THREAT REMOVAL

.cryptgh0st File Ransomware – How to Remove Virus and Restore Data

This article has been created to help explain what is the .cryptgh0st files ransomware virus and how to remove this ransomware from your PC plus how to restore files, encrypted by it on your computer.

The .cryptgh0st ransomware virus aims to perform a wide variety of activities that ultimately result in the ransomware virus encrypting your files and leaving behind the .cryptgh0st file extension to the encrypted files. The .cryptgh0st ransomware virus drops beind a ransom note file on the victims’ computers which is called READ_TO_DECRYPT.html. The ransom note file’s primary purpose is to get victims to pay a hefty ransom in order to get their encrypted files recovered back to their original state. If your computer has been infected by the .cryptgh0st ransomware virus, we advise that you read the following article to learn how to remove it from your computer and recover your files.

Threat Summary

Name .cryptgh0st Files Virus
Type Ransomware, Cryptovirus
Short Description What appears to be a variant of mauri870 ransomware. Encrypts files, making them unable to be opened and asks from victims to pay ransom.
Symptoms Files are encrypted with the .cryptgh0st file extension added to them and a ransom note, called READ_TO_DECRYPT.html is also dropped.
Distribution Method Spam Emails, Email Attachments, Executable files
Detection Tool See If Your System Has Been Affected by malware

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User Experience Join Our Forum to Discuss .cryptgh0st Files Virus.
Data Recovery Tool Windows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive.

.cryptgh0st Ransomware – How Does It Infect

The .cryptgh0st ransomware has been detected to infect computers via several methods. The main one which also accounts for over 80% of ransomware infections all over the world is likely conducted via e-mail spam campaigns. These types of e-mails are carefully designed In order to resemble legitimate types of e-mails, coming from big companies. One such e-mail is the fake spam message underneath:

The e-mails that may contain the malicious attachments of .cryptgh0st files virus may also have web links disguised as fake buttons within them. These fake URLs often aim to get victims to download and install various different types of programs or they may automatically infect you via malicious JavaScript.

In addition to via e-mail, the .cryptgh0st ransomware may also be spread via various different types of malicious files on the victim’s computer, that are downloaded by the victim, while he or she believes they are legitimate files, such as:

  • Installers of programs.
  • Programs that pretend to be game cracks.
  • Fake portable software.
  • Fraudulent patches of software.

.cryptgh0st Files Virus – How Does It Work

Once this virus has infected your computer, the payload dropper aims to create it’s malicious files on your computer. The files may exist in the following Windows directories, often under random names or names that resemble legitimate programs:

Before starting, the .cryptgh0st ransomware may also begin to check your computer for different information, such as:

  • Look for unsecured ports.
  • Antivirus software installed.
  • If the virus files are dropped on a Virtual Drive and not an actual OS.

Once these all check out, the .cryptgh0st ransomware may start it’s malcious actions. The virus may begin with creating mutexes and interfering with Windows system files. It may also create Windows Registry entries in the following Windows sub-keys so that it’s malicious files run automatically when Windows boots up:

→ HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce

In addition to this, the .cryptgh0st virus may also create scheduled tasks for programs or files to also run automatically on your PC. One of those may be the virus’s ransom note, named READ_TO_DECRYPT.html. It is created on the victim’s computer shortly after infection and looks like the following:

!!! THIS ISNT A JOKE !!!
!!! ALL YOUR COMPANY DATA GOT ENCRYPTED !!!
!!! READ THE TEXT !!!

YOUR FILES HAVE BEEN ENCRYPTED USING A
STRONG AES-256 ALGORITHM.

YOUR IDENTIFICATION IS
[redacted 32 bytes]

SEND 0,03 BTC TO THE FOLLOWING WALLET
1DYshktcRhJ9B8cpiuFquffjKWnxdGWMsf

AND AFTER PAY CONTACT cryptgh0st@protonmail.com
SENDING YOUR IDENTIFICATION TO RECOVER
THE KEY NECESSARY TO DECRYPT YOUR FILES

IF YOU ARE NOT PAYING IN THE NEXT 48H
ALL YOUR FILES WILL BE REMOVED FOR EVER

!!! THIS ISNT A JOKE !!!
!!! ALL YOUR COMPANY DATA GOT ENCRYPTED !!!
!!! READ THE TEXT !!!

