: Unexpected files like .js , .vbs , .bat , or .exe . A legitimate zip for a national anthem should ideally only contain audio files ( .mp3 , .wav ) or document files ( .pdf , .txt ). 4. Contextual Check Ask yourself where this file came from:
: This prevents malware from communicating with its "home" server. Hino Nacional Brasileiro.zip
If you must see what is inside without "executing" anything: : Unexpected files like