$ pip3 install -r requirements.txt

$ python3 malware_checker.py --help
usage: malware_checker.py [-h] [-f filename] [-d folder] [-l checksum_list] [-o output]

optional arguments:
  -h, --help        show this help message and exit
  -o output         output to save informations in file

One of them is required:
  -f filename       file to scan
  -d folder         folder to scan
  -l checksum_list  file with list of checksums from files to scan