Compressed archives are a common way to distribute malware. Before running any executable files from the archive:
: Use a hex editor to check the first few bytes. A valid 7-Zip archive must start with the characters 7z¼¯' . Compressed archives are a common way to distribute malware
: If the archive contains .gp3 , .gp4 , or .gpx files, these are tablature files for Guitar Pro software. or .gpx files
: If the file is only a few KB but should be a large game patch, it may be a partial download. it may be a partial download.