How to remove Mosk virus and restore encrypted files

This entry was created to assist our readers to get rid of Mosk ransomware. On this page, we’ve gathered everything that you should know about Mosk elimination, in conjunction with some tips on the decryption of corrupted files. Here we have the basic hints about ransomware that can assist you to evade problems in future.

Mosk ransomware virus

Ransomware is the worst disaster which is among the ugliest threats on the Net. It's a typical robbery, but with no living robbers close to you: web-criminals penetrate your system and take everything they wish, leaving a user with a crippled system, filled with encoded files. Mosk virus is the clearest instance of this type of malware: it’s not difficult to find and too hard to beat, but we can help you with it. In this article, we want to tell you what is ransomware and how it got into your PC. We will make it clear to you what measures you must take to evade ransomware infection, and what you should do to decrypt your files. You have to understand that most of the ransomware will never get decrypted, so if you have one – your files may be already lost for good. There's a chance that fraudsters made a mistake to develop the way to remove ransomware or to reverse its doings. The user might be saved by certain settings of the PC, and we will tell you how you can apply it.

What is Mosk ransomware

The encoding programs, AKA ransomware, are the viruses that penetrate users’ devices and waste their files to demand a ransom from them. More often than not, swindlers get on victim's PC with the help of email fraud or zero-day vulnerabilities. E-mail fraud is pretty easy to recognize – you'll receive it suddenly, and it will have some files attached to it. If we're talking about zero-day vulnerabilities, it’s way harder – you'll never see that it's coming before you get encrypted which means that the most efficient defensive manner is to regularly update the system and other tools which you have in it.

Usual encrypting programs aren’t very complex in their code, but even the clumsiest ransomware is very efficient, and we’ll prove our point. It’s all about the mechanisms of encryption. Ransomware's aim is not to take your information. It only wants to penetrate the OS, spoil the information and erase the real data, placing the encrypted files in their place. There's no use of that data after that. You cannot use the files and cannot return them to norm. There are several techniques to reconstruct the information, and they all are explained in our entry.

The catch is that modern viruses use the well-known encoding systems, known as the AES and the RSA. These two are simply the most intricate in the world, and you can't decrypt them. Well, you might decipher them if you have a century of common computer’s working time or several years of work on the most efficient computing device of the planet. We're sure that neither of the given options suits a user. We will teach you that encrypting viruses can easily be evaded, but if it’s already in the system – you’re in trouble.

If the encryption is carried out, ransomware shows you a ransom message, and as it popped up – you know that the information is corrupted. There's only one thing you can do now - to eliminate ransomware from your CP and attempt to recover the information. We've said “attempt” since the chances to achieve success with no decryptor are pretty low.

How to remove Mosk

You need to remove Mosk until you proceed as if it remains in your system – it will go on encoding every single file that enters the PC. Even more - each device you are linking to the spoiled PC will become infected as well. To avoid that – remove the virus through adhering this plain step-by-step instruction. Remember that the uninstallation won’t reverse caused harm, and after doing this, you will not be able to pay money to scammers. It will be wise that because each ransom paid makes hackers more positive in what they do and gives them more funds to invent more viruses. Significant point is that when you’re dealing with fraudsters, there’s no guarantee that the data will be restored after you pay the ransom. They’ve already spoiled your files, and we don't think that you lean to transfer them your money on top of that.

Removal instruction

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

Mosk decryption instruction

After Mosk is uninstalled from the PC, and you triple-checked it, you need to consider the restoration ways. On the first place, we should mention that the most efficient way is to use the previously saved copies. If you have the copies of your data and Mosk is fully removed – don't bother. Erase the encoded information and use the copies. If you had no backup copies – the odds of getting the data are critically low. Shadow Volume Copies tool is your lucky ticket. It’s the basic tool of the Windows OS, and it saves all the modified or removed data. You can access them via custom recovery programs.

No doubt, all modern encrypting programs may eliminate these files, but if you use an account that has no admin privileges, the virus simply couldn’t do that without your permit. You might recall that a few minutes before you saw a scammer's message you've seen a different dialogue window, asking to make changes to the OS. If you've blocked these alterations – your copies are still there waiting for you, and you may use them and recover the information through the utilities as Recuva or ShadowExplorer. You may easily find each of them in the Net. You might load them from the websites of their creators, with step-by-step instructions. If you require more explanations about this – just look at our article on information repair: article about files decryption.

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