defendersessionhelper.exe
Sources: observed in the EchoTrail lab on Windows 11.
Summary
Microsoft Defender Session Helper (Microsoft® Windows® Operating System, Microsoft Corporation)
defendersessionhelper.exe is not in the 2025 snapshot. It was observed in EchoTrail's behavior lab on Windows 11 24H2 on 2026-09-29 installed from winget package Microsoft.WindowsSDK.10.0.22621.
Get this in your tools
The same record for defendersessionhelper.exe, by REST or as an MCP tool. Free key, no card.
curl -H "Authorization: Bearer $ECHOTRAIL_KEY" \
https://api.echotrail.io/v1/process/defendersessionhelper.exeFree returns the summary. Team returns the full record you see on this page. Endpoint docs
Behavior
Top Paths
- C:\ProgramData\Microsoft\Windows Defender\Platform\4.18.26080.4-0
Top Hashes (SHA256)
- 1d5ed636d005799e7e1dfa145e9817bd08ba649b86d17dbaa26894f7e63be92d
Process Ancestry
Top Grandparents
Top Parents
Lab record
- Installed from
- winget Microsoft.WindowsSDK.10.0.22621 10.0.22621.2428
- Publisher
- Microsoft Windows
- Persistence
- none
- Network
- none
- Command lines
- 1 pattern (5 launches)
- DLL loads
- 17 patterns (85 loads)
- Registry writes
- 0 patterns (0 writes)
- File writes
- 0 patterns (0 writes)
- HTTP requests
- 0 patterns (0 requests)
- TLS connections
- 0 patterns (0 handshakes)
- Named pipes
- 0 patterns (0 events)
- Process access
- 0 patterns (0 events)
- Driver loads
- 12 patterns (12 loads)
- PowerShell blocks
- 0 patterns (0 blocks)
- Remote threads
- 0 patterns (0 events)
- Audit events
- 0 patterns (0 events)
Full record on Team.
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