6.3.9600.16384 (winblue_rtm.130821-1623) 5.35%
6.3.9600.16384 (winblue_rtm.130821-1623) 0.09%
6.3.9431.0 (winmain_bluemp.130615-1214) 0.28%
6.3.9431.0 (winmain_bluemp.130615-1214) 0.03%
6.2.9200.16384 (win8_rtm.120725-1247) 2.65%
6.2.9200.16384 (win8_rtm.120725-1247) 16.89%
6.2.8400.0 (winmain_win8rc.120518-1423) 0.09%
6.2.8400.0 (winmain_win8rc.120518-1423) 0.09%
6.2.8250.0 (winmain_win8beta.120217-1520) 0.03%
6.2.8102.0 (winmain_win8m3.110823-1455) 0.09%
6.1.7600.16385 (win7_rtm.090713-1255) 48.15%
6.1.7600.16385 (win7_rtm.090713-1255) 25.35%
6.1.7600.16385 (win7_rtm.090713-1255) 0.89%



Autochk Proxy DLL by Microsoft

Remove acproxy.dll
This is a Windows system installed file with Windows File Protection (WFP) enabled.


acproxy.dll has 13 known versions, the most recent one is 6.3.9600.16384 (winblue_rtm.130821-1623). acproxy.dll is run as a standard windows process in the context of the SYSTEM account with extensive privileges. The process utilizes the Windows Task Scheduler to automatically launch the file as a process when a user logs into Windows. The average file size is about 10.62 KB. Numerous variations of acproxy.dll have been installed with both Counter-Strike: Global Offensive and Dolby Home Theater v4. This is a .NET Common Language Runtime (CLR) assembly.


File name:acproxy.dll
Publisher:Microsoft Corporation
Product name:Autochk Proxy DLL
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\acproxy.dll
Original name:acproxy.DLL.MUI

ResourcesPrograms installed in

(Note, the programs listed below are for all versions of Autochk Proxy DLL.)
Dolby Laboratories Inc
6% remove
Dolby® Home Theater® v4 comprises a suite of technologies that work together to deliver a cinematic surround sound experience on your desktop or laptop with crisp and clear PC audio. You can enjoy it ...
Valve Corporation
11% remove
Counter-Strike: Global Offensive is an online first-person shooter developed by Valve Corporation and Hidden Path Entertainment, who also maintained Counter-Strike: Source after its release. Like the ...


(Note, the behaviors below are for all versions of acproxy.dll, select a unique version for details.)
Scheduled tasks
  • The job 'Proxy' runs on boot in the path '\Microsoft\Windows\Autochk\Proxy'
  • Entry path '\Microsoft\Windows\Autochk\Proxy'
Scheduled tasks startups
Set to load on user login (bypasses Windows UAC if enabled)
  • Login entry path '\Microsoft\Windows\Autochk\Proxy'

VersionsAll file variations of acproxy.dll

MD5SHA-1File size
deabe46484aadd7509b1d0cc308dcf77 bf005a00a04d1cc8942b0a826999dd877350d87e 12 KB
6799990bc4f63f3a7b90fe6bcca3ade5 17ddaf8cf00ce08ecfe599e231407f699da5fe2f 11 KB
fab1c54fa2fb0c0f2064a408171902e3 abea52bb204d6055285be83a2dcda6caa0fadc70 12 KB
ebe39d043155006f2b2fb5a380f7e4b6 7b176e2af8325497b6e6a591d7d4ce0c7d3d7acf 11 KB
1ab3294044fca4efabc2c18737076140 1ca227c79cbd625a75d2ab708aca4d60283be640 10 KB
43b464f0ff01751caf9df9e9db508dd2 903eb7279b5250ed57657ef97be2db5c8bf748e2 12 KB
be9ef1f4eec835cbcc1ee20d3ecb9d6e 45b73c20b62714304fa97b7ba9a4335cfe3d2b02 12 KB
ffd20503f53d0ab967280e216b0abc19 d486b97d3d44a116d7b30236e77908a6f66fe398 10 KB
0ffd8f009356f7d4ded873c5c1039744 975b7dcc2b175c91d3d72b217ac4788fc2558890 10 KB
f79493e718c77c3a29fe9cd830bcb642 2a9e4cae8dfe151c831987a5b18f261333808c0e 9 KB
aeafe966fb0bef2f9153b7076bc79127 9c02a150d2a4955e28ddc0f29ff1319bff82536c 11 KB
3a9fc5d24053769ed9b710b576deeb8a c448b07d4bbe191c6a8e01307861f8d500cba3c7 9 KB
3a9fc5d24053769ed9b710b576deeb8a c448b07d4bbe191c6a8e01307861f8d500cba3c7 9 KB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 30.00%
Windows 8.1 19.50%
Windows 7 Ultimate 15.50%
Windows 8.1 Pro 7.75%
Windows 7 Professional 6.25%
Windows 8 4.50%
Windows 8.1 Single Language 3.50%
Windows 8 Pro 3.00%
Windows 8.1 Pro with Media Center 2.25%
Windows 8 Single Language 2.25%
Windows 7 Home Basic 1.50%
Windows 8 Enterprise N 1.00%
Windows 8.1 N 0.50%
Windows Seven Black Edition 0.50%
Windows 8.1 Enterprise Evaluation 0.50%
Windows 8 Enterprise 0.50%
Windows 7 Starter 0.50%
Windows 8.1 Enterprise 0.50%

Distribution by countryDistribution by country

United States installs about 45.48% of Autochk Proxy DLL.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 18.82%
ASUS 18.04%
Hewlett-Packard 17.84%
Acer 11.96%
Lenovo 10.20%
Toshiba 9.80%
Sony 5.10%
Intel 2.35%
Samsung 1.57%
Alienware 1.18%
Medion 0.78%
Sahara 0.39%
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