: Ensure you can see the full file extension. Sometimes a file named Hino Nacional Brasileiro.zip.exe will appear as a zip file but is actually an executable program. 2. Preliminary Scanning
If you extracted and ran a file from this zip and your computer is behaving strangely: Hino Nacional Brasileiro.zip
: Use a tool like Microsoft Defender Offline or Malwarebytes to scan your system thoroughly. : Ensure you can see the full file extension
: This prevents malware from communicating with its "home" server. such as trojans or ransomware
If you must see what is inside without "executing" anything:
: .zip files are a common delivery method for malware, such as trojans or ransomware, often disguised as patriotic or popular media files.