You also get the possibility to create backups for your encrypted files, so you do not lose them in case anything goes wrong during the decryption process. If you do not have admin rights, you can still run the app without issues yet not all your files might be correctly processed. Moreover, to make sure nothing interrupts the process once the decryption begins, it is best to run Avast Decryption Tool for GandCrab with elevated privileges, as an Administrator. So when you launch Avast Decryption Tool for GandCrab you need to create a list with all the folders and/or drives where your encrypted items are. When your computer has been infected with this malware, the file extensions of all affected documents are appended with various strange looking strings of letters. It is enough for you to copy it on a removable USB drive and run it whenever you come across a PC that needs decrypting. Since this is a portable app, you do not need to install it to your computer to make sure it successfully restores access to your encrypted data. Since then, both the malware developers and the authorities have released several decryption keys that are currently packed in Avast Decryption Tool for GandCrab. Most of the messages look similar, as seen in the screenshots below.GandCrab has been one of the most prevalent threats during 2018 and numerous users had their documents encrypted by this ransomware. Important: The provided decryption tool only supports files encrypted using an "offline key." In cases where the offline key was not used to encrypt files, our tool will be unable to restore the files, and no file modification will be done. However, if the server is not available or if the user is not connected to the internet, the ransomware will encrypt files with a fixed key ("offline key"). All the Avast Decryption Tools are available in one zip here.īoth variants encrypt files by using AES256 encryption with a unique encryption key downloaded from a remote server. Avast Decryption Tool for CryptoMix can unlock the CryptoMix ransomware (also known as CryptFile2 or Zeta) and later CryptoShield.
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