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What is trustedinstaller.exe?

Part of Windows Modules Installer

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How does trustedinstaller.exe run?

Service - trustedinstaller.exe runs as a background Windows service called 'Trusted Installer' (Trusted Installer). This service runs as the SYSTEM account with extensive privileges on the local computer, and acts as the computer on the network. Trusted Installer runs as a service that can share a process with other Win32 services.


What is the community is seeing?What is the community is doing?
About 0.4% of all Boost users have the trustedinstaller.exe process running.Of the 0.4% of trustedinstaller.exe users, 12.5% have disabled it.
How resource intensive is trustedinstaller.exe?
Comparison based on the average resource utilization across all programs.
0.01298% CPU129818.9%
Average CPU utilization across all programs is 0.00001%.
          5.21 MB RAM24.2%
Average private memory utilization across all programs is 21.53 MB.
 1 /min0.0%
Average I/O read and write operations for all programs is 2,253 per minute.
Typical file (disk image) location:

What Windows OS versions does this run on?

Windows 7 Ultimate (6.1.7601.65536)
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File details

File name: trustedinstaller.exe
Name: Windows Modules Installer
Description: Microsoft® Windows® Operating System
Version: 6.1.7601.17514
Size: 367 KB
Original file name: TrustedInstaller.exe

Resource utilization

CPU utilization averages
Total CPU: 0.0205217215%
Privileged CPU: 0.0075398325%
User CPU: 0.01298188902270%
Privileged CPU time: 2496.02 ms
Privileged CPU time /min: 23 ms
CPU cycle count: 686,058,788
CPU cycle count /min: 205,765,221
Memory utilization averages
Committed memory: 131.72 MB
Peak committed memory: 657.66 MB
Paged memory: 5.21 MB
Peak paged memory: 7.78 MB
Paged system memory: 88.24 KB
Non-paged system memory: 7.72 KB
Working set memory: 900 KB
Peak working set memory: 8.05 MB
Min working set memory: 732 KB
Private memory: 5.21 MB
Page faults: 5,800
Page faults /min: 54
Process I/O averages
Total read operations: 11
Read operations /min: 1
Total read transfer: 38.41 KB
Read transfer /min: 365 Bytes
Total other operations: 27,489
Other operations /min: 255
Total other transfer: 741.82 KB
Other Transfer /min: 6.89 KB
Handle count average: 164
Thread count average: 9
Thread resource averages

Process details

Runs as (owner): System
Integrety level: System
Windows platform: 32-bit
Runs as a service: Yes
Parent Process
Process Command
"C:\Windows\system32\TrustedInstaller.exe" /svc

Service details

Name: Trusted Installer
Service type: Win32ShareProcess
Description: “Adds, modifies, and removes applications provided as a Windows Installer (*.msi) package. If this service is disabled, any services that explicitly depend on it will fail to start.”

Network connectivity

TCP: on port 64452

Image hashes

MD5: af70d3d122b51deb0f28814c92572a47
SHA-1: 9002117446575f869aa1e2493355f3d3273a84ff
SHA-256: 8433c9a6345d210d2196096461804d7137bbf2a6b71b20cc21f4ecf7d15ef6c2

PE image details

Subsystem: Windows Console
File packed: No
Import Table
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