wuauclt.exe
Sources: 300M+ executions observed in the wild.
Summary
Windows Update AutoUpdate Client (legacy) - manages automatic update checks and installations on older Windows versions.
wuauclt.exe is the 238th most commonly executed Windows program in EchoTrail's dataset, observed 56,400 times across enterprise environments. It typically runs from C:\Windows\System32 and it is most often launched by svchost.exe.
Get this in your tools
The same record for wuauclt.exe, by REST or as an MCP tool. Free key, no card.
curl -H "Authorization: Bearer $ECHOTRAIL_KEY" \
https://api.echotrail.io/v1/process/wuauclt.exeFree returns the summary. Team returns the full record you see on this page. Endpoint docs
Behavior
Top Paths
- C:\Windows\System3299.39%
- C:\Windows\UUS\amd640.61%
Top Hashes (SHA256)
- 34d09b36bffa4188c9a2a766f10a7efeeffa43597c5776c692beef1c827a5cfa11.3%
- 81df3ba03dab44007b3f32b8419ff209327febdfbdce389485b5ccaa0fca06fe9.98%
- 5a8879ad057223ab6f99af895d616dbbe56011347d00e0be7c6f6c5491c1ef707.11%
- e666ac2934a9ba6c65531e4e258c9bebd7c311c6a378a6acceffdf7f9741b4a86.94%
- 2423ce1293c1980ee7dd4543efeb48b69634dbce875c830e7f8cd87f3c6d25b46.09%
- cc855323b6ab7259c92bd1310211dd95174e43be2f46c828e38f0060dd2e44885.83%
- 62aff13b933c69c3cf2dbc4d29fe2d7c19e15226d65652455726b08be66ad94c4.95%
- d25642f358b16b5c6053d2b4ac9814579fb3f91359bd7e73f373d231d842b6ae3.19%
- efa27c2ee5a3f1fe4a1d59023702560614aa55fb3067be93b41b1ae2588eadff2.86%
- 0b31bad785ad6505596a9921058339d61bb6407682ac6953eca27ed075cb8c472.65%
Process Ancestry
Top Grandparents
- services.exe99.99%
- chrome.exe0.01%
- firefox.exe0.01%
Top Parents
- svchost.exe84.86%
- MoUsoCoreWorker.exe15.09%
- ServerManager.exe<0.01%
Top Children
- AM_Delta.exe21.75%
- MpSigStub.exe4.93%
- updateplatform.exe2.87%
- AM_Base_Patch1.exe2.72%
- WindowsUpdateBox.exe0.87%
- AM_Engine.exe0.73%
- AM_Base.exe0.56%
- unifiedinstaller.exe0.52%
- mpas-d.exe0.25%
Ask Rocky about wuauclt.exe
Rocky is the free chat demo. It answers from this same dataset, no account needed.
This page is the Team-tier API record for wuauclt.exe. The free tier returns the summary, 500 lookups a month. Or ask Rocky.