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perfhost.exe

x86 Performance Counter Host

Microsoft Corporation

It runs as a separate (within the context of its own process) windows Service named “Performance Counter DLL Host”. It is included with the Windows 7 OS.
Publisher:
Microsoft Corporation

Product:
Microsoft® Windows® Operating System

Description:
x86 Performance Counter Host

 
Part of the Windows 7 Operating System

Version:
6.1.7600.16385 (win7_rtm.090713-1255)

MD5:
e495e408c93141e8fc72dc0c6046ddfa

SHA-1:
bae3a88e2b0ff5dfb8e8ae126bb2a65170bbff81

SHA-256:
489b957dada0dc128a09468f1ad082dcc657e86053208ea06a12937be86fb919

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)
Whitelisted  (by digital signature)

Analysis date:
11/4/2025 1:48:32 PM UTC  (today)

File size:
20.5 KB (20,992 bytes)

Product version:
6.1.7600.16385

Copyright:
© Microsoft Corporation. All rights reserved.

Original file name:
perfhost.exe.mui

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\windows\syswow64\perfhost.exe

File PE Metadata
Compilation timestamp:
7/13/2009 7:11:01 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
9.0

CTPH (ssdeep):
384:ABIEALHfeSpYjV+0pXklx1yWWr1WKc0W+1CJ:CIzSUoXklmW20t

Entry address:
0x2D87

Entry point:
E8, 05, 03, 00, 00, E9, C3, FD, FF, FF, CC, CC, CC, CC, CC, 3B, 0D, 28, 40, 00, 01, 75, 03, C2, 00, 00, E9, 81, 03, 00, 00, CC, CC, CC, CC, CC, CC, FF, 25, E8, 10, 00, 01, CC, CC, CC, CC, CC, CC, FF, 25, F0, 10, 00, 01, CC, CC, CC, CC, CC, 8B, FF, 55, 8B, EC, 8B, 45, 08, 8B, 00, 81, 38, 63, 73, 6D, E0, 75, 2B, 83, 78, 10, 03, 75, 25, 8B, 40, 14, 3D, 20, 05, 93, 19, 74, 15, 3D, 21, 05, 93, 19, 74, 0E, 3D, 22, 05, 93, 19, 74, 07, 3D, 00, 40, 99, 01, 75, 06, FF, 15, 2C, 11, 00, 01, 33, C0, 5D, C2, 04, 00, CC...
 
[+]

Entropy:
5.5779

Code size:
11.5 KB (11,776 bytes)

5 Services
Display name:
Performance Counter DLL Host

Service name:
PerfHost

Type:
Win32OwnProcess

Depends on:
RPCSS

Display name:
Leistungsindikator-DLL-Host

Service name:
PerfHost

Type:
Win32OwnProcess

Display name:
Host DLL contatore prestazioni

Service name:
PerfHost

Type:
Win32OwnProcess

Display name:
DLL de host del Contador de rendimiento

Service name:
PerfHost

Type:
Win32OwnProcess

Display name:
Host de DLL de Contador de Desempenho

Service name:
PerfHost

Type:
Win32OwnProcess


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