musnotification.exe
Summary
Windows Update notification process that alerts users about pending updates, restart requirements, and update status.
musnotification.exe is the 71st most commonly executed Windows program in EchoTrail's dataset, observed 382,547 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)
- 20a3dcc3e1215842ef67b39afe5dc449e0f3d2002d47dc82e3c3da88ecea84cb15.14%
- 01a6ac65a33dd93379a8fde3ed56e7c6341036af145cfa0ea9665d800fab62539.78%
- 0a613bb8637dd5ecd0ba04c7484c79712e60ad1ca193a7a1c6be0a305d34d50a6.57%
- 995aa8cad2685bfe09b382df6b7bd09c4c1a444bd9001ae01cd36b817e8b03705.71%
- 72e3321590f2b6965cf0387f10ac94b556706ef61986b4d131336f5f9be454c04.26%
- 1a4f6486797323d385ca87bd2df40e68855aacc8f8d32cd0fc33512442939a334.08%
- bdc508805ce50ab20d2fb3d8244c99d9b151772d1db7f2eec6e1e704bd280a613.77%
- 7524450c7e22111439e22b04145d37adc29dbb07ba23d286b4e97976fe29725a3.33%
- e7e463b3f6c4eb898c1068b1d8baf23cea586115fb70846978cd513c017ecf642.65%
- 78489f1261dcc73d5f878ff5316d51fbe2ad77d990372134d01d524691c1d4dc2.14%
Process Ancestry
Top Grandparents
- services.exe100%
Top Parents
- svchost.exe100%
- powershell.exe<0.01%
- MoUsoCoreWorker.exe<0.01%
Top Children
- MusNotificationUx.exe59.44%
- musnotifyicon.exe40.56%
Rare or environment-specific process names are omitted from ancestry tables. Percentages are of all observed relationships.
Security Analysis
What does musnotification.exe normally do?
Located in C:\Windows\System32 or standard Windows/Office paths. Part of normal Windows or Office operations.
When is musnotification.exe suspicious?
Running from non-standard paths. Parent process other than expected. Spawning shells or unusual child processes.
How do attackers abuse musnotification.exe?
Not commonly abused.
Detection guidance
Low priority. Validate path and parent process.
False positive notes
Normal system/Office operation.
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Data from EchoTrail's dataset of ~346M Windows process executions. Last extracted 2026-08-04.