Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

5.0.9600.16384 (winblue_rtm.130821-1623) 3.68%
5.0.9600.16384 (winblue_rtm.130821-1623) 0.25%
5.0.9431.0 (winmain_bluemp.130615-1214) 0.20%
5.0.9431.0 (winmain_bluemp.130615-1214) 0.04%
5.0.9200.16384 (win8_rtm.120725-1247) 2.25%
5.0.9200.16384 (win8_rtm.120725-1247) 13.41%
5.0.8400.0 (winmain_win8rc.120518-1423) 0.08%
5.0.8400.0 (winmain_win8rc.120518-1423) 0.08%
5.0.8250.0 (winmain_win8beta.120217-1520) 0.04%
5.0.8102.0 (winmain_win8m3.110823-1455) 0.08%
5.0.7600.16385 (win7_rtm.090713-1255) 5.03%
5.0.7600.16385 (win7_rtm.090713-1255) 35.73%
5.0.7600.16385 (win7_rtm.090713-1255) 17.42%
5.0.7600.16385 (win7_rtm.090713-1255) 3.27%
5.0.7600.16385 (win7_rtm.090713-1255) 0.04%
5.0.7264.0 (win7_rtm.090622-1900) 0.04%
4.5.6002.18005 (lh_sp2rtm.090410-1830) 0.65%
4.5.6002.18005 (lh_sp2rtm.090410-1830) 0.12%
4.5.6001.22159 (vistasp1_ldr.080415-1732) 4.62%
4.5.6001.22159 (vistasp1_ldr.080415-1732) 0.04%
4.5.6001.22159 (vistasp1_ldr.080415-1732) 0.04%
4.5.6001.22159 (vistasp1_ldr.080415-1732) 0.12%
4.5.6001.22159 (vistasp1_ldr.080415-1732) 0.08%
4.5.6001.22159 (vistasp1_ldr.080415-1732) 0.12%
4.5.6001.22159 (vistasp1_ldr.080415-1732) 0.04%
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Relationships

msiexec.exe

Windows Installer - Unicode by Microsoft

Remove msiexec.exe
Version:   4.5.6001.22159 (vistasp1_ldr.080415-1732)
MD5:   15d3acad6c72e7bb830d7c29952c0da5
SHA1:   7289994555a83c0ab4091eb9c4e6a26229068851
This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is msiexec.exe?

Microsoft Windows Installer is an installation and configuration service provided with Windows. The installer service enables customers to provide better corporate deployment and provides a standard format for component management. The installer also enables the advertisement of applications and features according to the operating system.

Overview

msiexec.exe runs as a service under the name Windows Installer -ohjelma (msiserver) within the local user context. It is installed in Internet Explorer as a Browser Helper Object (BHO) which has full acess to the web browser's behaviors and content. This version is designed to run on Windows Vista.

DetailsDetails

File name:msiexec.exe
Publisher:Microsoft Corporation
Product name:Windows Installer - Unicode
Description:Windows® installer
Typical file path:C:\Windows\System32\msiexec.exe
Original name:msiexec.exe.mui
File version:4.5.6001.22159 (vistasp1_ldr.080415-1732)
Product version:4.5.6001.22159
Size:119 KB (121,856 bytes)
Build date:4/16/2008 5:34 AM
Digital DNA
PE subsystem:Windows GUI
Entropy:5.753598
File packed:No
Code language:Microsoft Visual C++
.NET CLR:No
More details

