runonce.exe
Sources: 300M+ executions observed in the wild.
Summary
Windows RunOnce processor - executes commands registered in the RunOnce registry key and removes them after execution.
runonce.exe is the 363rd most commonly executed Windows program in EchoTrail's dataset, observed 23,558 times across enterprise environments. It typically runs from C:\Windows\SysWOW64 and it is most often launched by explorer.exe.
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The same record for runonce.exe, by REST or as an MCP tool. Free key, no card.
curl -H "Authorization: Bearer $ECHOTRAIL_KEY" \
https://api.echotrail.io/v1/process/runonce.exeFree returns the summary. Team returns the full record you see on this page. Endpoint docs
Behavior
Top Paths
- C:\Windows\SysWOW6497.04%
- C:\Windows\System322.96%
- C:\Windows\winsxs\x86_microsoft-windows-runonce_31bf3856ad364e35_6.1.7601.17514_none_17c23e881d4a0b0b0.01%
Top Hashes (SHA256)
- 4e99208b00827b31e804962322d0a748d3344ee4b38cb54d77e4b055c5b43d5029.47%
- 0d8d6e7e3a18a473bcdfc13accd03969dad85e601a2aaab29d54c6c46c1f01e814.16%
- 645ac8acfe1973925e3bf1edaeaaf139b8b4da54ff6ca8b5f42e9ebc6940faa910.25%
- f993010a5f947f454f61800a6a120417c9aca4a3bc9f7ed82b614e19f45bbee68.04%
- d4f991adfdd1949ae08a106dad8a7899fef0bf5e691ac74099137fc5ffd9386f5.72%
- 78b8d920926ebcc685865a5ac91f21ed40889d538dde6a4092764f44d7c015f45.71%
- 0babaeacf9d0aa4e6fbea6943b9916425746fb702b6501c47f4470fd195836af5.3%
- 4dbc301ea051ecdea35d26f7666ace0109cd8d1027c5361ec37e82623c0b5db45.29%
- c6721f830675adc7e7fde2b5e822e56f6a063146f5066f1e25ebfe86f0a871362.87%
- 4dfe3a43c478d2ebf74acbae1aba2bc8fc1566359689349161f73a1c39c5fc132.37%
Process Ancestry
Top Grandparents
- userinit.exe98.48%
- msiexec.exe0.59%
- explorer.exe0.24%
- rdpinit.exe0.13%
- cmd.exe0.06%
- setup.exe0.05%
- python.exe0.03%
- winlogon.exe0.03%
Top Parents
- explorer.exe98.6%
- runonce.exe0.29%
- rundll32.exe0.25%
- PrintInf64.exe0.2%
- usbinst.exe0.17%
- PanGPS.exe0.09%
- rdpshell.exe0.08%
- msiexec.exe0.06%
- Dropbox.exe0.05%
- VACon64.exe0.05%
Top Children
- jusched.exe8.64%
- KeePass.exe7.75%
- acrotray.exe5.61%
- PIconStartup.exe3.81%
- DialIEHelper.exe3.52%
- openvpn-gui.exe3.41%
- sbamtray.exe3.08%
- Dropbox.exe3.07%
- cnmnsst.exe3.04%
- cnmnsst2.exe2.75%
Ask Rocky about runonce.exe
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This page is the Team-tier API record for runonce.exe. The free tier returns the summary, 500 lookups a month. Or ask Rocky.