wuapihost.exe
Sources: 300M+ executions observed in the wild.
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.
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The same record for wuapihost.exe, by REST or as an MCP tool. Free key, no card.
curl -H "Authorization: Bearer $ECHOTRAIL_KEY" \
https://api.echotrail.io/v1/process/wuapihost.exeFree returns the summary. Team returns the full record you see on this page. Endpoint docs
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%
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This page is the Team-tier API record for wuapihost.exe. The free tier returns the summary, 500 lookups a month. Or ask Rocky.