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:   7.0.1.70
MD5:   1b843eabe6de786790651636d42922dc
SHA1:   4ef1a6e060ba3bda91fa8b864ca02d4cd3fe06f3
SHA256:   5c7c2fa56bd8d783f6b35a2c77a5a3909bbd02744728f362b06e9be5c41a70ce

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). 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:7.0.1.70
Size:440.09 KB (450,648 bytes)
Build date:1/26/2008 6:10 PM
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

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:0.00125924%
0.028634%
Kernel CPU:0.00068266%
0.013761%
User CPU:0.00057657%
0.014873%
Kernel CPU time:297 ms/min
100,923,805ms/min
Context switches:4/sec
284/sec
Memory
Private memory:6.6 MB
21.59 MB
Private (maximum):8.75 MB
Private (minimum):8.73 MB
Non-paged memory:6.6 MB
21.59 MB
Virtual memory:40.94 MB
140.96 MB
Virtual memory (peak):45.41 MB
169.69 MB
Working set:8.75 MB
18.61 MB
Working set (peak):8.75 MB
37.95 MB
Resource allocations
Threads:2
12
Handles:182
600
GUI GDI count:32
103
GUI USER count:74
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)

ResourcesThreads

Averages
 
ACU.exe (main module)
Total CPU:0.00194488%
0.272967%
Kernel CPU:0.00108049%
0.107585%
User CPU:0.00086439%
0.165382%
Context switches:4/sec
79/sec
Memory:568 KB
1.16 MB
msvcrt.dll (Windows NT CRT DLL by Microsoft)
Total CPU:0.00050425%
Kernel CPU:0.00028814%
User CPU:0.00021611%
Memory:352 KB

Common loaded modules

These are modules that are typiclaly loaded within the context of this process.

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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