Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

8.17.13.2018 67.50%
8.17.13.2018 32.50%
(Note, NVIDIA Corporation publishes each variation of this file with the same version, but the hashes are unique.)

Relationships

Parent process
Child process
Related files

PE structurePE file structure

Show functions
Import table
advapi32.dll
RegEnumValueW, RegGetValueW, RegSetValueExW, RegisterTraceGuidsW, RegEnumKeyExW, ControlService, GetTraceEnableLevel, ConvertStringSecurityDescriptorToSecurityDescriptorW, UnregisterTraceGuids, SetServiceStatus, QueryServiceStatus, DuplicateTokenEx, GetTraceLoggerHandle, SetTokenInformation, RegQueryInfoKeyW, GetTraceEnableFlags, RegCreateKeyExW, RegisterServiceCtrlHandlerExW, OpenServiceW, TraceMessage, StartServiceCtrlDispatcherW, OpenSCManagerW, DeleteService, OpenProcessToken, CloseServiceHandle, CreateServiceW, RegCloseKey, RegOpenKeyExW, RegDeleteValueW, RegDeleteKeyW, CreateProcessAsUserW, RegQueryValueExW
kernel32.dll
WaitForSingleObject, InterlockedCompareExchange, SetEvent, OutputDebugStringW, GetModuleHandleW, GetSystemTimeAsFileTime, WriteFile, InitializeCriticalSection, GetProcessTimes, WideCharToMultiByte, LoadLibraryW, InitializeCriticalSectionAndSpinCount, Sleep, SizeofResource, CreateEventA, LeaveCriticalSection, TerminateProcess, GetModuleFileNameW, CreateFileW, MultiByteToWideChar, lstrlenW, RaiseException, InterlockedExchange, GetFileSizeEx, SetLastError, GetProcAddress, QueryPerformanceCounter, InterlockedExchangeAdd, CreateEventW, WaitForMultipleObjects, OpenEventW, QueryPerformanceFrequency, DeleteCriticalSection, GetCurrentThreadId, ReleaseMutex, LocalFree, ExpandEnvironmentStringsW, GetTickCount, CreateSemaphoreA, ReleaseSemaphore, DuplicateHandle, CreateThread, DeviceIoControl, GetLocaleInfoW, GetCurrentProcess, InterlockedDecrement, LoadLibraryExW, InterlockedIncrement, LoadResource, FreeLibrary, FindResourceW, CreateMutexW, GetCommandLineW, CloseHandle, lstrcmpiW, WTSGetActiveConsoleSessionId, GetLastError, GetSystemDirectoryW, RemoveDirectoryW, DeleteFileW, CreateDirectoryW, MoveFileW, ReadFile, FormatMessageA, EnterCriticalSection, GetFileAttributesW, CreateWaitableTimerA, SetWaitableTimer, SystemTimeToFileTime, ResetEvent, OpenEventA, GetProcessHeap, SetEnvironmentVariableA, CompareStringW, FlushFileBuffers, IsValidLocale, EnumSystemLocalesA, GetLocaleInfoA, GetUserDefaultLCID, WriteConsoleW, SetStdHandle, GetConsoleMode, GetConsoleCP, SetFilePointer, RtlUnwind, LocalAlloc, LoadLibraryA, HeapFree, HeapAlloc, GetTimeFormatA, GetDateFormatA, UnhandledExceptionFilter, SetUnhandledExceptionFilter, IsDebuggerPresent, EncodePointer, DecodePointer, VirtualProtect, VirtualAlloc, GetSystemInfo, VirtualQuery, GetCommandLineA, HeapSetInformation, GetStartupInfoW, HeapCreate, ExitProcess, GetStdHandle, IsProcessorFeaturePresent, GetCPInfo, GetACP, GetOEMCP, IsValidCodePage, TlsAlloc, TlsGetValue, TlsSetValue, TlsFree, GetTimeZoneInformation, HeapSize, HeapReAlloc, LCMapStringW, GetStringTypeW, GetModuleFileNameA, FreeEnvironmentStringsW, GetEnvironmentStringsW, SetHandleCount, GetFileType, GetCurrentProcessId
ole32.dll
CoTaskMemRealloc, StringFromGUID2, CoTaskMemFree, CoTaskMemAlloc, CoRevokeClassObject, StringFromCLSID, CoCreateInstance, CoInitializeSecurity, CoInitializeEx, CoRegisterClassObject, CoResumeClassObjects, CoCreateInstanceEx, CoAddRefServerProcess
setupapi.dll
SetupDiEnumDeviceInfo, SetupDiGetClassDevsW, SetupDiOpenDevRegKey, SetupDiDestroyDeviceInfoList, SetupDiGetDeviceRegistryPropertyW, CM_Get_DevNode_Status, SetupDiGetDeviceInstanceIdW
shlwapi.dll
SHSetValueW, PathAddBackslashW, StrStrIW, PathFindFileNameW, SHDeleteValueW
userenv.dll
CreateEnvironmentBlock, DestroyEnvironmentBlock
wtsapi32.dll
WTSQueryUserToken

nvvsvc.exe

NVIDIA Driver Helper Service, Version 320.18 by NVIDIA Corporation (Signed)

