Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

6.3.9600.16384 (winblue_rtm.130821-1623) 0.63%
6.3.9600.16384 (winblue_rtm.130821-1623) 0.32%
6.2.9200.16384 (win8_rtm.120725-1247) 0.48%
6.2.9200.16384 (win8_rtm.120725-1247) 2.22%
6.1.7600.16385 (win7_rtm.090713-1255) 20.13%
6.1.7600.16385 (win7_rtm.090713-1255) 28.68%
6.1.7600.16385 (win7_rtm.090713-1255) 0.16%
6.0.6000.16386 (vista_rtm.061101-2205) 6.81%
6.0.6000.16386 (vista_rtm.061101-2205) 3.49%
5.2.3790.3959 (srv03_sp2_rtm.070216-1710) 0.16%
5.2.3790.1830 (srv03_sp1_rtm.050324-1447) 0.16%
5.1.2600.5512 (xpsp.080413-2105) 27.10%
5.1.2600.5512 (xpsp.080413-2105) 0.16%
5.1.2600.5512 (xpsp.080413-2105) 0.16%
5.1.2600.5512 (xpsp.080413-2105) 0.16%
5.1.2600.5512 (xpsp.080413-2105) 0.16%
5.1.2600.5512 (xpsp.080413-2105) 0.16%
5.1.2600.5512 (xpsp.080413-2105) 0.16%
5.1.2600.5512 (xpsp.080413-2105) 0.16%
5.1.2600.3311 (xpsp.080212-0004) 0.16%
5.1.2600.2180 (xpsp_sp2_rtm.040803-2158) 8.40%

Relationships

Parent process
Related files

rundll32.exe

Windows host process (Rundll32) by Microsoft

Remove rundll32.exe
Version:   6.2.9200.16384 (win8_rtm.120725-1247)
MD5:   224f6b374852153c8c24bed141ae3a20
SHA1:   e267a1a7dae5702e18ebdd0d451578a50df5abca
SHA256:   9f73b0e980df0aea1ca13a3418db2434ab8e3c56e97f150a5fd62489583a9d20
This is a Windows system installed file with Windows File Protection (WFP) enabled.

Overview

rundll32.exe executes as a process with the local user's privileges typically within the context of its parent LogonUI.exe (Windows Logon User Interface Host by Microsoft). It is set to be run when the PC boots and the user logs into Windows (added to the Run registry key for the current user). It configures an autoplay handler withing explorer.exe named MSPhotoAcqHWEventHandler that will launch the program automatically. This version is installed on Windows 8 and is compiled as a 32 bit program.

DetailsDetails

File name:rundll32.exe
Publisher:Microsoft Corporation
Product name:Windows host process (Rundll32)
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\rundll32.exe
Original name:RUNDLL32.EXE.MUI
File version:6.2.9200.16384 (win8_rtm.120725-1247)
Product version:6.2.9200.16384
Size:47.5 KB (48,640 bytes)
Digital DNA
PE subsystem:Windows GUI
Entropy:6.056689
File packed:No
Code language:Microsoft Visual C++
.NET CLR:No
More details

