Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

5.97 14.29%
5.83 14.29%
5.02 42.86%
5.00 14.29%
4, 21, 0, 0 14.29%

Relationships

Parent process
Child process
Related files

PE structurePE file structure
Show functions
Import table
achelper.dll
ACHlprGetRoamingFlags, ACHlprGetRegBinData, ACHlprSetRegDWord, ACHlprGetRegDWord, ACHlprGetLangSubDirFromLangID, ACHlprGetRegString, ACHlprSetRegString
acon.dll
AConInitDll, AConUnInitDll
advapi32.dll
ConvertStringSecurityDescriptorToSecurityDescriptorW, RegNotifyChangeKeyValue, OpenProcessToken, LookupPrivilegeValueW, AdjustTokenPrivileges, DuplicateTokenEx, SetTokenInformation, CreateProcessAsUserW, SetEntriesInAclW, InitializeSecurityDescriptor, SetSecurityDescriptorDacl, StartServiceCtrlDispatcherW, RegisterServiceCtrlHandlerExW, OpenServiceW, ControlService, QueryServiceStatus, DeleteService, OpenSCManagerW, CreateServiceW, CloseServiceHandle, SetServiceStatus, RegOpenKeyExW, RegQueryValueExW, RegCloseKey
iphlpapi.dll
GetInterfaceInfo, IpRenewAddress, IpReleaseAddress
kernel32.dll
lstrcatW, GetModuleFileNameW, CreateEventW, CreateFileMappingW, MultiByteToWideChar, CreateProcessW, OpenProcess, GetCurrentThreadId, lstrlenA, LocalAlloc, GetCurrentProcessId, ProcessIdToSessionId, TerminateThread, OpenThread, FormatMessageW, GetProcessHeap, HeapFree, DeviceIoControl, ExitThread, CreateFileW, OutputDebugStringW, GetModuleHandleA, ExitProcess, GetVersionExA, GetSystemTimeAsFileTime, GetTickCount, GetFileAttributesW, SetEvent, Sleep, HeapAlloc, QueryPerformanceCounter, GetStartupInfoW, InterlockedExchange, GetACP, GetLocaleInfoA, GetThreadLocale, GetVersionExW, CreateThread, GetSystemDirectoryW, lstrcpyW, LoadLibraryW, GetProcAddress, FreeLibrary, OpenFileMappingW, MapViewOfFile, UnmapViewOfFile, lstrlenW, GetLastError, ReleaseSemaphore, CreateSemaphoreW, ReleaseMutex, WaitForSingleObject, CloseHandle, CreateMutexW, LocalFree, lstrcmpiW, DeleteCriticalSection, InitializeCriticalSection
msvcp71.dll
DllMain
msvcr71.dll
DllMain
netapi32.dll
NetShareDel, NetShareAdd, NetUserDel, NetUserSetInfo, NetUserAdd
ole32.dll
CoUninitialize, CoInitializeEx, CoInitializeSecurity
rpcrt4.dll
RpcServerListen, NdrServerCall2, RpcMgmtStopServerListening, RpcServerUnregisterIf, RpcServerUseProtseqW, RpcServerRegisterIf, RpcServerInqBindings, RpcEpRegisterW
shlwapi.dll
PathFileExistsW
user32.dll
wsprintfW, RegisterWindowMessageW, RegisterClassW, CreateWindowExW, GetMessageW, DispatchMessageW, DefWindowProcW, CallWindowProcW, PostMessageW, CloseWindow, OpenInputDesktop, GetThreadDesktop, SetThreadDesktop, CloseDesktop, GetDesktopWindow, LoadStringW, MessageBoxW
userenv.dll
CreateEnvironmentBlock, DestroyEnvironmentBlock

AcSvc.exe

ThinkVantage Access Connections by Lenovo(Japan)Ltd. (Signed)

Remove AcSvc.exe
Version:   5.02
MD5:   977457d42bc46e46d1fea8d375685de9
SHA1:   1aefa924c3b8458cef81d0046cbd48e820e6d543
SHA256:   07722201aa3979ce7170eea2d7b4aff5ec87aa1c502a3af3af4f9a92384bc769

What is AcSvc.exe?

ThinkVantage Access Connections enables users to create and manage location profiles, used to connect easily to the appropriate network when using a portable computer. Switching your active profile allows you to switch what network your computer will connect to.

About AcSvc.exe (from Lenovo(Japan)Ltd.)

“Avoid support costs by allowing users to seamlessly switch between wired and wireless environments, managing security settings, printers, home page and other location-specific settings automatically. ”

DetailsDetails

File name:AcSvc.exe
Publisher:Lenovo
Product name:ThinkVantage Access Connections
Description:ThinkVantage Access Connections Main Service
Typical file path:C:\Program Files\thinkpad\connectutilities\acsvc.exe
File version:5.02
Size:233.28 KB (238,880 bytes)
Certificate
Issued to:Lenovo(Japan)Ltd.
Authority (CA):VeriSign
Effective date:Monday, October 29, 2007
Expiration date:Wednesday, October 29, 2008
Digital DNA
PE subsystem:Windows GUI
Entropy:5.375903
File packed:No
Code language:Microsoft Visual C++ 7.1
.NET CLR:No
More details

ResourcesPrograms

The following program will install this file
ThinkVantage Access Connections
 Lenovo
12% remove
ThinkVantage Access Connections is a connectivity assistant program for your ThinkPad computer. It enables you to quickly switch the network settings and Internet settings by selecting a location profile. You can define the network settings and Internet settings in the Location Profile for modem/wired LAN/Wireless LAN network devices, and then restore that profile whenever you need it. By switching the location profile, you can connect ...

BehaviorsBehaviors

Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • 'AcSvc'
  • 'AcSvc' (Access Connections Main Service)

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00005304%
0.028634%
Kernel CPU:0.00002845%
0.013761%
User CPU:0.00002459%
0.014873%
Kernel CPU time:31,239 ms/min
100,923,805ms/min
CPU cycles:72,791/sec
17,470,203/sec
Memory
Private memory:6.94 MB
21.59 MB
Private (maximum):12.28 MB
Private (minimum):12.26 MB
Non-paged memory:6.94 MB
21.59 MB
Virtual memory:104.08 MB
140.96 MB
Virtual memory (peak):109.04 MB
169.69 MB
Working set:12.27 MB
18.61 MB
Working set (peak):16.92 MB
37.95 MB
Page faults:115,398/min
2,039/min
I/O
I/O read transfer:8 Bytes/sec
1.02 MB/min
I/O read operations:1/sec
343/min
I/O other transfer:461 Bytes/sec
448.09 KB/min
I/O other operations:27/sec
1,671/min
Resource allocations
Threads:20
12
Handles:474
600

BehaviorsProcess properties

Platform:32-bit
Command line:"C:\Program Files\thinkpad\connectutilities\acsvc.exe"
Owner:SYSTEM
Windows Service
Service name:AcSvc
Display name:Access Connections Main Service
Type:Win32OwnProcess, InteractiveProcess
Parent process:services.exe (Services and Controller app by Microsoft)

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Ultimate 66.67%
Windows 7 Professional 16.67%
Windows Vista Business 16.67%

Distribution by countryDistribution by country

TT installs about 33.33% of ThinkVantage Access Connections.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Lenovo 100.00%
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