Furhermore, the .cryptgh0st ransomware may also delete the volume shadow copies of your computer, possibly by running an automated script, that deletes the backed up copies via executing commands as an administrator in Windows Command Prompt:

→ process call create “cmd.exe /c vssadmin.exe delete shadows /all /quiet & bcdedit.exe /set {default} recoveryenabled no & bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures

.cryptgh0st Ransomware – Encryption Process

To encrypt files on the victim’s computer, the .cryptgh0st ransomware may scan it for different types of files, while cleverly excluding system folders, like %System32% and others of such type. The files that this virus may look for are believed to be the following types;

  • Videos.
  • Photos.
  • Audio files.
  • Images.
  • Files, associated with often used programs(Photoshop, Microsoft Office, etc.)

Once the .cryptgh0st ransomware virus detects that such files are present, the ransomware uses an advanced encryption technique in order to make those files no longer able to be opened by changing portions of code in those files, enough to make them seem corrupt. Shortly after this, the virus also adds the .cryptgh0st file extension to the encrypted files and then changes the name of the files to a base64 encoding identificator. They start to look like the image below shows:

Remove .cryptgh0st Ransomware and Try Recovering Your Files

To make sure that this ransomware is gone from your computer system, we advise that you read the article underneath. It’s primary purpose is to explain to you how you can remove this ransomware from your computer system the way you prefer to do so – manually or automatically. In addition to this, the .cryptgh0st ransomware should be removed automatically as experts often advise with the aid of an anti-malware software. Such program will effectively make sure that the .cryptgh0st ransomware’s related files and objects are fully gone and your computer remains protected against any infections that might occur to it in the future.

Furthermore, if you do want to try and recover as many encrypted files as possible, we do advise that your try out the alternative methods for file recovery underneath in step “2. Restore files, encrypted by .cryptgh0st Files Virus”. They may not be 100% effective to recover your files, but we have reports by users of over 60% of the files being able to be recovered via these tools.

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Ventsislav Krastev

Ventsislav is a cybersecurity expert at SensorsTechForum since 2015. He has been researching, covering, helping victims with the latest malware infections plus testing and reviewing software and the newest tech developments. Having graduated Marketing as well, Ventsislav also has passion for learning new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management, Network Administration and Computer Administration of System Applications, he found his true calling within the cybersecrurity industry and is a strong believer in the education of every user towards online safety and security.

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Attention! SensorsTechForum strongly recommends that all malware victims should look for assistance only by reputable sources. Many guides out there claim to offer free recovery and decryption for files encrypted by ransomware viruses. Be advised that some of them may only be after your money.

As a site that has been dedicated to providing free removal instructions for ransomware and malware since 2014, SensorsTechForum’s recommendation is to only pay attention to trustworthy sources.

How to recognize trustworthy sources:

  • Always check "About Us" web page.
  • Profile of the content creator.
  • Make sure that real people are behind the site and not fake names and profiles.
  • Verify Facebook, LinkedIn and Twitter personal profiles.


OFFER

REMOVE IT NOW (PC)
with Anti-Malware
We recommend you to download SpyHunter and run free scan to remove all virus files on your PC. This saves you hours of time and effort compared to doing the removal yourself.
SpyHunter 5 free remover allows you, subject to a 48-hour waiting period, one remediation and removal for results found. Read EULA and Privacy Policy


Windows Mac OS X

How to Remove .cryptgh0st Files Virus from Windows.


Step 1: Boot Your PC In Safe Mode to isolate and remove .cryptgh0st Files Virus

OFFER

Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your PC with SpyHunter

Keep in mind, that SpyHunter’s scanner is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter's malware removal tool to remove the malware threats. Read our SpyHunter 5 review. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria

1. Hold Windows key() + R


2. The "Run" Window will appear. In it, type "msconfig" and click OK.


3. Go to the "Boot" tab. There select "Safe Boot" and then click "Apply" and "OK".
Tip: Make sure to reverse those changes by unticking Safe Boot after that, because your system will always boot in Safe Boot from now on.


