Resilio Sync Windows Service
Resilio-svc.exe is the Windows service component of Resilio Sync that runs in the background to coordinate folder indexing, peer discovery, and file transfers without a visible user interface. It keeps your local libraries synchronized across connected devices and servers, handles change tracking, and schedules transfers to optimize bandwidth usage.
Resilio-svc.exe implements the core sync engine and manages peer connections for cross-device synchronization. It operates as a Windows service to provide ongoing background operation and communicates with the Resilio GUI to apply user settings and mirror folder states.
Resilio-svc.exe is a legitimate, signed component of Resilio Sync that runs as a background Windows service. On a standard, official installation, it is signed by Resilio, Inc. and located in the official install directory. When verified and kept up to date, it provides reliable, organized synchronization without exposing the system to typical user-interaction risks.
In a legitimate Resilio Sync installation, resilio-svc.exe is not a virus. However, malware can masquerade with similar names or impersonate services. If you encounter resilio-svc.exe outside the official folder, with an unsigned or unexpected signature, or showing suspicious activity, treat it as potential malware and verify its source and integrity before proceeding.
Red Flags: Unsigned or mislocated resilio-svc.exe, a signature from an unknown publisher, unusual network activity, or sudden, sustained CPU spikes can indicate compromise. In such cases, isolate the machine and verify source before proceeding.
Reasons it's running:
Resilio-svc.exe is the background Windows service for Resilio Sync. It runs continuously to maintain synchronization of shared folders, handle peer connections, and coordinate data transfers without requiring a user to be logged in.
Disabling resilio-svc.exe will stop background syncing and prevent automatic updates to shared folders. If you do not rely on continuous syncing, disabling the service is safe, but you should be aware that local changes will not propagate until the service is re-enabled.
The typical installation path is C:\Program Files\Resilio Sync\resilio-svc.exe. If you used a custom path, verify that location in your installation settings and ensure it matches the official package.
Check the file location, verify the digital signature from Resilio, compare the file hash with the official release, and run a malware scan. Only executables signed by Resilio, Inc. in the official install directory should be trusted.
Use Windows Settings > Apps to uninstall Resilio Sync, or run the official uninstaller from the program's folder. After uninstall, ensure the Resilio Sync directory is removed and that the service is deleted from Services.msc if remnants remain.
The desktop UI can operate with or without the service in some configurations, but the core background syncing is performed by resilio-svc.exe. Running without the service may limit automatic syncing and background indexing.