No. A clean BIOS dump is not executable and cannot contain a virus. If your antivirus flagged it, you likely downloaded a malicious file from an untrustworthy site. Delete it immediately and obtain a verified copy.
This is the PlayStation BIOS file for the North American (NTSC-U) region, commonly associated with the SCPH-5501 model.
For most users, however, this is cumbersome. The pragmatic reality is that the vast majority of emulation users download the file—but you should understand the legal nuance before proceeding.
Note: Checksums vary slightly by dump version. Always verify against known Redump or No-Intro databases.
Emulators are case-sensitive on Linux and macOS. The filename must be exactly scph5501.bin (all lowercase).