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What’s PFXCertificateConnectorSvc.exe (PFXCertificateConnectorSvc)? Is it safe or a virus?

PFXCertificateConnectorSvc.exe is a process associated with Microsoft's PFX Certificate Connector for Microsoft Intune. It facilitates secure certificate deployment in hybrid environments, enabling organizations to manage certificates for devices and users. Specifically, it bridges the gap between on-premises AD Certificate Services (AD CS) and Microsoft Intune by securely retrieving and issuing PFX (Personal Information Exchange) certificates to authorized devices or users. These certificates are essential for enabling secure communication, authentication, and access to resources. This service ensures encryption and security compliance across both on-premises and cloud-managed devices, streamlining certificate lifecycle management in enterprise environments.

Below are 4 simple steps you can take to see if the PFXCertificateConnectorSvc.exe process is safe or malware.

  1. Scan the executable with Microsoft's built-in tech
  2. Find PFXCertificateConnectorSvc.exe's publisher
  3. Search the executable's hash with VirusTotal
  4. Monitor the executable's behavior

Researched by Laura @ SpyShelter Labs

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More about PFXCertificateConnectorSvc.exe on WINDOWS

Who makes PFXCertificateConnectorSvc.exe (PFXCertificateConnectorSvc)?

We’ve found Microsoft Corporation should be the publisher of PFXCertificateConnectorSvc.exe.

How do we know? Our SpyShelter cybersecurity labs focuses on monitoring different types of Windows PC executables and their behaviors for our popular SpyShelter Antispyware software. Learn more about us, and how our cybersecurity team studies Windows PC executables/processes.

What does it mean if someone is the publisher of a PC .exe (executable or process)?

The publisher of an executable is the entity responsible for its distribution and authenticity. Most processes/executables on your PC should be signed. The signature on the executable should have been verified through a third party whose job it is to make sure the entity is who it says it is. Find an unsigned executable? You should consider scanning any completely unsigned .exe on your PC.

Last updated: July 14, 2025

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Why should you trust us?

Our team at SpyShelter has been studying Windows PC executables for over 15 years, to help fight against spyware, malware, and other threats. SpyShelter has been featured in publications like The Register, PC Magazine, and many others. Now we’re working to share free, actionable, and easy to understand information about Windows executables (processes) with the world, to help as many people as possible keep their devices safe. Learn more about us on our "About SpyShelter” page.

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