: Historically, the name "avcore" has been used by various security vendors as a shorthand for "Antimalware Core" or "Antivirus Core" processes. For instance, Microsoft Defender uses a similar process named MpDefenderCoreService.exe to enhance stability and performance. Technical Details & Safety Typical File Size
Its primary job is to handle the heavy lifting for the antivirus engine: avcoreexe
If you are unsure about the version on your computer, follow these steps to verify it: : Historically, the name "avcore" has been used