How to remove Domn virus and restore encrypted files

Guide how to remove Domn virus and decrypt .Domn files corrupted by ransomware. Effective antivirus and programs that can help you to restore lost information.

In the article I want to speak about new version of fu..nny DJVU family that is so dangerous and widespread like no other virus and can be compared only with WannaCry ransomware. This virus adds to encrypted files Domn extension and make them impossible to use. Unfortunately, it's impossible now to decrypt files, but you can try to restore them using Shadow copies. But the first step will be checking system to the viruses to prevent new infection and updating every important system companent. So, I tried to collect a useful advices to do it.

Domn ransomware virus

Ransomware is a type of malware from cryptovirology that threatens to publish the victim's data or perpetually block access to it unless a ransom is paid. While some simple ransomware may lock the system in a way which is not difficult for a knowledgeable person to reverse, more advanced malware uses a technique called cryptoviral extortion, in which it encrypts the victim's files, making them inaccessible, and demands a ransom payment to decrypt them.In a properly implemented cryptoviral extortion attack, recovering the files without the decryption key is an intractable problem – and difficult to trace digital currencies such as Ukash or Bitcoin and other cryptocurrency are used for the ransoms, making tracing and prosecuting the perpetrators difficult.

From Wikipedia.


The point is that suchlike viruses use the famous ciphers, such as the AES and the RSA. They are simply the very intricate ones, and you cannot break them. Actually, you may decrypt them if you have a hundred years of regular computer’s operation time or several years of operation on the most productive computer on the planet. We are sure that neither of the given options suits a victim. We will teach you that encrypting viruses can plainly be avoided, but if it is already in the system – you’re in trouble.

The encoding programs are the programs that infest users’ systems and encode their information to gain money for its restoration. The penetration is usually performed with the help of malspam campaigns or 0-day Trojans. E-mail fraud is not hard to recognize – it will come without any notice, with a file in it. If we are talking about zero-day vulnerabilities, its way more complicated – you will not sense it coming before you get encrypted which means that the most effective way is to properly download the newest updates for the OS and other utilities that you have in it.

Modern ransomware programs are not too complicated in their structure, though even the very carelessly made virus is highly hazardous, and we can prove our point. They all use the super-complex encryption algorithms. Malicious programs do not take the information. It simply wants to infect the hard drive, encode your data and remove the originals, placing the encoded copies instead of them. There is no use of those files afterwards. You cannot read the files and cannot return them to norm.

As soon as the encryption is finished, hackers show you a letter with demands, and when it appeared – you know that the data are spoiled. The only turn you can take now - to eliminate a virus from the hard drive and try to reconstruct the data. We have said “try” since the probability to achieve success with no decryptor are faint.

Ransomware virus note

How to remove Domn

It’s highly important to delete ransomware until you proceed since if it remains in your system – it will begin encoding each file that comes into the system. You should know that any device you are sticking into the infected PC will become ciphered too. We're certain that it's not great for you, so just delete the virus via following this useful advice. Don't forget that the removal won’t recover your files, and if you do it, you won’t be capable of paying money to fraudsters. We advise doing that as every dollar received is making scammers more positive in fraud schemes and increases their money to produce other ransomware programs. It's worth mentioning that when you’re dealing with hackers, they won't give you a warrant that the files will be recovered when they receive the money. They have just spoiled your files, and we don't think that you want to give them any payment.

Step 1. Boot in 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

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Step 5. Disable Safe mode

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

Deactivate Safe mode

Domn decryption instruction

Ransomware virus is the worst thing that belongs to the list of the hairiest hazards of the Web. It's a clear robbery, but with no real plunderers involved: ransomware owners infect the computer and grab everything they need, leaving you with an empty system, filled with encrypted data. Domn virus is the clearest instance of encrypting malware: it’s not difficult to pick up and too hard to beat, but there are some things you can do. You have to realize that some the suchlike viruses will never get defeated, so one of them is on your computer – your information might be already lost forever. Sometimes criminals make a mistake to develop the way to uninstall their virus or to turn the tide. The user can be protected by some controls of the OS, and we will tell you how to use it.

After the ransomware is deleted from the PC, and you checked it, it’s time to learn more about the decryption manners. From the very beginning, we should say that the most reliable manner is to use the safety copies. In case you had the backups of your information and the ransomware is fully removed – do not worry. Erase the encoded information and use the backups. In case you had no previously saved copies – the chances to restore the data are significantly lower. The only chance to make it is the Shadow Volume Copies. We're talking about the common tool of Windows, and it duplicates each bit of information that was changed. They may be accessed through specific recovery programs.

No doubt, the modern encrypting programs can delete these files, but if you're working without administrator rights, Domn simply had no way do that because of no rights. You might recall that a few minutes prior to the showing of a ransom letter you have seen another menu, offering to alter your OS. If you have blocked these changes – your copies are safe and waiting for you, and they can be found and used through custom programs as Shadow Explorer or Recuva. You can simply find each of them in the Web. You may download them from the sites of their developers, with simple instructions. In case you need more explanations on this topic – you might read this entry on file restoration: article about files decryption.

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