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Atheros Configuration Service (ACS) by Atheros Communications Inc. (Signed)

Remove acs.exe


There are 8 versions of acs.exe in the wild, the latest version being It is started as a Windows Service called 'Atheros beállítási szolgáltatás' with the name 'ACS' and described as “Gives access to single sign on and a mechanism to communicate with the supplicant for security negotiation.”. . In addition, it is run under the context of the SYSTEM account with extensive privileges (the administrator accounts have the same privileges). The average file size is about 462.98 KB. The file is a digitally signed and issued to Atheros Communications Inc. by VeriSign. Some variations of the file have been seen to be installed with the program NVIDIA Drivers from NVIDIA Corporation. During the process's lifecycle, the typical CPU resource utilization is less than 0.01%, the average private memory consumption is about 7.1 MB with the maximum memory reaching around 8.9 MB. Addionally, typically read and write I/O disk operations is about 17.11 KB per minute for reads and 11 Bytes per minute for writes.

What is acs.exe?

The Atheros Configuration Service (ACS) is a Windows Service that handles wireless configuration and authentication. It is also an alternate to the built-in Windows Wireless Zero Config (WZC) service.


File name:acs.exe
Product name:Atheros Configuration Service (ACS)
Typical file path:C:\Windows\System32\acs.exe
Issued to:Atheros Communications Inc.
Authority (CA):VeriSign
Expiration date:Friday, January 4, 2013
Windows Service
Service name:ACS
Display name:Atheros beállítási szolgáltatás
Description:“Gives access to single sign on and a mechanism to communicate with the supplicant for security negotiation.”

ResourcesPrograms installed in

(Note, the programs listed below are for all versions of Atheros Configuration Service (ACS).)
NVIDIA Corporation
2% remove
The NVIDIA Driver is the software driver for NVIDIA Graphics GPU installed on the PC. It is a program used to communicate from the Windows PC OS to the device. This software is required in most cases ...


(Note, the behaviors below are for all versions of acs.exe, select a unique version for details.)
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • 'ACS' (Atheros beállítási szolgáltatás)
  • ACS

VersionsAll file variations of acs.exe

MD5SHA-1File size
9c94f47d0e40229920a10e6f60cd0715 358b379a8b50018c764a0ad8adcccadf2175e715 491.24 KB
82400ac5d5101d8e119a52984432b573 0d2a9b92cfa5d0b7f9399eab141595b9efc42cde 488.08 KB
5ac144f03b31afab6717ad3622d1680d 2a80d1af65e46b0d1d1a11a93771284b6e2d2d20 488.08 KB
75265152c2a2d1cbd2df180d63081d01 6824a8dcb833190c57e73b3d0bf6502846a99e1a 484.08 KB
4acf9052a6355d1530cf782e0919c5b4 0071e47107e32c9e758939ec661722ab310ad93b 484.08 KB
8cddbfcdac7226fe0202c7338107725b 845e349e0435a7c52dc8e8ab550c8fdf570475e2 456.08 KB
d56f9e7c0085eeb92010009249436811 601e89a26217de45a2cfc74af65b092620f2a425 456.08 KB
adcd97e228433e55840214cf0d3762ac 06866eadeb2cb0947c4d8eb7430f4a0fc0ecd66b 356.08 KB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Microsoft Windows XP 100.00%

Distribution by countryDistribution by country

United States installs about 24.14% of Atheros Configuration Service (ACS).

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 37.50%
Toshiba 18.75%
Compaq 12.50%
MSI 12.50%
American Megatrends 9.38%
Hewlett-Packard 9.38%
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