Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

8.0.0.232 14.29%
8.0.0.196 14.29%
8.0.0.144 14.29%
8.0.0.72 14.29%
7.0.1.70 14.29%
5.2.0.124 14.29%
4.1.0.132 14.29%

Relationships

PE structurePE file structure
Show functions
Import table
advapi32.dll
OpenSCManagerW, OpenServiceW, GetUserNameW, CloseServiceHandle, OpenServiceA, OpenSCManagerA
comctl32.dll
ImageList_ReplaceIcon, ImageList_SetBkColor
gdi32.dll
GetTextMetricsW, GetObjectW, GetTextExtentPoint32W, DeleteObject, GetObjectA
kernel32.dll
lstrlenA, CreateFileW, MultiByteToWideChar, GetStartupInfoW, GetModuleHandleW, LoadLibraryW, GetProcAddress, lstrlenW, WideCharToMultiByte, QueryDosDeviceA, GetModuleFileNameW, DeviceIoControl, InterlockedIncrement, InterlockedDecrement, Sleep, FindFirstFileW, FindNextFileW, FindClose, OpenEventW, WaitForSingleObject, ResetEvent, SetEvent, GetLocalTime, GetCurrentThreadId, FreeLibrary, CreateEventW, CreateProcessW, GetLastError, FormatMessageW, LocalFree, CloseHandle, GetDateFormatW, GetTimeFormatW, LeaveCriticalSection, GetStartupInfoA, GetModuleHandleA, LoadLibraryA, DeleteCriticalSection, InitializeCriticalSection, GetModuleFileNameA, EnterCriticalSection, CreateEventA, OpenEventA, CreateProcessA, FormatMessageA, GlobalAlloc, GlobalLock, lstrcpyA, GlobalUnlock, GlobalFree
mfc42.dll
DllMain
mfc42u.dll
DllMain
msvcp60.dll
DllMain
msvcrt.dll
DllMain
ole32.dll
CoUninitialize, CoCreateInstance, CoInitializeEx, CoSetProxyBlanket, CoInitialize, CoInitializeSecurity
setupapi.dll
SetupDiEnumDeviceInfo, SetupDiGetDeviceInstanceIdW, CM_Get_DevNode_Status, SetupDiDestroyDeviceInfoList, SetupDiGetDeviceRegistryPropertyW, SetupDiGetClassDevsW
shell32.dll
Shell_NotifyIconW, ShellExecuteW, Shell_NotifyIconA, ShellExecuteA
user32.dll
WinHelpW, SetTimer, KillTimer, GetClientRect, EnableWindow, LoadIconW, RegisterWindowMessageW, GetWindowTextW, EnumWindows, SetForegroundWindow, IsWindow, GetParent, LoadImageW, SetMenuDefaultItem, GetCursorPos, TrackPopupMenu, GetWindowRect, SetRectEmpty, SendMessageW, CloseWindow, DestroyIcon, SetMenu, LoadBitmapW, RedrawWindow, UpdateWindow, GetSysColor, CopyRect, GetMenuItemCount, CreatePopupMenu, CheckMenuItem, GetMenu, GetSubMenu, GetMenuItemID, InsertMenuW, GetMenuStringW, ModifyMenuW, RemoveMenu, DeleteMenu, GetWindow, IsWindowVisible, SetActiveWindow, LoadMenuW, GetSystemMenu, AppendMenuW, EnableMenuItem, PostMessageW, WinHelpA, LoadIconA, SendMessageA, AppendMenuA, GetMenuStringA, InsertMenuA, GetWindowTextA, LoadMenuA, LoadImageA, RegisterWindowMessageA, LoadBitmapA, ModifyMenuA, PostMessageA
version.dll
GetFileVersionInfoA, GetFileVersionInfoSizeA, VerQueryValueA
wgapi.dll
WgLoadAPI

ACU.exe

ACU by Atheros Communications Inc. (Signed)

Remove ACU.exe
Version:   8.0.0.72
MD5:   70c8501626445a12baecfdd4f5d432b0
SHA1:   5a9bb0f993bbcb86c945c4e717d8ee1c0d760206
SHA256:   8f1d1422e6648be1a8af9f315abb4d4e71cfb0f50810994ac2138f0648fe80f1

What is ACU.exe?

The Atheros Client Utility (ACU) is a user-mode utility designed to edit and add profiles, as well as display display diagnostics pertaining to the Atheros network adapter.

Overview

ACU.exe executes as a process with the local user's privileges. It is set to be start when the PC boots and any user logs into Windows (added to the Run registry key for the all users under the local machine). It is installed with a couple of know programs including Atheros Client Utility published by Atheros Communications and Atheros Driver Installation Program published by Atheros Communications. The file is digitally signed by Atheros Communications Inc. which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:ACU.exe
Publisher:Atheros Communications, Inc.
Product name:ACU
Description:Atheros Client Utility
Typical file path:C:\Program Files\atheros\acu.exe
File version:8.0.0.72
Size:468.09 KB (479,320 bytes)
Certificate
Issued to:Atheros Communications Inc.
Authority (CA):VeriSign
Expiration date:Friday, January 4, 2013
Digital DNA
PE subsystem:Windows GUI
File packed:No
Code language:Microsoft Visual C++
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
Atheros Client Utility
 Atheros Communications
7% remove
This is the Atheros Client Utility for Windows XP. The Atheros Client Utility (ACU) is a user-mode utility designed to edit and add profiles, as well as display display diagnostics pertaining to the Atheros network adapter. When updating the Atheros Client Utility, the Atheros Wireless LAN driver needs to be updated first.
Atheros Driver Installation Program
 Atheros Communications
12% remove
This is the driver installer for the Atheros wireless/bluetooth device installed in the computer.

BehaviorsBehaviors

Startup files (all users) run
Runs under the registry key 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'
  • 'ACU' → "C:\Program Files\Atheros\ACU.exe" -nogui

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.18755981%
0.028634%
Kernel CPU:0.11100478%
0.013761%
User CPU:0.07655502%
0.014873%
Kernel CPU time:203 ms/min
100,923,805ms/min
Context switches:73/sec
284/sec
Memory
Private memory:6.02 MB
21.59 MB
Private (maximum):7.49 MB
Private (minimum):7.49 MB
Non-paged memory:6.02 MB
21.59 MB
Virtual memory:57.91 MB
140.96 MB
Virtual memory (peak):58.94 MB
169.69 MB
Working set:7.49 MB
18.61 MB
Working set (peak):7.49 MB
37.95 MB
Page faults:2,005/min
2,039/min
I/O
I/O read transfer:88 Bytes/sec
1.02 MB/min
I/O read operations:1/sec
343/min
I/O write transfer:93 Bytes/sec
274.99 KB/min
I/O write operations:1/sec
227/min
I/O other transfer:41.75 KB/sec
448.09 KB/min
I/O other operations:846/sec
1,671/min
Resource allocations
Threads:4
12
Handles:142
600
GUI GDI count:33
103
GUI USER count:77
49

BehaviorsProcess properties

Integrety level:Undefined
Platform:32-bit
Command line:"C:\Program Files\atheros\acu.exe" -nogui
Owner:User
Parent process:Explorer.EXE (Windows Explorer by Microsoft)

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Microsoft Windows XP 100.00%

Distribution by countryDistribution by country

Thailand installs about 16.67% of ACU.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Toshiba 40.00%
Dell 40.00%
Acer 20.00%
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