Remove nvvsvc.exe
Version:   8.17.13.2018
MD5:   b977de8442427ed709a95888e034042a
SHA1:   ef045bda4ec0b5bf45f8cdc490357aafd500613a
SHA256:   1f1d55afa973f3a250fe52694260aa2f5449114079a2bb3be5729984b4203bc2

Overview

nvvsvc.exe runs as a service under the name nvsvc (nvsvc) with extensive SYSTEM privileges (full administrator access). The assembly utilizes the .NET run-time framework (which is required to be installed on the PC). The file is digitally signed by NVIDIA Corporation which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:nvvsvc.exe
Publisher:NVIDIA Corporation
Product name:NVIDIA Driver Helper Service, Version 320.18
Typical file path:C:\Windows\System32\nvvsvc.exe
Original name:nvsvc32.exe
File version:8.17.13.2018
Size:625.28 KB (640,288 bytes)
Certificate
Issued to:NVIDIA Corporation
Authority (CA):VeriSign
Effective date:Wednesday, February 9, 2011
Expiration date:Sunday, February 9, 2014
Digital DNA
File packed:No
Code language:Microsoft Visual C# / Basic .NET
.NET CLR:Yes
.NET NGENed:No
More details

BehaviorsBehaviors

Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • nvsvc
  • 'nvsvc' (NVIDIA Display Driver Service)

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00170598%
0.028634%
Kernel CPU:0.00087216%
0.013761%
User CPU:0.00083383%
0.014873%
Kernel CPU time:487,515 ms/min
100,923,805ms/min
CPU cycles:25,844/sec
17,470,203/sec
Context switches:2/sec
284/sec
Memory
Private memory:2.67 MB
21.59 MB
Private (maximum):7.47 MB
Private (minimum):2.65 MB
Non-paged memory:2.67 MB
21.59 MB
Virtual memory:61.26 MB
140.96 MB
Virtual memory (peak):67.3 MB
169.69 MB
Working set:3.64 MB
18.61 MB
Working set (peak):7.58 MB
37.95 MB
Page faults:5,070/min
2,039/min
I/O
I/O read transfer:0 Bytes/sec
1.02 MB/min
I/O read operations:1/sec
343/min
I/O other transfer:3 Bytes/sec
448.09 KB/min
I/O other operations:1/sec
1,671/min
Resource allocations
Threads:4
12
Handles:150
600
GUI GDI count:9
103
GUI GDI peak:11
142
GUI USER count:5
49
GUI USER peak:6
71

BehaviorsProcess properties

Integrety level:System
Platform:32-bit
Command lines:
  • C:\Windows\System32\nvvsvc.exe -session -first
  • "C:\Windows\System32\nvvsvc.exe"
Owner:SYSTEM
Windows Service
Service name:nvsvc
Display name:nvsvc
Description:“Provides system and desktop level support to the NVIDIA display driver”
Type:Win32OwnProcess
Parent processes:

ResourcesThreads

Averages
 
sechost.dll
Total CPU:0.00007053%
0.272967%
Kernel CPU:0.00000000%
0.107585%
User CPU:0.00007053%
0.165382%
CPU cycles:330/sec
5,741,424/sec
Memory:100 KB
1.16 MB
nvsvc.dll (NVIDIA Driver Helper Service, Version 320.18 by NVIDIA)
Total CPU:0.00003529%
Kernel CPU:0.00003529%
User CPU:0.00000000%
CPU cycles:91,612/sec
Context switches:2/sec
Memory:2.94 MB
nvvsvc.exe (main module)
CPU cycles:242/sec
Memory:640 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
Windows 8 Pro 27.50%
Windows 7 Home Premium 22.50%
Windows 8 17.50%
Windows 7 Ultimate 15.00%
Windows 8 Enterprise 10.00%
Windows 8 Pro with Media Center 7.50%

Distribution by countryDistribution by country

Germany installs about 12.50% of NVIDIA Driver Helper Service, Version 320.18.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Toshiba 32.26%
Acer 19.35%
Sony 19.35%
Hewlett-Packard 12.90%
GIGABYTE 9.68%
Dell 6.45%
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