wslhost.exe

by Microsoft

Operating System

Summary

WSL Host Process manages the connection between a WSL Linux distribution and the Windows host. Handles interop, file system mounting, and process management for WSL instances.

wslhost.exe is the 140th most commonly executed Windows program in EchoTrail's dataset, observed 130,296 times across enterprise environments. It typically runs from C:\Program Files\WindowsApps\MicrosoftCorporationII.WindowsSubsystemForLinux_1.0.3.0_x64__8wekyb3d8bbwe and it is most often launched by wsl.exe.

140th

most commonly executed Windows program

130,296

observed executions

medium

statistical confidence

Behavior

Top Paths

C:\Program Files\WindowsApps\MicrosoftCorporationII.WindowsSubsystemForLinux_1.0.3.0_x64__8wekyb3d8bbwe51.68%
C:\Program Files\WindowsApps\MicrosoftCorporationII.WindowsSubsystemForLinux_1.1.3.0_x64__8wekyb3d8bbwe35.24%
C:\Program Files\WindowsApps\MicrosoftCorporationII.WindowsSubsystemForLinux_1.0.0.0_x64__8wekyb3d8bbwe11.72%
C:\Program Files\WindowsApps\MicrosoftCorporationII.WindowsSubsystemForLinux_1.1.6.0_x64__8wekyb3d8bbwe0.7%
C:\Program Files\WindowsApps\MicrosoftCorporationII.WindowsSubsystemForLinux_1.2.5.0_x64__8wekyb3d8bbwe0.28%
C:\Program Files\WindowsApps\MicrosoftCorporationII.WindowsSubsystemForLinux_0.70.4.0_x64__8wekyb3d8bbwe0.2%
C:\Program Files\WindowsApps\MicrosoftCorporationII.WindowsSubsystemForLinux_1.2.0.0_x64__8wekyb3d8bbwe0.16%
C:\Windows\System32\lxss0.02%

Top Hashes (SHA256)

7fab0c23a4677efbcc29d3c08b62896dd035d1c01c98db287b2fef5a8362943351.68%
ac3d0cdc8f604cec05a932b3fe33c8d7a790bbcc9c7aa3dcccab137b0a8b59cd35.24%
3a57b3445e7f9bfac527fdd238cb719bb77403726554e2d24032c0dcdecad24911.72%
6cdb42314c43c53969c4b9932a0a6ae7b6399ddd5654523a3ef91c9b203995510.7%
0c9e841007724facae9494fba2387e6767297bb9c4d66b62ac5bf342511eec550.28%
43fdc4b4664f815335098625caecf9023e136be634c90a29ff78ef8eaaccce300.2%
7e5a9442936c671a9190fd8df6e06e2a96658f902bf2c3f08cdf022b55bb2a4b0.16%
7082eecd637f326b83b77a0333f557e253fbd8c4f39392738c0be5a5a267efec0.01%
fbade2ad11fc75033d4be83f26dfec1d3e42056b717c16ca609e56229afd3e820.01%
076b4a4006cd173fee9e436f083c8d065f51b171062be9f5f18c48ca8008b933<0.01%

Process Ancestry

Top Parents

Top Children

Rare or environment-specific process names are omitted from ancestry tables. Percentages are of all observed relationships.

Security Analysis

What does wslhost.exe normally do?

Part of Microsoft software. Normal operation.

When is wslhost.exe suspicious?

Running from unexpected paths.

How do attackers abuse wslhost.exe?

Not commonly abused.

Detection guidance

No specific detection needed.

False positive notes

Normal Microsoft operation.

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Data from EchoTrail's dataset of ~346M Windows process executions. Last extracted 2026-08-04.