How to remove Norvas virus and restore encrypted files

The article’s aim is to help you to delete Norvas encrypting malware. On this page, we will present you the very effective hints on Norvas removal, details about file decryption. We also provide the amount of information about ransomware, which might help you to evade infection in future.



Ransomware is one of the nastiest virus type and additionally the most widespread threat in Internet. It's a real plunder, but with no alive pillagers near you: web-criminals penetrate the device and take all they wish, casting you aside with an empty system, filled with spoiled data. Norvas ransomware is the bright instance of encrypting programs: it is easy to pick up, not hard to remove, but difficult to restore files. In next paragraph, we will explain to you what ransomware is and how virus infected your PC. We will tell you what to do to avoid encrypting virus' penetration, and what you can do to get your data back. Do not forget that most of the suchlike viruses will never get decrypted, so one of them is on your PC – your data might be already lost completely. There is a possibility that web-criminals made an error to create the switch to neutralize ransomware or to turn the tide. Concretely there are decryptors by bit defender, Kaspersky lab and others who research virus accommodation. Data can be safe if specific controls and permissions on computer are enabled, and we will teach you how you can use it.

Norvas ransomware virus

The program structure of ransomware is not a big deal, but even the clumsiest ransomware is highly effective, and we will explain to you why. They all use the super-powerful encryption algorithms. Ransomware does not literally grab your files. All it has to do is to penetrate the computer, encrypt the files and delete the real data, putting the spoiled versions in their place. The files are unreadable when they are encrypted. You cannot use them and cannot bring them to norm. There are several ways to reconstruct the files, and they all are written at the end of the entry.

The encoding programs, also known as ransomware, are the viruses that get into users’ devices and cipher their information to gain money for its restoration. More often than not, fraudsters get on customer's computer via malspam campaigns or 0-day vulnerabilities. Malicious mails are not hard to recognize. They come unexpectable and have some files attached to it. When it comes to zero-day vulnerabilities, it’s way harder – you won’t see that it's coming before you get taken over which means that the most effective method is to automatically update the system and other utilities which you use.

The point is that modern encrypting programs take advantage of the publically accessible encryption algorithms, known as the RSA and the AES. These two are simply the most complex ones, and an ordinary user cannot break them. Actually, you might decipher them if you have a hundred years of usual PC’s operation time or a few years of operation on the most productive computer in the world. We are certain that neither of these options suits you. The best way to beat ransomware is to stop it on the earlies stage, and we will explain to you how it could be done.

As soon as the encryption is performed, fraudsters show you a note with directives, and when you see it – it is too late. The smartest turn you can take now - to remove a virus from your computer and concentrate on the data restoration. We have said “attempt” since the chances to deal with it with no decryptor are low.

How to remove Norvas

It is important to delete a virus completely before you go on, because if it stays in the system – it will begin encrypting each file, which enters the system. You have to realize that every storage with data you are connecting to the spoiled computer can be encrypted too. To avoid that – uninstall Norvas through following this simple step-by-step guide. Remember that the after deletion you will not be capable to pay the ransom. It will be positive as every payment-received makes scammers more motivated in fraud schemes and gives them more money to invent more encrypting programs. Significant point is that when you are dealing with hackers, they can easily take the funds and ignore you. They have recently ciphered your information, and you do not need to give them the ransom after that.

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

To be sure, you delete all virus parts we suggest scanning the system by professional scanner.

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Step 5. Disable Safe mode

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

Deactivate Safe mode

How to decrypt Norvas files

After Norvas is removed from the PC, and you are certain about it, you need to think about the recovery methods. Firstly, we should say that the only 100% effective technique is to have the backup copies. In case you had the copies of the data and Norvas is destroyed – do not worry. Erase the wasted data and load the backups. In case there were no backups – the odds of getting the data are critically low. The only chance to make it is the Shadow Volume Copies. It is the common service of Windows, and it duplicates each file that was changed. You can find them through specific recovery tools.

All complex encrypting programs can remove file copies, but if you use an account without admin permissions, Norvas simply could not do that without your allowance. You might remember that sometime before you saw a ransom message you have seen another menu, offering to apply changes to the OS. If you have blocked those changes – your copies are still there waiting for you, and you can use them and repair the data through special tools as Shadow Explorer or Recuva. You can simply find each of them in the websites. Each of them has its official pages so you may download them there with detailed instructions. In case you require more explanations about this – you may look at our article about file recovery: article about files decryption.

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