.cxk_nmsl Files Virus (CXK-NMSL Ransomware) - How to Remove
THREAT REMOVAL

.cxk_nmsl Files Virus (CXK-NMSL Ransomware) – How to Remove

.cxk_nmsl Files Virus virus remove

What is .cxk_nmsl files virus .cxk_nmsl files virus is also known as .cxk_nmsl ransomware and encrypts users’ files while asking for a ransom.

.Cxk_nmsl files virus also known as CXK-NMSL ransomware is a ransomware from an unknown hacking collective aiming to infect as many users as possible. Due to the fact that there is currently no information available about the distribution methods we anticipate that the most popular ones are to be used. The virus may start different malicious components and in the end will encrypt target user data with a strong cipher, resulting in them being inaccessible and renamed with the .cxk_nmsl extension. The victims will be blackmailed into paying the hackers a “decryption fee”.

Threat Summary

Name.cxk_nmsl Files Virus
TypeRansomware, Cryptovirus
Short DescriptionThe ransomware encrypts files on your computer machine and demands a ransom to be paid to allegedly restore them.
SymptomsThe ransomware will blackmail the victims to pay them a decryption fee. Sensitive user data may be encrypted by the ransomware code.
Distribution MethodSpam Emails, Email Attachments
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User ExperienceJoin Our Forum to Discuss .cxk_nmsl Files Virus.
Data Recovery ToolWindows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive.

cxk_nmsl Files Virus — Version 3.3 Released in February 2020

Security researchers have discovered a new version of the cxk_nmsl Files Virus ransomware which is titled as version 3.3 — so far this is the latest iteration. It includes a new ransom note which gives us reasons to believe that it may be possible that a different group is behind the attacks.

The virus analysis shows the threat contains a lot of advanced functionality, the active components are the following:

  • Data Modification — The main virus engine can rename, delete and modify existing files which are found on the victim’s hard drive.
  • Security Bypass — The virus engine has been found search for any installed security applications and actively bypass them. This can work against most of the popular types of software — firewalls, anti-virus programs, sandbox environments and virtual machine hosts.
  • Network Activity — The cxk_nmsl virus can check if there is an active network Internet connection. We anticipate that in future releases the developers can integrate a Trojan module which will allow the hackers to take over control of the victim machines.
  • Additional Malware Delivery — Other viruses can be installed by an active cxk_nmsl virus infection: Trojans, ransomware, hijackers and cryptocurrency miners.

A dangerous feature of this ransomware is that it includes valid signed security certificates which makes discovery very dangerous.

cxk_nmsl Files Virus — Update September 2019

The cxk_nmsl Files Virus is a generic malware which is known to researchers under several names including Chinese BAT or Trojan Bat Ransom. It is being spread by an unknown hacking group, presumably from China or a Chinese-speaking country. What’s particularly dangerous abut it is that the behavior will change depending on the actual local conditions or the instructions of the hackers. This malware sequence is run by creating a special BAT file that will include the commands that are to be run.

.cxk_nmsl Files Virus – Detailed Description

As a new ransomware the .cxk_nmsl Files Virus will use the traditional tactics of spreading to the intended users. A large part of the viruses that are sent by criminals make use of email phishing campaigns and can create malicious sites that appear as being operated by a well-known service and company. They are usually hosted on domain names that sound familiar and the pages may even include security certificates.

The other common way of spreading the .cxk_nmsl files virus is by crafting special file carriers that will institute the threat as soon as the users open them up. This includes any macro-infected documents which have malicious commands built into them, this can include all popular formats: presentations, text documents, spreadsheets and databases. The other type is the creation of malicious application installers which are often of software that is frequently downloaded by end users. These programs can also be spread over file-sharing networks, specifically BitTorrent where both pirate and legitimate content is found.

As soon as the infection is made the .cxk_nmsl Files Virus will start to launch its built-in modules. By following the example of most modern virus threats this will begin the infection with a boot options change which will automatically start the main engine as soon as the computer is powered on. This is done in order to make sure that the virus will always start and be able to meddle with the system. A very important component which is run by the main .cxk_nsml files virus engine is the data harvesting one which is designed to collected information that can be used to identify the victims and be used for crimes like identity theft. If any machine information is gathered then it can be used to create unique signature which will be assigned to each compromised machine.

