MSASCui.exe
Summary
Microsoft Antimalware Security Center User Interface (legacy) - older Windows Defender UI component for security status display.
MSASCui.exe is the 455th most commonly executed Windows program in EchoTrail's dataset, observed 14,062 times across enterprise environments. It typically runs from C:\Program Files\Windows Defender and it is most often launched by MSASCui.exe.
Behavior
Top Paths
- C:\Program Files\Windows Defender99.99%
- C:\ProgramData\...0.01%
Top Hashes (SHA256)
- 3ca61ab5ce755b842edfed9ffaebf4f0248e3ffcbb543c2e8e776646e7e2331498.83%
- d38fe568cb0229679242af1dbb31688596730118c3b955174fe155c04959109a0.81%
- 9cff5557fe89fbac1ea57dd48391de6507b1a9c215df8670f667487c32697e7f0.14%
- 708c3614edb85768e5ead4cd04b3a806bd70140cd672cde0d7afdd65d5159e0a0.07%
- 34e718e7c5644f147bec3af69f9fa789be1220e56a7bf827bf1c11afc9c3b0d00.03%
- 809cd5db703a6dfd1940dad9521d9ae34f12d7475c100c1742f51407dac737840.03%
- 03c4a4230a3286ece6aa16576f3b524fb6d201f96d6bc8ca17b5f9259ae69e140.02%
- 31b38ec7b3dc43241ccdd79faedbf8c1b5cc6d638f1ebcc11b1d1005ef4151770.02%
- 6e605b59455699f170172cd3d766779c752a489e8af026c58db2fb224755f57e0.02%
- 8241ac49819b97dbf864f17d45e9332e39cfb9786639663af5782dddc61df1060.02%
Process Ancestry
Top Grandparents
- MSASCui.exe98.8%
- LTSVC.exe0.85%
- userinit.exe0.24%
- svchost.exe0.05%
- cmd.exe0.03%
- explorer.exe0.03%
Top Parents
- MSASCui.exe98.8%
- cmd.exe0.85%
- explorer.exe0.27%
- MSASCuiL.exe0.03%
Top Children
- MSASCui.exe99.97%
- MSASCuiL.exe0.03%
Rare or environment-specific process names are omitted from ancestry tables. Percentages are of all observed relationships.
Security Analysis
What does MSASCui.exe normally do?
Legacy Windows Defender UI. Shows antimalware protection status in system tray.
False positive notes
Normal on older Windows versions.
Related Processes
Ask Rocky about MSASCui.exe
Rocky answers questions about MSASCui.exe grounded in this same dataset — free, no account needed.
Need this data programmatically? The Rocky API includes 500 free lookups a month. Or just ask Rocky.
Data from EchoTrail's dataset of ~346M Windows process executions. Last extracted 2026-08-04.