4. When prompted, click on "Restart" to go into Safe Mode.


5. You can recognise Safe Mode by the words written on the corners of your screen.


Step 2: Uninstall .cryptgh0st Files Virus and related software from Windows

Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it. To do that:


1. Hold the Windows Logo Button and "R" on your keyboard. A Pop-up window will appear.


2. In the field type in "appwiz.cpl" and press ENTER.


3. This will open a window with all the programs installed on the PC. Select the program that you want to remove, and press "Uninstall"
Follow the instructions above and you will successfully uninstall most programs.


Step 3: Clean any registries, created by .cryptgh0st Files Virus on your computer.

The usually targeted registries of Windows machines are the following:

  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce

You can access them by opening the Windows registry editor and deleting any values, created by .cryptgh0st Files Virus there. This can happen by following the steps underneath:

1. Open the Run Window again, type "regedit" and click OK.


2. When you open it, you can freely navigate to the Run and RunOnce keys, whose locations are shown above.


3. You can remove the value of the virus by right-clicking on it and removing it.
Tip: To find a virus-created value, you can right-click on it and click "Modify" to see which file it is set to run. If this is the virus file location, remove the value.

IMPORTANT!
Before starting "Step 4", please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.

Step 4: Scan for .cryptgh0st Files Virus with SpyHunter Anti-Malware Tool

1. Click on the "Download" button to proceed to SpyHunter's download page.


It is recommended to run a scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by SpyHunter. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria.


2. After you have installed SpyHunter, wait for it to update automatically.

SpyHunter5-update-2018


3. After the update process has finished, click on the 'Malware/PC Scan' tab. A new window will appear. Click on 'Start Scan'.

SpyHunter5-Free-Scan-2018


4. After SpyHunter has finished scanning your PC for any files of the associated threat and found them, you can try to get them removed automatically and permanently by clicking on the 'Next' button.

SpyHunter-5-Free-Scan-Next-2018

If any threats have been removed, it is highly recommended to restart your PC.

Step 5 (Optional): Try to Restore Files Encrypted by .cryptgh0st Files Virus.

Ransomware infections and .cryptgh0st Files Virus aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.

1. Download the reccomended Data Recovery software by clicking on the link underneath:

Simply click on the link and on the website menus on top, choose Data Recovery - Data Recovery Wizard for Windows or Mac (depending on your OS), and then download and run the tool.


Windows Mac OS X

Get rid of .cryptgh0st Files Virus from Mac OS X.


Step 1: Uninstall .cryptgh0st Files Virus and remove related files and objects

OFFER
Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your Mac with SpyHunter for Mac
Keep in mind, that SpyHunter for Mac needs to purchased to remove the malware threats. Click on the corresponding links to check SpyHunter’s EULA and Privacy Policy


1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:


2. Find Activity Monitor and double-click it:


3. In the Activity Monitor look for any suspicious processes, belonging or related to .cryptgh0st Files Virus:

Tip: To quit a process completely, choose the “Force Quit” option.


4. Click on the "Go" button again, but this time select Applications. Another way is with the ⇧+⌘+A buttons.


5. In the Applications menu, look for any suspicious app or an app with a name, similar or identical to .cryptgh0st Files Virus. If you find it, right-click on the app and select “Move to Trash”.


6: Select Accounts, after which click on the Login Items preference. Your Mac will then show you a list of items that start automatically when you log in. Look for any suspicious apps identical or similar to .cryptgh0st Files Virus. Check the app you want to stop from running automatically and then select on the Minus (“-“) icon to hide it.


7: Remove any left-over files that might be related to this threat manually by following the sub-steps below:

  • Go to Finder.
  • In the search bar type the name of the app that you want to remove.
  • Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
  • If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.

In case you cannot remove .cryptgh0st Files Virus via Step 1 above:

In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below:

Disclaimer! If you are about to tamper with Library files on Mac, be sure to know the name of the virus file, because if you delete the wrong file, it may cause irreversible damage to your MacOS. Continue on your own responsibility!

