How to remove Crabslkt virus and restore encrypted files

This article will assist you to remove Crabslkt virus. On this page, you'll find all you need to know about Crabslkt removal, coupled with details on data restoration. You'll also find the common information about encrypting viruses which will help you to evade troubles next time.

Crabslkt ransomware virus

Crabslkt is the worst disaster that is among the hairiest hazards of the Internet. It is a typical plunder, only without true robbers involved: ransomware owners get into the system and loot all they wish, casting you aside with an empty hard drive that contains only encrypted data. Crabslkt ransomware is the brightest instance of encrypting viruses: it’s easy to get and just impossible to remove, but we know how to help you. In this article, we want to explain to you what is ransomware and the ways of its penetration into the system. We'll explain to you what measures you must take to avoid ransomware infestation, and how you can get your files back. Don't forget that most of the ransomware will never get defeated, and if you have one – the data may be already lost for good. Rarely even fraudsters make a mistake to leave the switch to neutralize ransomware or to reverse its actions. The customer may be protected by specific options of the computer, and we can tell you how you can use it.

What is Crabslkt ransomware and how it works

The encrypting malware, AKA ransomware, are the viruses that infest your machines and spoil their files to demand money from them. The penetration is commonly carried out through email fraud or 0-day Trojans. Malicious mail isn't hard to recognize – you'll get it suddenly, with some files in it. When it comes to zero-day vulnerabilities, it’s a bit harder – you'll never know what it will be before the machine gets encrypted which means that the best method is to regularly check for the updates the OS and other utilities that you have in it.

Common encrypting programs aren’t very complex in their code, yet even the clumsiest virus is very hazardous, and we’ll explain our point. They all apply the very powerful encryption algorithms. Viruses don’t take the files. It only has to infect the system, encode your data and eliminate the originals, leaving the spoiled versions instead of them. The information are useless after that. You cannot read them and can’t restore them. There are several techniques to reconstruct the files, and we've defined each of them in our article.

The thing is that modern encrypting programs use the unbeatable ciphers, such as the RSA and the AES. These two are simply the very sophisticated in the world, and you cannot break them. Well, you may break them if you have a century of regular machine’s operation time or several years of operation on the most powerful machine on the Earth. We truly doubt that any of these variants is suitable you. We will explain to you that encrypting viruses can just be evaded, but if it’s already on your PC – you are in trouble.

When the job is done, virus gives you a ransom message, and is it popped up – you can be sure that the files are corrupted. The only turn you can take now - to remove ransomware from the CP and try to restore the files. We've said “try” because the probability to deal with it without a decryptor are pretty low.

Crabslkt removal guide

It’s highly important to uninstall a virus until you start working on data decryption because if it sticks in your system – it will start encrypting each file that gets into the computer. Even more - each data storage you are sticking into the infected device will get corrupted as well. We know that it's not great for you, so just remove the virus through sticking to our useful advice. Don't forget that this will not reverse the Crabslkt's doings, and after doing this, you will not be able to pay money to fraudsters. It will be wise that because every dollar gained is making fraudsters more to feel their feet in their "business" and gives them more budget to develop more ransomware programs. It's worth mentioning that when you’re forced to deal with scammers, they won't give you a warrant that the data will be recovered after you give out the money. They have already wasted your information, and you, surely, don't lean to give them some money 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

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Step 5. Disable Safe mode

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

Deactivate Safe mode

How to decrypt Crabslkt files

When you delete Crabslkt from the device, and you're certain about it, you should consider the restoration techniques. From the very beginning, we should say that the sole 100% proven way is to load the backup copies. If you had the backups of the files and Crabslkt is fully deleted – simply delete the spoiled files and upload the copies. In case you had no backups – the probability of restoring your files are much lower. Shadow Volume Copies service is what helps you to do it. It’s the basic tool of the Windows OS that duplicates all the modified or removed data. You might find them with the help of custom recovery tools.

No doubt, the complex viruses can erase these copies, but if you're working from an account that has no admin privileges, the ransomware just couldn’t do that without your permit. You might recall that sometime prior to the showing of a swindler's message you've seen a different dialogue window, suggesting to apply changes to your PC. If you've cancelled those changes – the copies are still there waiting for you, so you may access them and restore your files through the programs as ShadowExplorer or Recuva. They can be found on the Internet. You can get them from the websites of their creators, with step-by-step instructions. If you need more information on this topic – just read our entry on data recovery: article about files decryption.

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