In case something goes wrong, you can then start all over again with the decryption wizard. It is recommended you do so, just as a precautionary measure. Once the target location is set, you are prompted to create a backup for the encrypted files. Keep in mind that both local and network drives are accepted, and so are individual folders. By default, Avast Decryption Tool for Babuk adds the drives it detects but you can also drag and drop other folders to the main window to populate the list. First, you get to choose the locations to scan. Thanks to the wizard-based approach of the decryption software utility, using it is a matter of hitting a few “Next” buttons. It goes by the name of Avast Decryption Tool for Babuk, it is extremely easy to use and requires no installation. #_README_#.inf or !#_DECRYPT_#!.inf in each folder with at least one encrypted file.Īfter encrypting your files, the desktop wallpaper is changed, as seen in the screenshot below.The full source code for the Babuk ransomware was leaked by a member of the cyber-criminal group and, as follows, Avast took action and started developing a dedicated decryption tool to help out victims recover their files. The ransomware uses two different encryption methods – RC4 and AES 192.Įncrypted file names will have the following one of the following files can be found on the PC The variants can be distinguished by encrypted file extension. All the Avast Decryption Tools are available in one zip here. Avast Decryption Tool for BTCWare can unlock BTCWare, a ransomware strain that first appeared in March 2017 and has spawned five known five variants.
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