sdxhelper.exe
Summary
Microsoft Office SDX Helper manages the download and installation of Office add-ins and extensions from the Office Store.
sdxhelper.exe is the 98th most commonly executed Windows program in EchoTrail's dataset, observed 242,294 times across enterprise environments. It typically runs from C:\Program Files (x86)\Microsoft Office\root\Office16 and it is most often launched by svchost.exe.
Behavior
Top Paths
- C:\Program Files (x86)\Microsoft Office\root\Office1649.47%
- C:\Program Files (x86)\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE1623.03%
- C:\Program Files\Microsoft Office\root\Office1621.06%
- C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE166.44%
- C:\Program Files (x86)\Microsoft Office\Updates\Download\PackageFiles\12F2D3A0-3F86-4381-BF00-78042A32DD4D\root\Office16<0.01%
Top Hashes (SHA256)
- 93eb261fffd322394e2d79596146db30fbc2f93d3093593d8d1ec54e0282dfea1.81%
- 174fe1ab1fbbff5a3cb385333da893fcfb8a60966527c75c63645300d792d5021.35%
- ff19bf00e2cd984b53a91672e8606fd099316a5ffed05c6d19a41e2ba67baa7a1.29%
- 48652d7499195d59a5f7158dfa37ce4604516bb65f180d5195a94692f26b98ed1.28%
- 4511ec00954833af9bdba385ab4ab57506798fb9050edbcfacfed3815880a3001.28%
- 728a8d770604b866a7939d70b9599c73edf5bc3ced8fbe58e1c91bd0367aa08d1.26%
- b9e1c77b1f256931cb1357bd31b5f2ceaac37b57476f4bb8e7f510ba243726121.26%
- e5f563061f392db9730356deae7ad3775ebf1f17e198a292fefa5940b7988ad41.22%
- b5f9724df10d8c1c24e69a9a839b8dbeb464ad74bcd765610839819c9ab334361.21%
- eb6783fbbf31de168cd2efff905574f1546c197c04b7f24a214b420f3afcaf4e1.17%
Process Ancestry
Top Grandparents
- services.exe98.59%
- wininit.exe0.97%
- svchost.exe0.44%
Top Parents
- svchost.exe99.26%
- services.exe0.56%
- sdxhelper.exe0.1%
- taskeng.exe<0.01%
Top Children
- sdxhelper.exe89.25%
- conhost.exe10.22%
- ShoretelRegistry.exe0.54%
Rare or environment-specific process names are omitted from ancestry tables. Percentages are of all observed relationships.
Security Analysis
What does sdxhelper.exe normally do?
Located in C:\Windows\System32 or standard Windows/Office paths. Part of normal Windows or Office operations.
When is sdxhelper.exe suspicious?
Running from non-standard paths. Parent process other than expected. Spawning shells or unusual child processes.
How do attackers abuse sdxhelper.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.