
  • malvertising.[2]

These three distribution strategies are common among cyber criminals. Thus, you have to be aware of these methods in order to avoid similar cyber threats in the future.

Malicious spam emails are the most popular ransomware distribution technique. Crooks use social engineering techniques and send thousands of different phishing emails that include malicious links or attachments. Once they are clicked/opened, the payload is executed on the system.

Before opening Word, PDF or other safe-looking files, you have to look up for suspicious details that might identify a dangerous content. Usually, email services mark such emails as dangerous. However, crooks are getting better and better in bypassing security filters.

NSMF might also be distributed as a fake program on various file-sharing websites, P2P networks or torrents. If you need to install particular software, please choose credible download sources, such as publisher’s site.

When browsing the web, you might encounter numerous online ads. Nevertheless, they might promote useful stuff; some of them might include malware.

We recommend staying away from online ads that notify about won prizes, delivers security alerts or delivers huge discounts for expensive products because they are usually dangerous.

Instructions for NSMF removal

As we have already mentioned, NSMF removal is the most important task after ransomware attack. Trying to figure out how to pay the ransom and transfer thousands of dollars to criminal may lead to a huge financial loss.

After the attack, you need to disable the virus by rebooting the computer to Safe Mode with Networking. Then install reputable malware removal tool and run a full system scan with the help of it.

If you are not sure which tool to choose, you should take our advice and remove NSMF either with Reimage or Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus.

We might be affiliated with any product we recommend on the site. Full disclosure in our Agreement of Use. By Downloading any provided Anti-spyware software to remove NSMF ransomware virus you agree to our privacy policy and agreement of use.
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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 NSMF ransomware virus. 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 NSMF virus Removal Guide:

Remove NSMF 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.

In order to run automatic NSMF removal, you may need to disable the virus first.

  • 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 NSMF

    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 NSMF removal.

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

Remove NSMF using System Restore

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

This method also helps to disable the ransomware in order to run automatic removal.

  • 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 NSMF. 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 NSMF removal is performed successfully.

Bonus: Recover your data

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

There are several ways how you can try to recover your files. However, the best method is backups. But if you do not have them, please try methods described below.

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

Data Recovery Pro – automatic recovery tool

This professional software has been created for recovering corrupted, deleted and some of the encrypted files. Thus, it may help after NSMF ransomware attack.

Take advantage of Windows Previous Versions feature

If System Restore has been activated before ransomware attack, you can try this useful Windows feature. By following steps below, you can access previously saved versions of encrypted files.

  • 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 ShadowExplorer for data recovery

NSMF should not delete Shadow Volume Copies. Thus, this tool might help to restore files from shadow copies.

  • 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.

Hidden Tear Decrypter for NSMF ransomware

This cyber threat is based on Hidden Tear open-source code. The original virus is decryptable. Thus, it's decryptor might help to recover files with .nsmf extension. You can download it from here.

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

About the author

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

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References