BehaviorsBehaviors

Autoplay handlers
Runs under the registry key 'SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\AutoplayHandlers\Handlers'
  • Handler name 'WinampMTPHandler'
  • Handler name 'PStarterVideoFilesArrival'
  • Handler name 'PStarterPicturesArrival'
  • Handler name 'PStarterMusicFilesArrival'
  • Handler name 'PStarterMixedCDArrival'
  • Handler name 'PStarterDVDBurningOnArrival'
  • Handler name 'PStarterBlankCDArrival'
  • Handler name 'Power2GoPlayCDAudioOnArrival'
  • Handler name 'PDirDVArrival'
  • Handler name 'P2GDVDBurningOnArrival'
  • Handler name 'P2GCDBurningOnArrival'
  • Handler name 'muveeVideoOnArrival'
  • Handler name 'muveeVideoCameraArrivalCaptureWizard'
  • Handler name 'MSShowPicturesOnArrival'
  • Handler name 'MSSHAudioDevHandler'
  • Handler name 'MSRipCDAudioOnArrival'
  • Handler name 'MediaCapture9VideoCamera'
  • Handler name 'MSSdRunBackup'
  • Handler name 'MSSdConfigBackup'
  • Handler name 'MSPromptEachTimeNoContent'
  • Handler name 'MSPromptEachTime'
  • Handler name 'MSPhotoAcqHWEventHandler'
Approved shell extensions
Located in the registry at 'SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved'
  • CLSID: {9D687A4C-1404-41ef-A089-883B6FBECDE6}
Scheduled tasks
  • The job 'MyTurboPC.com Registration3' runs daily in the path '\MyTurboPC.com Registration3'
  • The job 'EasyShare Registration Task' runs daily in the path '\EasyShare Registration Task'
  • The task 'PC Utility Kit Registration3' runs daily in the path '\PC Utility Kit Registration3'
  • The task 'PC Unleashed Online Registration3' runs daily in the path '\PC Unleashed Online Registration3'
  • The task 'SparkTrust Registration3' runs daily in the path '\SparkTrust Registration3'
  • The job 'ParetoLogic Registration' runs daily in the path '\ParetoLogic Registration'
  • The task 'SpeedMaxPc Registration3' runs daily in the path '\SpeedMaxPc Registration3'
  • The job 'ParetoLogic Registration3' runs daily in the path '\ParetoLogic Registration3'
  • The task 'SpeedyPC Registration3' runs daily in the path '\SpeedyPC Registration3'
  • Entry path '\{DF592278-9ED5-4925-9117-7AD619F1AAA8}'
  • Entry path '\{D6488D52-E069-4A39-816E-D1598D5449A4}'
  • Entry path '\{C8536D19-006C-4D7C-B8C4-5A4B5160C5ED}'
  • Entry path '\{BBA662F7-038F-467B-8873-EB604B5242A2}'
  • Entry path '\{B86A1F70-22DB-44E2-850A-04DB8130A83A}'
  • Entry path '\{A9F6F357-C7F2-493B-9CA6-BA8096AAF4DF}'
  • Entry path '\{8A560E02-3FEE-4E3F-BD2F-E30E081ACB04}'
  • Entry path '\{898C3889-ACDA-439E-91B0-36187A01B19B}'
  • Entry path '\{0FF765F0-1DE5-461B-9F9B-936450ABA203}'
  • Entry path '\{0420CBAC-4E40-4938-9955-4C7C8595BC42}'
  • Entry path '\{00BAB955-E3A4-40EE-A715-E595C89513B0}'
  • Entry path '\EasyShare Registration Task'
  • Entry path '\MyTurboPC.com Registration3'
Startup files (user) run
Runs under the registry key 'HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'
  • 'uprkr' → rundll32.exe ",RetrieveKey
User start menu folder
Shortcut pointer placed in '%appdata%\Microsoft\Windows\Start Menu'
  • Shortcut to 'rundll32.exe'
  • Shortcut to 'lsass.exe'
Startup files (all users) run
Runs under the registry key 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'
  • 'CTMasterOnOffMonitor' → Rundll32.exe CTMWatch.dll StartCTMasterOnOffWatch

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00024508%
0.028634%
Kernel CPU:0.00023220%
0.013761%
User CPU:0.00001288%
0.014873%
Kernel CPU time:260,023 ms/min
100,923,805ms/min
CPU cycles:523/sec
17,470,203/sec
Context switches:11/sec
284/sec
Memory
Private memory:4 MB
21.59 MB
Private (maximum):6.57 MB
Private (minimum):3.97 MB
Non-paged memory:4 MB
21.59 MB
Virtual memory:70.75 MB
140.96 MB
Virtual memory (peak):71.88 MB
169.69 MB
Working set:4.11 MB
18.61 MB
Working set (peak):6.59 MB
37.95 MB
Page faults:4,990/min
2,039/min
I/O
I/O read transfer:5 Bytes/sec
1.02 MB/min
I/O read operations:1/sec
343/min
I/O other transfer:0 Bytes/sec
448.09 KB/min
I/O other operations:1/sec
1,671/min
Resource allocations
Threads:3
12
Handles:159
600
GUI GDI count:12
103
GUI GDI peak:13
142
GUI USER count:4
49
GUI USER peak:5
71

BehaviorsProcess properties

Integrety level:Medium
Platform:32-bit
Command lines:
  • "C:\Windows\System32\rundll32.exe" -localserver 22d8c27b-47a1-48d1-ad08-7da7abd79617
  • "C:\Windows\System32\rundll32.exe" cmicnfg3.cpl,cmictrlwnd
Owner:User
Parent processes:

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Ultimate 36.50%
Windows 7 Home Premium 25.00%
Windows Vista™ Home Premium 9.00%
Windows Vista Ultimate 7.00%
Windows Vista Home Premium 4.50%
Windows 7 Professional 3.00%
Microsoft Windows 7 Professional 2.50%
Windows 8.1 2.00%
Windows 8 Pro 2.00%
Windows Vista Home Basic 1.50%
Windows 8 1.50%
Windows 8.1 Pro 1.00%
Windows 7 Home Basic 1.00%
Windows 7 Starter 1.00%
Windows 8 Single Language 0.50%
Windows 8 Enterprise 0.50%
Windows 8 Pro with Media Center 0.50%
Windows 7 Home Premium N 0.50%
Windows Server 2008 Standard 0.50%

Distribution by countryDistribution by country

United States installs about 50.56% of Windows host process (Rundll32).

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Hewlett-Packard 21.36%
Acer 18.45%
Toshiba 13.59%
Dell 13.59%
Sony 9.71%
Lenovo 9.71%
Alienware 4.85%
GIGABYTE 4.85%
ASUS 1.94%
Gateway 1.94%
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