.Mosk Virus


.Mosk is a Ransomware virus that encrypts all types of files on your computer. When done with this, .Mosk blackmails you, demanding money for a decryption key.

.Mosk Virus

Once the .Mosk Virus has infected your system it will start encrypting your files.

Being attacked by a ransomware virus can turn into a very unpleasant and even traumatic experience. .Mosk is one of the latest viruses of this type, and like so many before it, this ransomware stealthily infiltrates the system of its victim and encrypts the files in it using a very sophisticated algorithm. This makes the files unreadable and inaccessible without a decryption key, or in other words – useless. The cybercriminals behind the infection want to make you believe that the only way to access your files again is to send them money as a ransom for the decryption key they hold. Fortunately, we have alternatives to the ransom payment that won’t cost you a penny and you will find them just below this article.

The .Mosk virus

The .Mosk virus is an infection based on Ransomware that can block access to digital information through encryption. The .Mosk virus can encrypt the files stored inside a computer without warning and demand a ransom payment to decrypt them.

The Mosk Virus is a piece of computer malware that makes the files of the users it attacks inaccessible. After the Mosk Virus locks the targeted data, it makes a ransom payment demand that the victim is supposed to fulfill to restore their files.
Threats like this one are known under the collective name of Ransomware because their goal is always the same – to extort money from the attacked users with the lockdown on their files serving as the needed blackmailing leverage.
The Mosk Virus is a Ransomware version that uses an advanced encryption process to make it impossible for its victims to open their personal files. The Mosk Virus is programmed to display a ransom message on the infected computer’s screen after the encryption.
The ransom message that gets generated after all targeted data has been sealed typically gives the victims strict payment instructions that they are supposed to follow in order to get their files recovered. The problem is that transferring such a payment guarantees nothing – your files may or may not get released by the hackers. This is the main reason we always advise against going for this course of action if you haven’t tried any of the other potential options.
The Mosk virus is a form of malware solely created to extort money from the people it attacks. The hackers behind Mosk Virus, however, don’t really care about whether you eventually manage to recover any of the files that have been locked.

The ransomware infections turn out to be a lucrative scheme for a lot of cyber criminals. Besides, these pieces of malware can prove to be extremely harmful, encrypting valuable information and keeping it locked for indefinite periods of time. So, it’s no wonder that many victims are paying the extortionists sky-high amounts of money in ransom in hopes to get back access to their valuable data.

Sadly, viruses such as .Mosk, .Toec or .Meka are able to bypass most antivirus programs on the market. That is the reason why you probably didn’t even know that a suspicious process was going on inside your system while Mosk was secretly creating encrypted copies of your files. After the encryption process completed, though, you probably received a ransom note on your screen, telling you about the effects of the attack.

The .Mosk file

The .Mosk file encryption is an advanced code that can keep files inaccessible for an indefinite period of time. Decrypting the .Mosk file encryption is only possible with a decryption key which is in the hacker’s hands.

The Mosk file is any piece of data encrypted by this Ransomware virus and cannot be unlocked without a private key. The Mosk file decryption key is offered to the user against a ransom transaction that must be carried out within a short time period.

This is a typical example of a Ransomware infection – a malware form that is specifically designed to extort money from the users of the computers it attacks. In the current case, the leverage used to blackmail you is the lockdown on your files. Unless you pay the hackers, your files would stay in their inaccessible state for an indefinite period of time.

This fact may lead some users to consider paying the ransom but this is where we must warn our readers that this really isn’t a very wise course of action. What’s important about the Mosk file is that it is very difficult to open it if you don’t have access to the private key. However, paying the ransom to receive the Mosk file decryption key may turn out to be a total money waste. The hackers don’t really care about what happens to you and your files after you complete the payment. This is why there’s a significant chance that they don’t really contact you back with details for your data’s decryption after you give them your money. The Mosk file encryption is a very advanced and complex process that will keep your data locked even after you remove the virus from the system. A Mosk file, however, may sometimes be recovered without paying the ransom if you are lucky.

The instructions in the removal guide below, however, are intended to help you remove the virus from your computer and hopefully restore your files from system backups. Of course, the effectiveness of our instructions may vary greatly from case to case, as each ransomware attack is different, but it will not cost you a thing to give them a try. Other alternatives to the ransom payment are to use a decryptor tool. A list of these can be found on our website, so please check it out.

