pacjsworker.exe
by Microsoft
Networking
Summary
HTTP auto proxy detection worker process for evaluating PAC scripts in proxy configuration
pacjsworker.exe is the 2319th most commonly executed Windows program in EchoTrail's dataset, observed 207 times across enterprise environments. It typically runs from C:\Windows\System32 and it is most often launched by svchost.exe.
2319th
most commonly executed Windows program
207
observed executions
low
statistical confidence
Behavior
Top Paths
- C:\Windows\System32100%
Top Hashes (SHA256)
- 8bf4c567a778dcd894220c6ad2ca08cfa3fb5c7053a4471969d35e759fc9027761.84%
- ff4d515cdcbe9ce053d9cc4d3412f962875098ac87133019eeb12a0f9494bb9121.74%
- 1d1c79ac0d2f0f5db976f4c5ed8dee7853e6fdc2b5749b328e2a92b55f9863958.7%
- 090d9bf07054409cf0f38680e09f1f483df328331f3c00383723c53cebe34dc65.8%
- ee0af76e3f9c033feccd8516cd8619d097ee4014e983e96aaeec8789b3ead96e1.93%
Process Ancestry
Top Grandparents
- services.exe100%
Top Parents
- svchost.exe100%
Rare or environment-specific process names are omitted from ancestry tables. Percentages are of all observed relationships.
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Data from EchoTrail's dataset of ~346M Windows process executions. Last extracted 2026-08-04.