What is GandCrab Ransomware

GandCrab Ransomware is file encrypting virus, that uses AES-256 (CBC-mode) encryption algorithm to encode user files. It affects documents, media files, databases – the most important data for users. During encryption process ransomware appends .GDCB extension to encrypted files. After it finishes GDCB-DECRYPT.txt is created. You can see how it looks like in the picture below, and here are the contents:

---= GANDCRAB =---
All your files documents, photos, databases and other important files are encrypted and have the extension: .GDCB
The only method of recovering files is to purchase a private key. It is on our server and only we can recover your files.
The server with your key is in a closed network TOR. You can get there by the following ways:
1. Download Tor browser - xxxxs://www.torproject.org/
2. Install Tor browser
3. Open Tor Browser
4. Open link in tor browser: xxxx://gdcbghvjyqy7jclk.onion/6361f798c4ba3647
5. Follow the instructions on this page
If Tor/Tor browser is locked in your country or you can not install it, open one of the following links in your regular browser:
1. xxxx://gdcbghvjyqy7jclk.onion.top/6361f798c4ba3647
2. xxxx://gdcbghvjyqy7jclk.onion.casa/6361f798c4ba3647
3. xxxx://gdcbghvjyqy7jclk.onion.guide/6361f798c4ba3647
4. xxxx://gdcbghvjyqy7jclk.onion.rip/6361f798c4ba3647
5. xxxx://gdcbghvjyqy7jclk.onion.plus/6361f798c4ba3647
On our page you will see instructions on payment and get the opportunity to decrypt 1 file for free.
Do not try to modify files or use your own private key - this will result in the loss of your data forever!

GandCrab Ransomware targets 64-bit systems in Western Europe and South Korea. Its developers demand 1.5 – 2 Dash (cryptocurrency) which estimates in more than $1100. GandCrab checks the system for the presence of .exe files of antiviruses from the popular vendors, and won’t run on the computers with such security software or will attempt to disable it. Developers of GandCrab use NameCoin DNS-server and this makes it difficult for law enforcement agencies to track the domain owner and remove domains, belonging to malefactors. Ransomware doubles the amount of ransom in 2-3 days. Use instructions below to remove GandCrab Ransomware and decrypt .GDCB files for free.

gandcrab ransomware
gandcrab payment page

How GandCrab Ransomware infected your PC

GandCrab Ransomware uses several distribution methods. It started distribution via RIG EK and GrandSoft EK exploits. GandCrab also uses spam mailing with malicious PDF attachments. Some victims indicate that GandCrab uses a trick with a fake font installer (HoeflerText font). Installing malware under the guise of a font is a long-time favorite method for attackers. You can not accept fonts with .exe extensions and other atypical fonts on your computer. Virus assigns certain ID with the victims, that is used to name those files and supposedly to send decryption key. In order to prevent infection with this type of threats in future we recommend you to use SpyHunter 5 and HitmanPro with Cryptoguard.

gandcrab spam e-mail

Download GandCrab Ransomware Removal Tool

Download Removal Tool

To remove GandCrab Ransomware completely we recommend you to use SpyHunter 5 from EnigmaSoft Limited. It detects and removes all files, folders and registry keys of GandCrab Ransomware.

How to remove GandCrab Ransomware manually

It is not recommended to remove GandCrab Ransomware manually, for safer solution use Removal Tools instead.

GandCrab Ransomware files:


GandCrab Ransomware registry keys:

no information

How to decrypt and restore .GDCB files

Use automated decryptors

bitdefender gandcrab ransomware decryptor

Use following tool from BitDefender called BitDefender GandCrab Decryptor, that can decrypt .GDCB files. Download it here:

Download BitDefender GandCrab Decryptor

There is no purpose to pay the ransom, because there is no guarantee you will receive the key, but you will put your bank credentials at risk.

If you are infected with GandCrab Ransomware and removed it from your computer you can try to decrypt your files. Antivirus vendors and individuals create free decryptors for some crypto-lockers. To attempt to decrypt them manually you can do the following:

Use Stellar Phoenix Data Recovery Pro to restore .GDCB files

  1. Download Stellar Phoenix Data Recovery Pro.
  2. Select location to scan for lost files and click Scan button.
  3. Wait until Quick and Deep scans finish.
  4. Preview found files and restore them.

Using Windows Previous Versions option:

  1. Right-click on infected file and choose Properties.
  2. Select Previous Versions tab.
  3. Choose particular version of the file and click Copy.
  4. To restore the selected file and replace the existing one, click on the Restore button.
  5. In case there is no items in the list choose alternative method.

Using Shadow Explorer:

  1. Download Shadow Explorer program.
  2. Run it and you will see screen listing of all the drives and the dates that shadow copy was created.
  3. Select the drive and date that you want to restore from.
  4. Right-click on a folder name and select Export.
  5. In case there are no other dates in the list, choose alternative method.

If you are using Dropbox:

  1. Login to the DropBox website and go to the folder that contains encrypted files.
  2. Right-click on the encrypted file and select Previous Versions.
  3. Select the version of the file you wish to restore and click on the Restore button.

How to protect computer from viruses like GandCrab Ransomware in future

1. Get special anti-ransomware software

Use ZoneAlarm Anti-Ransomware

Famous antivirus brand ZoneAlarm by Check Point released a comprehensive tool, that will help you with active anti-ransomware protection, as an additional shield to your current protection. The tool provides Zero-Day protection against ransomware and allows you to recover files. ZoneAlarm Anti-Ransomware is compatible with all other antiviruses, firewalls, and security software except ZoneAlarm Extreme (already shipped with ZoneAlarm Anti-Ransomware) or Check Point Endpoint products. The killer features of this application are: automatic file recovery, overwrite protection that instantly and automatically recovers any encrypted files, file protection that detects and blocks even unknown encryptors.

Download ZoneAlarm Anti-Ransomware

2. Back up your files

onedrive backup

Regardless of success of protection against ransomware threats, you can save your files using simple online backup. Cloud services are quite fast and cheap nowadays. There is more sense using online backup, than creating physical drives, that can get infected and encrypted when connected to PC or get damaged from dropping or hitting. Windows 10 and 8/8.1 users can find pre-installed OneDrive backup solution from Microsoft. It is actually one of the best backup services on the market, and has reasonable pricing plans. Users of earlier versions can get acquainted with it here. Make sure to backup and sync most important files and folders in OneDrive.

3. Do not open spam e-mails and protect your mailbox

mailwasher pro

Malicious attachments to spam or phishing e-mails is most popular method of ransomware distribution. Using spam filters and creating anti-spam rules is good practice. One of the world leaders in anti-spam protection is MailWasher Pro. It works with various desktop applications, and provides very high level of anti-spam protection.

Download MailWasher Pro
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