1: Click on "Go" and Then "Go to Folder" as shown underneath:

2: Type in "/Library/LauchAgents/" and click Ok:

3: Delete all of the virus files that have similar or the same name as .cryptgh0st Files Virus. If you believe there is no such file, do not delete anything.

You can repeat the same procedure with the following other Library directories:

→ ~/Library/LaunchAgents
/Library/LaunchDaemons

Tip: ~ is there on purpose, because it leads to more LaunchAgents.


Click the button below below to download SpyHunter for Mac and scan for .cryptgh0st Files Virus:


Download

SpyHunter for Mac



Step 3 (Optional): Try to Restore Files Encrypted by .cryptgh0st Files Virus.

Ransomware infections and .cryptgh0st Files Virus aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.

1. Download the reccomended Data Recovery software by clicking on the link underneath:

Simply click on the link and on the website menus on top, choose Data Recovery - Data Recovery Wizard for Windows or Mac (depending on your OS), and then download and run the tool.


.cryptgh0st Files Virus FAQ

What is .cryptgh0st Files Virus ransomware and how does it work?

.cryptgh0st Files Virus is a ransomware infection - the malicious software that enters your computer silently and blocks either access to the computer itself or encrypt your files.

Many ransomware viruses use sophisticated encryption algorithm how to make your files inaccessible. The goal of ransomware infections is to demand that you pay a ransom payment to get access to your files back.

How does .cryptgh0st Files Virus ransomware infect my computer?

Via several ways..cryptgh0st Files Virus Ransomware infects computers by being sent via phishing e-mails, containing virus attachment.

This attachment is usually masked as an important document, like an invoice, bank document or even a plane ticket and it looks very convincing to users.

After you download and execute this attachment, a drive-by download occurs and your computer is infected with the ransomware virus.

Another way, you may become a victim of .cryptgh0st Files Virus is if you download a fake installer, crack or patch from a low reputation website or if you click on a virus link. Many users report getting a ransomware infection by downloading torrents.

How to open ..cryptgh0st Files Virus files?

You can't. At this point the ..cryptgh0st Files Virus files are encrypted. You can only open them once they are decrypted.

Decryptor did not decrypt my data. What now?

Do not panic and backup the files. If a decryptor did not decrypt your ..cryptgh0st Files Virus files successfully, then do not despair, because this virus is still new.

One way to restore files, encrypted by .cryptgh0st Files Virus ransomware is to use a decryptor for it. But since it's a new virus, advised that the decryption keys for it may not be out yet and available to the public. We will update this article and keep you posted as soon as this decryptor is released.

How Do I restore "..cryptgh0st Files Virus" files (Other Methods)?

Yes, sometimes files can be restored. We have suggested several file recovery methods that could work if you want to restore ..cryptgh0st Files Virus files.

These methods are in no way 100% guarantee that you will be able to get your files back. But if you have a backup, your chances of success are much greater.

How do I get rid of .cryptgh0st Files Virus ransomware virus?

The safest way and the most efficient one for the removal of this ransomware infection is the use a professional anti malware software. It will scan for and locate .cryptgh0st Files Virus ransomware and then remove it without causing any additional harm to your important ..cryptgh0st Files Virus files.

Also, keep in mind that viruses like .cryptgh0st Files Virus ransomware also install Trojans and keyloggers that can steal your passwords and accounts. Scanning your computer with an anti-malware software will make sure that all of these virus components are removed and your computer is protected in the future.

What to Do If nothing works?

There is still a lot you can do. If none of the above methods seem to work for you, then try these methods:

  • Try to find a safe computer from where you can can login on your own line accounts like One Drive, iDrive, Google Drive and so on.
  • Try to contact your friends, relatives and other people so that they can check if they have some of your important photos or documents just in case you sent them.
  • Also, check if some of the files that were encrypted it can be re-downloaded from the web.
  • Another clever way to get back some of your files is to find another old computer, a flash drive or even a CD or a DVD where you may have saved your older documents. You might be surprised what will turn up.
  • You can also go to your email account to check if you can send any attachments to other people. Usually what is sent the email is saved on your account and you can re-download it. But most importantly, make sure that this is done from a safe computer and make sure to remove the virus first.

More tips you can find on our forums, where you can also asks any questions about your ransomware problem.

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