Since then, we’ve observed multiple variants, with different file extensions. The ransomware uses two different encryption methods – RC4 and AES 192. Crypto Mix (also known as Crypt File2 or Zeta) is a ransomware strain that was first spotted in March 2016.For encrypting files, the ransomware uses AES-256 combined with RSA-2048. Additionally, the ransomware creates a key file with name similar to: [PC_NAME]#9C43A95AC27D3A131D3E8A95F2163088-Bravo NEW-20175267812-78aes_ni_0day in C:\Program Data folder. Encrypted file names will have the following format: [[email protected]].theva [[email protected]].cryptobyte [[email protected]].cryptowin [[email protected]].btcware onyon Furthermore, one of the following files can be found on the PC on %USERPROFILE%\Desktop 1in %USERPROFILE%\App Data\Roaming #_README_#or ! In early 2017, a new variant of Crypto Mix, called Crypto Shield emerged.After encrypting your files, several files are created on the user’s desktop, with name variants of: DECRYPT.txt, HOW_TO_DECRYPT.txt, They are all identical, containing the following text message: Special: Because AVAST decryptors are Windows applications, it is necessary to install an emulation layer on Mac (WINE, Cross Over). If Globe has encrypted your files, click here to download our free fix: Gandcrab is one of the most prevalent ransomware in 2018. October 2018, Gandcrab developers released 997 keys for victims that are located in Syria.Ensuring the safety of our clients is our top priority. For more information about the terms of your profile’s extended visibility, click here.Profiles are moderated and your personal data is protected. For any complaints and enquiries you may contact us here.The message is located in "Decryption instructions.txt", "Decryptions instructions.txt", "README.txt", "Readme to restore your files.txt" or "HOW TO DECRYPT YOUR DATA.txt" on the user's desktop.
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").Update 2017-07-21: The decryptor was updated to also work with Mole variant.Encrypted files have many various extensions, including: [email protected], [email protected], [email protected], . Cry Si S, ..xtbl, ..xtbl, ..xtbl, ..dharma, ..dharma, .wallet After encrypting your files, one of the following messages appears (see below).It uses AES-128 encryption, using a key that is constant for a given PC and user.While running, the ransomware actively prevents the user from running any tools that might potentially remove it.
In each folder with at least one encrypted file, the file "!!! Both variants encrypt files by using AES256 encryption with a unique encryption key downloaded from a remote server.