How to remove GANDCRAB 5.1 virus and restore encrypted files

Our article was created to assist our readers to remove GANDCRAB 5.1 ransomware. On this page, we have assembled all you need to learn about GANDCRAB 5.1 deletion, alongside with wittings on the decryption of spoiled files. We also provide the overall tips on ransomware, which might help you to evade penetration in future.

GANDCRAB 5.1 ransomware virus

GANDCRAB 5.1 is an improved version of Gandcrab virus. It was 5.0.9, 5.0.8 etc, and now hackers relise Gandcrab 5.1. They act as if it is a patch or a helpful program instead of dangerous virus. The infection method is via spam mails, that signed by Rosie L. Ashton. She asked to check the attachment with еmеrgеnсy exit map. If you enable content into downloaded document, virus starts power shell that download and launch ransomware virus in the system.

Downloaded file is called putty.exe - it encrypts the files and adds them random extension. After encryption complete, it creates Decrypt.txt file with payment instructions.

GANDCRAB 5.1 virus

Hackers penetrate the PC and take all they wish, leaving you with a crippled system that contains only wasted files. Gandcrab ransomware is the purest illustration of this type of programs: it’s not hard to find and too difficult to beat, but we can help you with it. On this page, we will explain to you the basic patterns of encrypting virus' work and how it infected your system. We'll tell you in which manners you can avoid encrypting virus' infection, and how you can decrypt your files. Remember that some these viruses will not ever get defeated, so one of them is on your PC – your information may be already gone for good. Rarely even hackers make an error to develop the way to beat ransomware or to reverse the caused harm. The customer may be protected by some options of his PC, and we will explain to you how to apply it.

What is ransomware

The encoding malware, AKA ransomware, are the viruses that get into your devices and waste their files to demand money from them. Most times, swindlers get on customer's device via malspam campaigns or 0-day vulnerabilities. E-mail fraud isn't hard to recognize – you'll get it from an unknown address, and it will have a file attached to it. When it comes to zero-day vulnerabilities, it’s way harder – you'll never feel it coming until the device gets penetrated which means that the best defensive manner is to regularly download the latest updates for the OS and other tools that you use.

The catch is that the common ransomware utilize the famous ciphers, such as the AES and the RSA. These two are very intricate and cannot be hacked. Of course, you may decipher them, having fifty years of usual PC’s operation time or a few years of operation on the most productive computing device of the Earth. We're sure that neither of these options suits you. The best way to overcome ransomware is to abort its installation, and we'll tell you how it could be done.

Modern ransomware programs are not too intricate in their code, though even the very carelessly made ransomware is highly efficient, and we can explain our point. The catch is about the encoding algorithms. Malicious programs' goal is not to take the files. It only has to infect the PC, encrypt the files and erase the originals, placing the encrypted copies instead of them. The files are unusuable afterwards. You cannot read the files and cannot return them to their previous condition. We know several manners to recover the files, and they all are explained in our item.

When the ciphering is carried out, scammers show you a ransom note, and when you see it – it's too late. There's only one thing you can do now - to uninstall ransomware from your device and try to recover the files. We have said “attempt” because the probability to handle it without a decryption utility are ghostly.

GANDCRAB 5.1 removal guide

You have to eliminate GANDCRAB 5.1 before you start working on data recovery because if it stays on the PC – it will go on encoding any file that enters the machine. You should know that any data carrier you are connecting to the corrupted PC would be encrypted too. To evade this – delete ransomware via following our advice. Remember that the uninstallation will not reverse caused damage, and after doing this, you will not be able to pay the ransom. We offer you to do that as each dollar paid makes hackers more confident in what they do and increases their budget to invent intricate viruses. It's worth mentioning that when you’re forced to deal with web-criminals, they can easily receive your funds and forget about you. They have recently wasted your information, and nobody wants to send them some funds after that.

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

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Step 5. Disable Safe mode

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

Deactivate Safe mode

GANDCRAB 5.1 decryption instruction

After GANDCRAB 5.1 is deleted from the PC, and you double-checked it, it’s time to consider the restoration manners. From the very beginning, we should say that the most reliable technique is to have a backup. If you have the copies of the information and GANDCRAB 5.1 is fully uninstalled – don't fret. Erase the encrypted data and upload the backups. If you have no backups – the chances to restore your files are critically low. The single way to get there is the Shadow Volume Copies. We're saying about the inbuilt service of the Windows OS that saves every single file that was changed. They can be reached through specific restoration utilities.

Naturally, the high-quality encrypting programs might eliminate these files, but if you use an account without administrator privileges, GANDCRAB 5.1 simply couldn’t do that not having the permission. You may recall that sometime prior to the showing of a hacker's message you've seen a different menu, asking to make alterations to your OS. If you have declined those changes – the copies weren't removed, and they can be found and used via special utilities as Recuva or ShadowExplorer. You may simply find them both on the Internet. You might load them from the webpages of their developers, with tested guides. If you want more explanations on this topic – simply read our guide about data recovery: article about files decryption.

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