How to remove Crab virus and restore encrypted files

Our guide will assist users to remove Crab encrypting malware. Here, we have assembled everything that you must learn about Crab elimination, in conjunction with some tips about the decryption of wasted data. Here we also have the common information about encrypting viruses that will assist you to evade penetration in the future.

Crab ransomware virus

Crab is the worst trouble that might happen to you on the internet It is a typical robbery, only without alive robbers involved: ransomware owners penetrate the machine and take everything they wish, casting a victim aside with a crippled system that contains only encrypted folders. Crab malware is the clearest instance of this type of viruses: it is easy to find it and too difficult to delete, but we know how to help you. In today's guide, we will tell you what ransomware is and how it infected the computer. We will clarify to you what measures you have to take to evade encrypting virus' penetration, and how you can decrypt the files. Remember that many these viruses will never get decrypted, and if you have one – the files may be already gone completely. Nevertheless, there is a chance that fraudsters made mistakes to leave the approach to neutralize their virus or to reverse the caused harm. User can be guarded by specific functions of his OS, and we can teach you how you can apply them.

What is Crab ransomware and how it works

Current encrypting viruses are not too complicated in their code, but even the easiest ransomware is extremely hazardous, and we’ll tell you why. They all apply the very strong encryption algorithms. Malicious programs' goal is not to actually steal the data. All it needs to do is to penetrate the machine, encode your data and delete the originals, leaving the encrypted versions instead of them. The information are unreadable if they are encrypted. You cannot use the files and cannot return them to norm. There are several methods to recover the files, and we've described each of them below.

The encoding programs, also called ransomware, are the viruses that infect users’ machines and spoil their info to earn money for its decryption. Most times, fraudsters get on victim's device through email spam or with zero-day Trojans. Hazardous mail is easy to recognize – you will get it suddenly, with some files attached to it. In case of zero-day vulnerabilities, it’s a bit harder – you won’t see what it will be until your files will corrupted which means that the best method is to properly update the system and other utilities that you use.

The thing is that modern encrypting programs exploit the famous ciphers, such as the RSA and the AES. They are the most complicated and cannot be broken. Well, you can decrypt them, having a century of your home machine’s working time or several years of work on the most productive machine in the world. We are certain that neither of these variants suits a user. The perfect way to beat ransomware is to abort its installation.

As soon as the ciphering is finished, ransomware shows you a letter with directives, and is you see it – you know that the files are encrypted. The smartest thing you can do now - to erase ransomware from your device and concentrate on the data restoration. We have said “attempt” as the probability to succeed with no decryption utility are faint.

Crab removal guide

It’s significant to delete Crab before you start working on file decryption because if it sticks in the system – it will start encrypting every single file that comes into the device. You have to understand that each device you are sticking into the infected device will be corrupted too. We are certain that you will not like it, so simply get rid of the virus through sticking to our easy uninstalling instruction. Remember that this will not reverse caused damage, and if you do this, you won’t be capable of paying the ransom. It will be smart that because each dollar paid is making scammers more confident in fraud schemes and increases their money to create other ransomware programs. The important thing is that if you are dealing with fraudsters, there is no assurance that the information will be deciphered after you give out the money. They have just stolen your data, and you, probably, don't want to send them some funds on top of 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

Startup

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 Crab files

When you delete Crab from your system, and you double-checked it, you need to consider the decryption manners. Firstly, we should mention that the only 100% effective way is to load a backup. If you have the copies of the information and the ransomware is fully deleted – just erase the encrypted files and load the copies. If there were no backups – the chances to restore the data are slim to none. Shadow Volume Copies tool is what helps you to do it. We are saying about the inbuilt tool of Windows, and it duplicates every single file that was changed. You can access them with the help of custom restoration programs.

Naturally, the high-quality viruses might erase these copies, but if you're accessing the system from an entry without master privileges, Crab simply couldn’t perform that not having your permission. You might recollect that sometime prior to the showing of a scammer's message there was a different menu, suggesting to alter your device. If you have cancelled these changes – the copies are at your service, so you may use them and repair your files through such utilities as ShadowExplorer or Recuva. They may be found in the Net. You can download them from the sites of their creators, with tested guides. In case, you want more information on this topic – just read this entry on information repair: article about files decryption.

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