.Master Virus File Removal (+File Recovery) May 2018 Update

The encrypted files may not be the only damage done to you. parasite may still be hiding on your PC. To determine whether you've been infected with ransomware, we recommend downloading SpyHunter.

Download SpyHunter Anti-Malware

More information on SpyHunter, steps to uninstallEULAThreat Assessment Criteria, and Privacy Policy.

This page aims to help you remove .Master Virus File Ransomware for free. Our instructions also cover how any .Master Ransomware file can be recovered.

In the following paragraphs the users who have had the misfortune of getting acquainted with a malicious program called .Master Ransomware will get all the details about it. This awfully harmful product can be characterised as a typical file-encrypting Ransomware representative. The discussed malware category comprises of all the threats which are able to infiltrate your device on their own and then – infect and encrypt the data they consider important to you. When all of that data has been locked, one by one by .Master Ransomware, the victim user will receive a usually quite terrifying message. Typically, these horrible alerts the viruses produce contain instructions about the way the demanded ransom is supposed to be paid. Furthermore, the affected users could be further threatened that in case the needed sum is not paid on time or in full, the hackers behind this terrible virus will NOT give them back the access to the blocked data. If you are one of the victim users, the best you can do is to get informed about everything related to .Master and Ransomware.  For that purpose we are sharing the text below with you.

.Master Virus File Ransomware

Ransomware viruses normally function in the following way:

Such malicious programs do not resemble any other malware products and that’s an essential fact. Perhaps that’s how and why they have evolved into the most frightening computer threat that has ever existed. One more essential piece of information that can be shared is that Ransomware is NOT usually noticed by any ordinary anti-malware program. This is due to the fact that these malicious programs actually do not really act in a malicious way. For instance, what .Master Ransomware File does is it doesn’t harm your system or files in any way, but it simply creates encrypted copies of certain files and then deletes the original versions, thus making you unable to reach this piece of data. Furthermore, there are usually no noticeable symptoms of such a process, so it is not visible at first. In some rare cases the increased usage of PC resources like CPU/RAM might give it away. Also, you have to bear in mind that the process of encryption itself was created for safety purposes, which why your antivirus won’t detect it. However, the inventors of Ransomware have found a way to use it against users and harass them.

All you should know about paying the demanded ransom:

If you are indeed considering paying the demanded ransom, we would like to mention that the criminals behind the virus hope that you do. They want you to think this is the only available option in front of you. What you have to know about the process of paying the ransom itself is that there will be a deadline and a preferred currency for sure – usually Bitcoins. This cyber means of payment is fairly popular as it is completely untraceable in most of the cases. Now you are aware of the hackers’ idea behind requesting the ransom in this cryptocurrency. That’s how these criminals at least try to avoid getting caught and most of the time – they succeed in their attempts. However, in many cases, even the payment of the requested ransom will not help the victim users and they might not receive any decryption key. Thus, our recommendation for you is to review all your options first and then – make a crucial decision on whether you are going to risk your money and your files, or just the already hijacked data. What’s more, we have a small gift for you – a tested Removal Guide down here, to assist you in at least trying to remove this horrible infection and potentially also restoring the affected data.

How does Ransomware usually spread?

Another thing we can advise you is to always maintain your system in the best possible shape as prevention is what will always help you against threats like .Master Ransomware. Down here we have mentioned several working prevention tips you may need or want to remember. To start with, always only visit web locations with a decent reputation. Avoid all the web addresses that are not very trustworthy and trust your gut feeling. Then, be extremely cautious when it comes to all spam messages. In many cases Ransomware viruses come from emails (and malicious social media chat messages). Simply, do not just click on any suspicious hyperlinks or download or open any shady-looking attachments. In conclusion comes the most important aspect of prevention – backing up your files. Learning to back up all your essential data regularly is the habit you need to develop. This and only this will minimize the risk of getting infected with awful threats like .Master and Ransomware in general.


Name .Master
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 Currently Unavailable
Detection Tool

Keep in mind, SpyHunter’s malware detection tool is free. To remove the infection, you’ll need to purchase the full version. More information about SpyHunter and steps to uninstall.

.Master Ransomware File Ransomware Removal


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).



We get asked this a lot, so we are putting it here: Removing parasite manually may take hours and damage your system in the process. We recommend downloading SpyHunter to see if it can detect parasite files for you.

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


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

Drag and Drop Files Here to Scan
Maximum file size: 128MB.

This scanner is free and will always remain free for our website's users. You can find its full-page version at: https://howtoremove.guide/online-virus-scanner/

Scan Results

Virus Scanner Result

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

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.


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:

hosts_opt (1)

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:


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.


To remove parasite on your own, you may have to meddle with system files and registries. If you were to do this, you need to be extremely careful, because you may damage your system.

If you want to avoid the risk, we recommend downloading SpyHunter
a professional malware removal tool.

More information on SpyHunter, steps to uninstallEULAThreat Assessment Criteria, and Privacy Policy.

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!


How to Decrypt .Master Ransomware 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!

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