How to remove Pumas virus and restore encrypted files

Pumas is a new extension of Puma virus. Regular encrypting viruses are not really intricate in their code, but even the clumsiest one is super effective, and we will prove our point. It’s all about the encoding algorithms. Viruses don’t physically smug the files. It just wants to infest the system, spoil the data and erase the originals, placing the encoded files instead of them. You can't use those files afterwards. You can’t read them and can’t return them to their previous state. We know few ways to restore the files, and we've described them all in our item.

Pumas ransomware virus


An encrypting virus is the worst thing that can meet you on the Net It's a pure robbery, only without real pillagers involved: hackers get into your system and loot anything they want, leaving a user with an empty hard drive, filled with corrupted folders. Pumas ransomware is the brightest instance of this type of malware: it’s not difficult to get and very hard to defeat, but we know how to help you. On this page, we'll explain to you the basic principles of encrypting virus' work and how it infected the machine. We will tell you what measures you have to take to evade ransomware infestation, and how you can decrypt the files. You need to realize that many these programs won't ever get decrypted, so if you have one – the files might be already gone forever. There's a possibility that hackers made a mistake to create the switch to beat ransomware or to reverse its doings. The customer can be guarded by some settings of his OS, and we'll explain to you how you can use it.

The encoding malware, AKA ransomware, are the programs that infest your machines and encrypt their information to gain money for its decryption. More often than not, fraudsters get on victim's device with the help of email fraud or 0-day vulnerabilities. E-mail scam is pretty easy to recognize – you'll receive it suddenly, and it will have a file in it. When it comes to 0-day Trojans, it’s a bit more difficult – you won’t see what it will be before you get penetrated so that the best way is to automatically update the OS and other tools that you use.

The thing is that the common ransomware take advantage of the publically accessible encoding algorithms, such as the RSA and the AES. These two are simply the very intricate in the world, and you cannot decrypt them. Of course, you may decipher them if you have a century of common PC’s working time or a few years of operation on the most powerful machine in the world. We're sure that neither of the given options suits you. We will explain to you that ransomware are easy to evade, but if one of them is already on your hard drive – it's a problem.

When the job is done, ransomware shows you a note with demands, and as it popped up – it's too late. The best thing you can do now - to delete Pumas from the CP and attempt to recover the data. We've said “try” as the odds to succeed with no decryptor are faint.

Pumas removal guide

You need to eliminate ransomware before you start working on file decryption since if it stays on the computer – it will begin encrypting every single file that comes into the PC. You should know that every medium storage you are linking to the spoiled computer will become infected also. To avoid this – eliminate the virus via adhering this effective removal instruction. Remember that this won’t recover your information, and after doing it, you won’t be able to pay the ransom. It will be smart that since every ransom earned makes swindlers more positive in what they do and increases their budget to create more ransomware programs. It's worth mentioning that when you are forced to deal with web-criminals, they might just receive your funds and forget about you. They have recently wasted your files, and if you lean 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


Antivirus scanner

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Step 5. Disable Safe mode

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

Deactivate Safe mode

Pumas decryption instruction

When Pumas is removed from the computer, and you're certain about it, you need to learn more about the decryption techniques. First of all, we want to say that the sole 100% efficient way is to load the backup copies. In case you have the backups of the information and Pumas is totally uninstalled – simply remove the wasted data and upload the backups. If you had no backups – the odds of recovering your data are critically low. Shadow Volume Copies tool is your lucky ticket. We're saying about the inbuilt tool of Windows, and it copies every single file that was changed. They may be reached with the help of specific restoration utilities.

No doubt, all complex viruses may eliminate these copies, but if you use an account with no administrator rights, the ransomware just couldn’t perform that not having the permit. You may remember that several minutes before you saw a hacker's letter there was a different menu, suggesting to apply changes to the computer. If you have declined these changes – the SVC weren't deleted, so you can use them and recover the information with the help of custom tools as ShadowExplorer or Recuva. Both of them might be found in the Web. Each of them has its official pages, so you better get them there, with step-by-step instructions. If you want more information on this topic – just check the extended entry about data restoration: article about files decryption.

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