Remove NaS Virus (.NaS Files Ransomware) – Dharma Ransomware

NaS – Ransomware

The NaS stands for a ransomware-type infection. The virus comes from the Dharma ransomware family. NaS was elaborated particularly to encrypt all major file types. When the file is encrypted people are unable to use them. NaS adds the “.NaS” extension for each file encrypted by it. For example, the file “myphoto.jpg“, as soon as encrypted by NaS, will be renamed into “myphoto.jpg.NaS“. As quickly as the encryption is finished, NaS places a special text file into every folder containing the encrypted data.

The message given by NaS text file requesting the ransom is absolutely the like the statements given by other ransomware representatives coming from the Dharma type. It actually points out that the info is encrypted and that the only way to restore it is to use a a distinct decryption key. Sadly, this is definitely true. The type of cryptography mechanism used by NaS is still not properly examined. Still, it is absolutely certain that each victim might be given the specific decryption key, which is absolutely distinct. It is difficult to bring back the files without the key available.

Another trick of NaS is that the victims cannot gain access to the key. The key is stored on a particular server run by the frauds associated with NaS ransomware. To get the key and recover the important info people have to pay the ransom.

However, regardless of the asked for quantity, people need to keep away from paying the ransom virus. Cyber frauds are unfair, so they tend to completely ignore what their victims feel about the problem, even when the payment reaches their pockets. This is why paying the ransom typically does not provide any positive outcome and people simply waste their money for nothing.

We highly recommend that you do not contact these crooks and certainly do not transfer money into their accounts. It is said to admit that there are no utilities able to crack NaS ransomware and to recover the data data free of charge. Hence, the just best decision is to recover the lost information from the available backup.

Virus Summary

Name NaS Ransomware
File Extension .NaS
Type Ransomware
Family Dharma
Short Description The ransomware encrypts all the data stored on your system and requires a ransom to be paid on your part supposedly to recover your important files.
Symptoms File encryption by the ransomware is performed by means of the AES and RSA encryption algorithms. Once the encryption is completed, the ransomware adds its special NaS extension to all the files modified by it.
Distribution Method Spam Emails, Email Attachments
Removal Tool   GridinSoft Anti-Malware

Bear in mind that the web is now overwhelmed with threats that look similar to NaS ransomware. Harmful programs of such kind are usually elaborated to encrypt essential data and to state the demand before the user to pay the ransom. The peculiarity of all such ransomware threats is that all apply a comparable algorithm to create the distinct decryption key for information decryption.

Thus, as long as the ransomware is still being developed or has some hidden bugs, manually recovering the information is simply not feasible. The only method to prevent the loss of your important data is to routinely create backups of your important information.

Bear in mind that even if you create such backups, they must be put into a special storage utility not connect to your main computer. You may use the USB Memory Stick or external hard drive for this purpose, or refer to the help of the cloud storage. If you save your backup files on your common system they may be encrypted together with other files, so it’s absolutely not a good storage location.

How did ransomware infect my system?

There are several ways used by online frauds to distribute NaS ransomware. Even though it is uncertain how precisely NaS injects your system, there are some leaks through which it may penetrate the system:

  • integration with third-party software application, especially freeware;
  • spam e-mails from unidentified senders;
  • sites rendering free hosting services;
  • pirated peer-to-peer (P2P) downloads.

Often NaS ransomware may be presented as some legitimate software, for instance, in the pop-ups instructing users to carry out some essential software application updates. This is the typical trick used by online scams to persuade people into downloading and installing NaS infection manually, by means of their direct participation in the installation process.

Additionally, the criminals may describe various e-mail spam methods to inject harmful codes into Windows PC. So, they may refer to to sending unsolicited spam emails with tricky notifications promoting users to download the attachments or click on certain download links, for example, the ones encouraging users to open some video, files, tax reports or invoices.

Needless to mention, opening such files or clicking on such dangerous links may significantly damage the system. Fictitious Adobe Flash Player update alerts may result in NaS ransom injection. As for the cracked software, these illegally downloaded programs may also consist of malicious codes leading to NaS secret installation. Finally, injection of NaS may happen by methods of Trojans that covertly get injected into the system and install malicious utilities without the user’s consent.

Is there any way to avoid the injection of NaS ransom virus?

Despite the fact that there is no 100% guarantee to prevent your PC from getting infected, there are some pieces of advice we want to show with you. Firstly, be very mindful when you surf the web and particularly while downloading totally free apps. Keep away from opening suspicious email attachments, especially when the sender of the email is not familiar to you.

Remember that some freeware installers may contain other unwanted utilities in the package, so they may be malicious. Ensure that your current antivirus and your entire operating system is always appropriately updated.

Obviously, downloading pirated software is illegal and may result in necessary damage to be made for your system. Thus, stay away from downloading cracked software. You are also strongly encouraged to reconsider your existing security software and possibly switch to another security solution that can render better services of protecting your system.

Below please find the quotation from the NaS text file:

all your data has been locked us
You want to return?
Write email fastnas@fea.st or gds134s@mm.st 

Screenshot of files with “.NaS” extension added by the ransomware:

Use GridinSoft Anti-Malware to remove NaS ransomware from your computer

1.Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

  GridinSoft Anti-Malware

2. Double-click on the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-ag.exe file to install GridinSoft Anti-Malware on your computer.

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

3. Press Install button for run GridinSoft Anti-Malware.

3.Once installed, GridinSoft Anti-Malware will automatically run.

4. Wait for the GridinSoft Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your computer for Win Speedup 2018 and other malicious programs. This process can take a 20-30 minutes, so we suggest you periodically check on the status of the scan process.

5. Click on “Clean Now”.

When the scan has completed, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

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Daniel Zimmermann

Daniel Zimmermann has been writing on security and malware subjects for many years and has been working in the security industry for over 10 years. Daniel was educated at the Saarland University in Saarbrücken, Germany and currently lives in New York.

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