The Amnesia ransomware encrypts up to the initial 1 MB of documents utilizing AES-256 encryption in ECB mode. Victims are forced to pay ransom to unlock the file and it ranges between $500 to 1500 in Bitcoins. The ransom ranges from $500 up to $1500 in Bitcoins and the decrypter will show the results once the process completed. The malware uses encryption keys to reconstruct the encryption parameters and time duration depends upon Ransomware. The ransom is between $1,000 and $500 per hour.”]
Source: https://gbhackers.com/infected-amnesia-ransomware-time-decrypt-files/