The collected information about the infected systems can be used to scan the system for any security software that can block the proper execution of the threat. The list includes any anti-virus programs, firewalls, sandbox environments and virtual machine hosts. They will be bypassed or entirely removed.

What’s more dangerous is the fact that the virus may lead to various Windows Registry changes — this will result in serious performance issues, data loss and unexpected errors.

The ransomware engine will be started following the completion of the modules. By using a built-in list of target file type extensions: archives, databases, multimedia files, documents, backups and etc. All affected files will receive the .cxk_nsml extension and an associated ransomware note will be made in order to blackmail the victims into paying the operators a decryption fee.

.cxk_nmsl Files Virus – What Does It Do?

The .cxk_nmsl Files Virus is a crypto virus programmed to encrypt user data. As soon as all modules have finished running in their prescribed order the lockscreen will launch an application frame which will prevent the users from interacting with their computers. It will display the ransomware note to the victims.

You should NOT under any circumstances pay any ransom sum. Your files may not get recovered, and nobody could give you a guarantee for that.

The .cxk_nmsl Files Virus cryptovirus could be set to erase all the Shadow Volume Copies from the Windows operating system with the help of the following command:

→vssadmin.exe delete shadows /all /Quiet

If your computer device was infected with this ransomware and your files are locked, read on through to find out how you could potentially restore your files back to normal.

Remove .cxk_nmsl Files Virus

If your computer system got infected with the .cxk_nmsl Files ransomware virus, you should have a bit of experience in removing malware. You should get rid of this ransomware as quickly as possible before it can have the chance to spread further and infect other computers. You should remove the ransomware and follow the step-by-step instructions guide provided below.

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Martin Beltov

Martin graduated with a degree in Publishing from Sofia University. As a cyber security enthusiast he enjoys writing about the latest threats and mechanisms of intrusion.

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Windows Mac OS X

How to Remove .cxk_nmsl Files Virus from Windows.


Step 1: Boot Your PC In Safe Mode to isolate and remove .cxk_nmsl Files Virus

OFFER

Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your PC with SpyHunter

Keep in mind, that SpyHunter’s scanner is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter's malware removal tool to remove the malware threats. Read our SpyHunter 5 review. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria

1. Hold Windows key() + R


2. The "Run" Window will appear. In it, type "msconfig" and click OK.


3. Go to the "Boot" tab. There select "Safe Boot" and then click "Apply" and "OK".
Tip: Make sure to reverse those changes by unticking Safe Boot after that, because your system will always boot in Safe Boot from now on.


4. When prompted, click on "Restart" to go into Safe Mode.


5. You can recognise Safe Mode by the words written on the corners of your screen.


Step 2: Uninstall .cxk_nmsl Files Virus and related software from Windows

Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it. To do that:


1. Hold the Windows Logo Button and "R" on your keyboard. A Pop-up window will appear.


2. In the field type in "appwiz.cpl" and press ENTER.


3. This will open a window with all the programs installed on the PC. Select the program that you want to remove, and press "Uninstall"
Follow the instructions above and you will successfully uninstall most programs.


Step 3: Clean any registries, created by .cxk_nmsl Files Virus on your computer.

The usually targeted registries of Windows machines are the following:

  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce

You can access them by opening the Windows registry editor and deleting any values, created by .cxk_nmsl Files Virus there. This can happen by following the steps underneath:

1. Open the Run Window again, type "regedit" and click OK.


2. When you open it, you can freely navigate to the Run and RunOnce keys, whose locations are shown above.


3. You can remove the value of the virus by right-clicking on it and removing it.
Tip: To find a virus-created value, you can right-click on it and click "Modify" to see which file it is set to run. If this is the virus file location, remove the value.

IMPORTANT!
Before starting "Step 4", please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.

Step 4: Scan for .cxk_nmsl Files Virus with SpyHunter Anti-Malware Tool

1. Click on the "Download" button to proceed to SpyHunter's download page.


It is recommended to run a scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by SpyHunter. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria.


