How to remove Nozelesn virus and restore encrypted files

This article is created to help you to get rid of a dangerous virus, called Nozelesn ransomware. This type of programs is overly nasty and by keeping it into the system your exposing it to even more harm than it already took. Here we will teach you how to get rid of Nozelesn and recover your files if it’s possible.

Nozelesn ransomware virus

What is Nozelesn ransomware and how it works

First of all, you have to understand what is Ransomware in general and Nozelesn in particular. Ransomware is a sort of a program, specifically designed to get into the system and encrypt the information. Some versions can send the encrypted files to scammers, and some store them on your PC until you pay the ransom and get the encryption key. Ransomware varies from fake tools that are only pretending to encrypt your files and rely on your fear, to tools complicated enough to function for years without being beaten. Fake ones block the desktop with a banner, telling you that the system is encrypted and you have to pay, but this banner can be removed within a few minutes from the Safe mode. Complicated ones do everything correctly and have every single vulnerability checked and sealed, like Cerber or Locky viruses. Sometimes even those viruses get cracked by accident, or as a result of a long work, but Nozelesn is a bit different. It’s what we can call regular ransomware, with all the defining features but without any special ones.

Nozelesn gets into your system, encrypts your files and wants you to pay 0.1 BTC (about 650$) for their recovery. Nozelesn uses the AES and RSA encryption algorithms to encode your data, and these are not to be broken. These algorithms are used by military institutions, large banks, and financial organizations, law enforcement agencies of many countries, etc. They are so complicated that you will have to spend hundreds or even thousands of years to pick the key mechanically. This method is also known as Bruteforce, and that’s what everyone knows about decryption nowadays – if you type the combinations of symbols into that window long enough, sooner or later you’ll get a right one. Well, that’s not how it goes with modern ransomware.

Modern encryption viruses could be stopped, and here we’ll explain you how you can get your files back in case of ransomware infection:

  • First of all, the virus might be cracked by security specialists of major companies and antivirus vendors, or by independent enthusiasts, trying to earn a name and get a sweet job in some big corporation. This happens quite often, and if your files were encrypted, you should check specialized forums from time to time, to learn the news about your particular case.
  • Another option is that someone finds a killswitch – something that hackers have built in the virus to stop it if they want to. It might happen when they have another version ready to go and don’t want the old one to get hacked to keep their secrets. This might also happen if their conscience will suddenly awake, or if they will feel real pressure and try to get the police off their tail. Then all files will get decrypted and the virus will uninstall itself and disappear for good.
  • Third variant is to pay a ransom. It’s the bad one, as you have no guarantee that the files will be returned to their original state, and except that – each dollar you pay to scammers will convince them in the fact that their business is profitable. It will also help them to create another virus.
  • Here comes the best one. You can decrypt the files if you have a backup copy of them all, stored on an internal media. Then you just have to remove a virus completely and download the files onto your hard drive.
  • If you don’t want either to pay the ransom or to wait until someone will crack the ransomware’s code – there is another way. You can rely on hacker’s mistake and try to restore files by yourself. It will be more of a recovery than of a decryption, but the result is the same – your files will be safe and sound on your hard drive. We will explain how you can try this one below.

Virus adds next note HOW_FIX_NOZELESN_FILES.htm:

Nozelesn ransomware virus

How to remove Nozelesn ransomware

Ransomware deletion is a complicated process, and you cannot fail. If you will, and upload your files to the system, that’s still infected – ransomware will appear again, and you will have to deal with it. To avoid that scenario we advise you to use a decent antiviral tool for Nozelesn deletion. Under this paragraph, you’ll find a link to download Reimage and step-by-step instruction on Nozelesn deletion. Follow it carefully, if you want to succeed.

Removal instruction

Step 1. Boot into Safe mode

Safe mode

Start -> Msconfig.exe

Safe mode. Step 1

On the tab Boot select Safe boot

Safe mode. Step 2

Step 2. Check Startup folder

Start -> Msconfig.exe ->Disable unknown programs in the Startup tab


Step 3. Check hosts file

Modify hosts file, that located in C:\Windows\System32\drivers\etc\ .

Hosts file.Step 1

Open the file with Notepad and delete suspicious strings.

Hosts file.Step 2

It has to look like this:

Hosts file.Step 3

Step 4. Scan the system with antiviral scanner

Antivirus scanner

Why we recommend Reimage Repair

Detects viruses fully: all files and even registry keys of malware will be found

Can fix system errors

Protects your computer in the future

24/7 free support team

Reimage's scanner is only for malware detection. If the program detects a virus on the computer, you will need to purchase Reimage Repair's full version to delete viruses. Uninstall steps and Refund policy, EULA, Privacy Policy.

Step 5. Disable Safe mode

Start -> Msconfig.exe ->Disable Safe boot in the Boot tab

Deactivate Safe mode

How to restore data, encrypted by Nozelesn

There is the only way to get your files back – to load a backup. In case you have one saved and ready for use – don’t forget to completely remove Nozelesn from the PC before connecting a flash drive with your backups to it. In case you had your backups on the infected PC – here’s an instruction to restore the system.

If you’ve had no backups, you still have hope, but you should be ready that it won’t work. These methods are based on the possibility that you’re using your computer not from Admin account, and when Nozelesn infected the system, it had no permission to remove the Shadow Volume Copies of your files. To restore data from these copies, you can use such tools as Recuva and ShadowExplorer. Both of them are official and free, and you can find thorough instructions on the websites of their developers. Follow our article to read more about it: article about files decryption.

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