: Right-clicking the process in Task Manager and viewing "Properties" should reveal a digital signature from a reputable vendor like CA Technologies or Avira Operations GmbH . Conclusion
Despite its legitimate role, avcore.exe has a bad reputation for three reasons: avcore.exe
Go to VirusTotal.com , upload the file, and wait for the scan. A clean file will have 0/60+ detections. If 5+ engines flag it as "Trojan.Generic" or "Malware.AI", you have an infection. : Right-clicking the process in Task Manager and
: Some variants are capable of executing Windows APIs, loading modules, or creating new processes, which are behaviors common in malware. How to Remove It If 5+ engines flag it as "Trojan
A systematic forensic approach is required.
Because malware uses the name, many AV engines heuristically flag any avcore.exe not located in C:\Program Files\Realtek\ . Even legitimate copies in non-standard locations (e.g., after a manual driver extract) get quarantined. This leads to broken audio after a system cleanup.