It is possible to recover files without purchasing a decryption tool only when victims have a copy of their files, or a free decryption tool is available on the Internet. Victims of ransomware attacks cannot access files without a decryption tool that only the attackers possess. After contacting the attackers, victims are supposed to get payment information (the price of the decryption tool and crypto wallet address to pay for it). It also informs them that files cannot be decrypted without a decryption tool (program). The "read-me.txt" file instructs victims to contact the attackers using one of the provided Tor websites. GlobeImposter (.xls) ransom note overview Screenshot of a message encouraging users to pay a ransom to decrypt their compromised data: GlobeImposter (.xls) creates the " read-me.txt" file to provide instructions on how to contact the attackers for data recovery. For example, a file named " 1.jpg" is renamed to " 1.jpg.xls", " 2.jpg" to " 2.jpg.xls", and so on. xls" extension to each encrypted file's filename. GlobeImposter (.xls) encrypts files and appends the ".
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