2. After you have installed SpyHunter, wait for it to update automatically.

SpyHunter5-update-2018


3. After the update process has finished, click on the 'Malware/PC Scan' tab. A new window will appear. Click on 'Start Scan'.

SpyHunter5-Free-Scan-2018


4. After SpyHunter has finished scanning your PC for any files of the associated threat and found them, you can try to get them removed automatically and permanently by clicking on the 'Next' button.

SpyHunter-5-Free-Scan-Next-2018

If any threats have been removed, it is highly recommended to restart your PC.

Step 5 (Optional): Try to Restore Files Encrypted by .cxk_nmsl Files Virus.

Ransomware infections and .cxk_nmsl Files Virus aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.

1. Download the reccomended Data Recovery software by clicking on the link underneath:

If the above link does not work for you and your region, try the other two links below, that lead to the same product:

and

2. On the download page, click on the "Download" button:

3. Click on "Save File" button:

4. Accept all agreements and click "Next":

5. After all the "Next" steps, click on "Install" and then wait for the installation to complete:

6. Run the software. Click on the location to scan for missing or deleted files and click on "Scan":

7. Wait for the scan to complete, it may take some time. Be advised that this scan is not 100% guaranteed to recover all files, but it does have some chance to get your data back:


Windows Mac OS X

Get rid of .cxk_nmsl Files Virus from Mac OS X.


Step 1: Uninstall .cxk_nmsl Files Virus and remove related files and objects

OFFER
Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your Mac with SpyHunter for Mac
Keep in mind, that SpyHunter for Mac needs to purchased to remove the malware threats. Click on the corresponding links to check SpyHunter’s EULA and Privacy Policy


1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:


2. Find Activity Monitor and double-click it:


3. In the Activity Monitor look for any suspicious processes, belonging or related to .cxk_nmsl Files Virus:

Tip: To quit a process completely, choose the “Force Quit” option.


4. Click on the "Go" button again, but this time select Applications. Another way is with the ⇧+⌘+A buttons.


5. In the Applications menu, look for any suspicious app or an app with a name, similar or identical to .cxk_nmsl Files Virus. If you find it, right-click on the app and select “Move to Trash”.


6: Select Accounts, after which click on the Login Items preference. Your Mac will then show you a list of items that start automatically when you log in. Look for any suspicious apps identical or similar to .cxk_nmsl Files Virus. Check the app you want to stop from running automatically and then select on the Minus (“-“) icon to hide it.


7: Remove any left-over files that might be related to this threat manually by following the sub-steps below:

  • Go to Finder.
  • In the search bar type the name of the app that you want to remove.
  • Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
  • If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.

In case you cannot remove .cxk_nmsl Files Virus via Step 1 above:

In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below:

Disclaimer! If you are about to tamper with Library files on Mac, be sure to know the name of the virus file, because if you delete the wrong file, it may cause irreversible damage to your MacOS. Continue on your own responsibility!

1: Click on "Go" and Then "Go to Folder" as shown underneath:

2: Type in "/Library/LauchAgents/" and click Ok:

3: Delete all of the virus files that have similar or the same name as .cxk_nmsl Files Virus. If you believe there is no such file, do not delete anything.

You can repeat the same procedure with the following other Library directories:

→ ~/Library/LaunchAgents
/Library/LaunchDaemons

Tip: ~ is there on purpose, because it leads to more LaunchAgents.


Step 2: Scan for and remove .cxk_nmsl Files Virus files from your Mac

When you are facing problems on your Mac as a result of unwanted scripts and programs such as .cxk_nmsl Files Virus, the recommended way of eliminating the threat is by using an anti-malware program. Combo Cleaner offers advanced security features along with other modules that will improve your Mac’s security and protect it in the future.


Step 3 (Optional): Try to Restore Files Encrypted by .cxk_nmsl Files Virus on your Mac.

Ransomware for Mac .cxk_nmsl Files Virus aims to encode all your files using an encryption algorithm which may be very difficult to decode, unless you pay money. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files, but only in some cases. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.

1. Download the recommended Data Recovery Mac app by clicking on the link underneath:

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