wuapihost.exe
Summary
Windows Update API Host - hosts the Windows Update API for third-party applications that need to query or trigger updates.
wuapihost.exe is the 468th most commonly executed Windows program in EchoTrail's dataset, observed 13,297 times across enterprise environments. It typically runs from C:\Windows\System32 and it is most often launched by svchost.exe.
Behavior
Top Paths
- C:\Windows\System32100%
Top Hashes (SHA256)
- ba77d5ebacbad0939b9ee667c59bcb7143a432be91522f4397d458e62f03eedd22.82%
- 76ad4f3eccb86c64a88fa6e9a39081fc57bcccb1e305d507a3cfe9cacb326a7921.25%
- 15a205b7ab319f5c87bf967f6e4ecfc5b208a1c6225944be5abf2c82c5b2c6f019.98%
- 4b62a13b2642450e1942d5258cc9836e7e1aa3e125fc05925971a1fdb5f832279.02%
- 0b815aee868a6a9247765552359e0a91a373ed4c2f586608117f22f6454d05cd5.95%
- 1c098b099f043d4d060485452a3be7d9d0413a5e922678942fb48fa20abcb3bd5.35%
- d283cd196845687a5b25c8bc16800a0819b63fc032b4c92480d446aabb862bb64.8%
- 5a7c14146018cdf58bba0b291ae2b6e4826dc1a45f335f4dfc378e1eb545d27b3.61%
- c5d699fa15205869828b3f4386082696599b59dc6c2b0c17054dac0f6b33224d2.5%
- 5832324fa5859bcdca9fe53cac9eee0e1a6514882cdd0d759e8e66f4bc4f06ba2.19%
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.