However, while we advise users to try other ways to get their data back, there are serious reasons for not resorting to the ransom payment. The hackers, for instance, might never send you the promised code for decryption. Furthermore, since the file encryption/decryption is a very delicate process, there is a chance that the decryption key may not work properly even if the hackers send it to you. Moreover, as payments are usually requested in bitcoins, which is a cryptocurrency that is notoriously hard to trace, the police have little chance to bring these extorters to justice.  You will only be financing them and ensuring that they are never caught.


Name .Mosk
Type Ransomware
Danger Level High (Ransomware is by far the worst threat you can encounter)
Symptoms Very few and unnoticeable ones before the ransom notification comes up.
Distribution Method From fake ads and fake system requests to spam emails and contagious web pages.
Data Recovery Tool Not Available
Detection Tool


Remove .Mosk Ransomware 

.Mosk Virus

Some of the steps will likely require you to exit the page. Bookmark it for later reference.

Reboot in Safe Mode (use this guide if you don’t know how to do it).

.Mosk Virus


Press CTRL + SHIFT + ESC at the same time and go to the Processes Tab. Try to determine which processes are dangerous. 

.Mosk Virus

Right click on each of them and select Open File Location. Then scan the files with our free online virus scanner:

Each file will be scanned with up to 64 antivirus programs to ensure maximum accuracy
This scanner is free and will always remain free for our website's users.
This file is not matched with any known malware in the database. You can either do a full real-time scan of the file or skip it to upload a new file. Doing a full scan with 64 antivirus programs can take up to 3-4 minutes per file.
.Mosk Virus
Drag and Drop File Here To Scan
.Mosk Virus
Analyzing 0 s
Each file will be scanned with up to 64 antivirus programs to ensure maximum accuracy
    This scanner is based on VirusTotal's API. By submitting data to it, you agree to their Terms of Service and Privacy Policy, and to the sharing of your sample submission with the security community. Please do not submit files with personal information if you do not want them to be shared.

    After you open their folder, end the processes that are infected, then delete their folders. 

    Note: If you are sure something is part of the infection – delete it, even if the scanner doesn’t flag it. No anti-virus program can detect all infections.

    .Mosk Virus

    Hold the Start Key and R –  copy + paste the following and click OK:

    notepad %windir%/system32/Drivers/etc/hosts

    A new file will open. If you are hacked, there will be a bunch of other IPs connected to you at the bottom. Look at the image below:

    .Mosk Virus

    If there are suspicious IPs below “Localhost” – write to us in the comments.

    Type msconfig in the search field and hit enter. A window will pop-up:

    .Mosk Virus

    Go in Startup —> Uncheck entries that have “Unknown” as Manufacturer.

    • Please note that ransomware may even include a fake Manufacturer name to its process. Make sure you check out every process here is legitimate.

    .Mosk Virus

    Type Regedit in the windows search field and press EnterOnce inside, press CTRL and F together and type the virus’s Name. 

    Search for the ransomware  in your registries and delete the entries. Be extremely careful –  you can damage your system if you delete entries not related to the ransomware.

    Type each of the following in the Windows Search Field:

    1. %AppData%
    2. %LocalAppData%
    3. %ProgramData%
    4. %WinDir%
    5. %Temp%

    Delete everything in Temp. The rest just check out for anything recently added. Remember to leave us a comment if you run into any trouble!

    .Mosk Virus 

    How to Decrypt .Mosk files

    We have a comprehensive (and daily updated) guide on how to decrypt your files. Check it out here.

    If the guide doesn’t help, download the anti-virus program we recommended or try our free online virus scanner. Also, you can always ask us in the comments for help!


    About the author


    Lidia Howler

    Lidia is a web content creator with years of experience in the cyber-security sector. She helps readers with articles on malware removal and online security. Her strive for simplicity and well-researched information provides users with easy-to-follow It-related tips and step-by-step tutorials.


    • Copyright (c) 1993-2009 Microsoft Corp.
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    • Dear sir,

      I read your article but it’s not recovering my files . All my date base files are converted to .mosk files . Can u please help is this recoverable. Pls help me with solution.


    • Hello there!
      I found that all encrypted files contained the same clear line that leads to an algorithm; I do not know how to use it. I believe it’s the key to solving and decrypting our files.
      xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx then with no species {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}
      (X = collection of capital, small letters and numbers) {8-4-4-4-12} as shown below
      hoping to find soloution soon
      Email: Adel_o85 @yahoo .com

    • I found these three IP’s below local.. www. mefeedia. com www. mefeedia. com delivery.anchorfree.us/land.php

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