![]() All encrypt files and blackmail victims - threatening to delete the decryption key. Research shows that all ransomware-type viruses are virtually identical. Screenshot of a message encouraging users to contact the developers of CryptoCat ransomware to decrypt their compromised data: Therefore, you can only restore your files/system from a backup. Unluckily, there are currently no tools capable of restoring files encrypted by CryptoCat. You will probably be scammed and receive nothing in return. There is a high probability that paying will not deliver any positive results. Therefore, you should ignore all requests to pay or contact these people. After submitting payment, victims must send their Bitcoin address to the email address provided or text file also provides detailed payment instructions, however, be aware that victims are often ignored, even if they pay. The cost is 1.45 Bitcoin (at time of writing, 1 Bitcoin was equivalent to ~$608). Therefore, to restore the files, victims must purchase the key. The private key is stored on remote servers controlled by cyber criminals. Asymmetric cryptography features two keys: public (encryption) and private (decryption). It is stated that decryption without a private key is impossible (unfortunately, this statement is correct). The ransom-demand message informs victims of the encryption. For example, " sample.jpg" is renamed to " ".įollowing successful encryption, CryptoCat generates a ransom-demand text file (" Your files are locked !.txt") and places it on the desktop. cryptocat" extension to the name of each encrypted file. ppt, etc.) using asymmetric cryptography. CryptoCat is a ransomware-type virus that encrypts various data types (.doc.
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