If you must handle unknown archives, upload the file to a multi-engine scanning platform like VirusTotal before opening it. This checks the file against dozens of antivirus databases simultaneously.
This indicates a multi-part series or structured folder layout. Split volumes prevent file corruption and make large downloads manageable over standard bandwidth networks.
The risks associated with downloading these specific types of unverified archives include: 1. Executable Masking (Trojan Horses)