Unlike WhatsApp or Telegram, Viber does not offer a simple "Save Audio" button. The app treats voice messages as ephemeral, temporary files. But "ephemeral" doesn’t mean "unavailable."

import os import sys def decrypt_viber_audio(enc_path, out_path): with open(enc_path, 'rb') as f: data = bytearray(f.read())

for i in range(len(data)): data[i] ^= key[i % len(key)]

print(f"Decrypted: out_path") if == " main ": decrypt_viber_audio(sys.argv[1], sys.argv[2])