WinSAT.exe
Summary
Windows System Assessment Tool - benchmarks system performance (CPU, memory, disk, graphics) for the Windows Experience Index.
WinSAT.exe is the 756th most commonly executed Windows program in EchoTrail's dataset, observed 4,459 times across enterprise environments. It typically runs from C:\Windows\System32 and it is most often launched by rundll32.exe.
Behavior
Top Paths
- C:\Windows\System32100%
Top Hashes (SHA256)
- 35c785a846f6aeb8dd9e69376dcd017067ec97786770e1c26d389fb86a179a4623.38%
- cc31fdcdce05144ef750b01233d57614cda7364a73ca26ff68886ebdc650e36716.19%
- 1942662fed1429adec6232bc7608b64c16036ebf82fcee99c8eb1cdcc11ceb4610.67%
- d25b452ccc0fe3a5e39b9baecd913afd15758428b52b0c1f50ac85aca2d3405a10.2%
- 8b2163756295f0f17e242a4d2a962c67f667b7bb2b5c4ce7068759d0dc6e55098.66%
- e75d84511e577234fc62bf43894db0f3995dc06dac2148722b9c9a81f9c182ff7.86%
- f1ae99bcc39d6d3e7d4f5e72040c610802a6c41ac3afa8d32dc30fb715bd7fe66.98%
- 5bd1cd3b86a26de22ed2c6cdd552c0dad499b2f1ba1e5a85af2fb78cff5d502a5.04%
- 2b96b4299051bdad6d900acbe4ada956a1c1a3f2d559d80d46f7fde4fdb24e023.53%
- 09641422179f119438a963579956ee836188181a199436fcf0896592ba68ae3e2.7%
Process Ancestry
Top Grandparents
- svchost.exe99.05%
- explorer.exe0.95%
Top Parents
- rundll32.exe97.65%
- taskhostw.exe1.75%
- runonce.exe0.43%
- taskhost.exe0.18%
Top Children
- conhost.exe100%
Rare or environment-specific process names are omitted from ancestry tables. Percentages are of all observed relationships.
Security Analysis
What does WinSAT.exe normally do?
Runs system benchmarks to calculate Windows Experience Index scores. May run automatically after hardware changes or Windows Updates.
False positive notes
Automated benchmark runs after updates or hardware changes.
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Data from EchoTrail's dataset of ~346M Windows process executions. Last extracted 2026-08-04.