BehaviorsBehaviors

Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • msiserver
  • 'msiserver' (Windows Installer)
Scheduled tasks
  • The job '{AD1C092E-8BF9-4322-8B6D-869115BC67D2}' runs on registration in the path '\{AD1C092E-8BF9-4322-8B6D-869115BC67D2}'
  • The job '{EFAD775F-CDF7-4932-BC9F-7C11500B0E27}' runs on registration in the path '\{EFAD775F-CDF7-4932-BC9F-7C11500B0E27}'
  • The task '{AF16EC4C-C7D3-4650-BE4D-593A0E554F4A}' runs on registration in the path '\{AF16EC4C-C7D3-4650-BE4D-593A0E554F4A}'
  • The task '{2A68DB8E-C884-4452-862A-37F7C7E8C162}' runs on registration in the path '\{2A68DB8E-C884-4452-862A-37F7C7E8C162}'
  • The task '{47FC463B-9928-45D3-823C-B4D5F78A7363}' runs on registration in the path '\{47FC463B-9928-45D3-823C-B4D5F78A7363}'
  • The task '{FB16A2A3-DB26-4127-9711-C5E0BF071B10}' runs on registration in the path '\{FB16A2A3-DB26-4127-9711-C5E0BF071B10}'
  • The job '{E29801CF-E188-4C12-9343-76AFA0F16BEB}' runs on registration in the path '\{E29801CF-E188-4C12-9343-76AFA0F16BEB}'
  • The job '{1869EC6C-EE7B-4B66-B13A-A2FF8E7EBDD0}' runs on registration in the path '\{1869EC6C-EE7B-4B66-B13A-A2FF8E7EBDD0}'
  • The job '{AF8E4C1B-E35B-4C57-9A64-1CB2C21CFA46}' runs on registration in the path '\{AF8E4C1B-E35B-4C57-9A64-1CB2C21CFA46}'
  • The job '{C02B77F7-A5CC-4BBE-90BF-75B82251A853}' runs on registration in the path '\{C02B77F7-A5CC-4BBE-90BF-75B82251A853}'
  • The job '{161E942A-7077-4225-AAE1-3727163FBBBF}' runs on registration in the path '\{161E942A-7077-4225-AAE1-3727163FBBBF}'
  • The task '{603A289F-660C-4649-8820-58FD6E7AA78F}' runs on registration in the path '\{603A289F-660C-4649-8820-58FD6E7AA78F}'
  • Entry path '\{8C9E5B76-E78A-411A-B939-C6A034267770}'
  • Entry path '\{7F6FE1B4-CD5C-4EB3-BA3C-FA05AEE67CB6}'
  • Entry path '\{0E478F47-D66E-4DE5-8BE0-876334CD9EBD}'
  • Entry path '\{E673B621-598C-4A26-8A81-2A485793D284}'
  • Entry path '\{C19210A5-228E-4FEA-8C35-D871B9C4FB5F}'
  • Entry path '\{9A26DFD9-8384-4F4C-B4E8-58F5A8829AFB}'
  • Entry path '\{5AA35628-621C-4869-8C3F-FDDA0E1007B1}'
  • Entry path '\{36EF27E1-070B-4449-BB00-BFD5F2EC510B}'
  • Entry path '\{1DCAC8D1-9B4D-4FF8-ABA2-CFD2CD44EEB3}'
  • Entry path '\{E7F58D98-807C-426A-8F92-2766A35F2221}'
Internet Explorer Browser Helper Object
Located in the registry at 'SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects'
  • BHO CLSID: {127AD70F-B2B7-4f6a-ACD9-C7B1FE48C8C0}

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 59.50%
Windows 7 Ultimate 25.50%
Windows 7 Professional 9.50%
Windows 7 Home Basic 2.50%
Windows 7 Starter 1.50%
Windows 8 Pro 1.00%
Windows 8 Enterprise Evaluation 0.50%

Distribution by countryDistribution by country

United States installs about 48.74% of Windows Installer - Unicode.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 23.57%
Hewlett-Packard 18.63%
ASUS 12.93%
Toshiba 12.93%
Acer 11.79%
Lenovo 4.56%
Samsung 3.04%
Sony 3.04%
GIGABYTE 3.04%
Gateway 1.52%
MSI 1.52%
Alienware 0.76%
Medion 0.76%
Intel 0.76%
NEC 0.76%
Sahara 0.38%
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