What is a program that scans a file or disk for a range of well known viruses?

A program that scans a file or disk for a range of well-known viruses is called an antivirus software. It uses a database of virus signatures to identify and neutralize threats, often providing real-time protection against malware. Examples include Norton, McAfee, and Bitdefender. These programs also frequently update their virus definitions to protect against new threats.