Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

8.16.11.8766 36.36%
8.16.11.8766 63.64%
(Note, NVIDIA Corporation publishes each variation of this file with the same version, but the hashes are unique.)

Relationships

Parent process
Related files

PE structurePE file structure

Show functions
Import table
advapi32.dll
RegGetValueW, RegQueryValueExW, RegCloseKey, RegEnumKeyExW, RegSetValueExW, RegOpenKeyExW, InitializeSecurityDescriptor, SetSecurityDescriptorDacl, StartServiceCtrlDispatcherW, RegisterServiceCtrlHandlerExW, SetServiceStatus, OpenProcessToken, DuplicateTokenEx, SetTokenInformation, CreateProcessAsUserW, OpenServiceW, ControlService, QueryServiceStatus, DeleteService, OpenSCManagerW, CreateServiceW, CloseServiceHandle, ConvertStringSecurityDescriptorToSecurityDescriptorW, RegDeleteValueW
kernel32.dll
DisconnectNamedPipe, FlushFileBuffers, WriteFile, ReadFile, ResumeThread, InterlockedIncrement, ConnectNamedPipe, CreateNamedPipeW, InterlockedDecrement, CompareStringW, CompareStringA, CreateFileA, GetTimeZoneInformation, GetLocaleInfoW, WriteConsoleW, GetConsoleOutputCP, WriteConsoleA, SetStdHandle, CreateFileW, SwitchToThread, GetCommandLineW, InitializeCriticalSection, OpenEventW, DeleteCriticalSection, SetEvent, WTSGetActiveConsoleSessionId, CreateThread, GetCurrentProcess, EnterCriticalSection, LeaveCriticalSection, WaitForMultipleObjects, CloseHandle, SetLastError, GetLastError, Sleep, GetSystemDirectoryW, LoadLibraryW, GetProcAddress, FreeLibrary, CreateEventW, LocalFree, SetEnvironmentVariableA, WaitForSingleObject, IsValidCodePage, IsValidLocale, EnumSystemLocalesA, GetLocaleInfoA, InterlockedCompareExchange, GetUserDefaultLCID, TerminateProcess, UnhandledExceptionFilter, SetUnhandledExceptionFilter, IsDebuggerPresent, RaiseException, RtlUnwind, HeapFree, GetCommandLineA, GetVersionExA, HeapAlloc, GetProcessHeap, GetStartupInfoA, GetModuleHandleA, TlsGetValue, TlsAlloc, TlsSetValue, TlsFree, GetCurrentThreadId, GetCurrentThread, HeapSize, ExitProcess, GetCPInfo, GetACP, GetOEMCP, HeapDestroy, HeapCreate, VirtualFree, FatalAppExitA, VirtualAlloc, HeapReAlloc, GetStdHandle, GetModuleFileNameA, FreeEnvironmentStringsA, GetEnvironmentStrings, FreeEnvironmentStringsW, WideCharToMultiByte, GetEnvironmentStringsW, SetHandleCount, GetFileType, QueryPerformanceCounter, GetTickCount, GetCurrentProcessId, GetSystemTimeAsFileTime, SetFilePointer, GetConsoleCP, GetConsoleMode, MultiByteToWideChar, SetConsoleCtrlHandler, InterlockedExchange, LoadLibraryA, LCMapStringA, LCMapStringW, GetStringTypeA, GetStringTypeW, GetTimeFormatA, GetDateFormatA
ole32.dll
CoInitializeSecurity, CoInitialize
rpcrt4.dll
UuidToStringW, RpcStringFreeW
shell32.dll
SHGetFolderPathW, CommandLineToArgvW, SHCreateDirectoryExW
shlwapi.dll
SHDeleteValueW, PathAppendW, PathFileExistsW, SHSetValueW, PathAddBackslashW

nvvsvc.exe

NVIDIA Driver Helper Service, Version 187.66 by NVIDIA Corporation (Signed)

Remove nvvsvc.exe
Version:   8.16.11.8766
MD5:   c4d17f11526f87bc762f31da5bd2580b
SHA1:   5c3a1435e3c2832543a05552adfcec5036fb18d6
SHA256:   2e2741676407b3c23ce7c1a61a38c053f3b150713697ca94211b99a7bf601d12

What is nvvsvc.exe?

The NVIDIA Driver Helper Service is used in configuring a PC's NVIDIA drivers for video graphics cards. They provide the ability to override OpenGL refresh rates through via NVIDIA Control Panel in the display properties.

Overview

nvvsvc.exe runs as a service under the name NVIDIA Display Driver Service (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 187.66
Typical file path:C:\Windows\System32\nvvsvc.exe
Original name:nvsvc32.exe
File version:8.16.11.8766
Size:214.6 KB (219,752 bytes)
Certificate
Issued to:NVIDIA Corporation
Authority (CA):VeriSign
Effective date:Thursday, July 30, 2009
Expiration date:Thursday, September 1, 2011
Digital DNA
File packed:No
Code language:Microsoft Visual C# / Basic .NET
.NET CLR:Yes
.NET NGENed:No
More details

BehaviorsBehaviors

Service
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • '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:0.00251520%
0.028634%
Kernel CPU:0.00201806%
0.013761%
User CPU:0.00049714%
0.014873%
Kernel CPU time:361 ms/min
100,923,805ms/min
CPU cycles:292,730/sec
17,470,203/sec
Context switches:12/sec
284/sec
Memory
Private memory:2.66 MB
21.59 MB
Private (maximum):5.75 MB
Private (minimum):5.13 MB
Non-paged memory:2.66 MB
21.59 MB
Virtual memory:56.45 MB
140.96 MB
Virtual memory (peak):64.43 MB
169.69 MB
Working set:5.21 MB
18.61 MB
Working set (peak):7.46 MB
37.95 MB
Page faults:5,611/min
2,039/min
I/O
I/O read transfer:1.21 KB/sec
1.02 MB/min
I/O read operations:1/sec
343/min
I/O write transfer:1.21 KB/sec
274.99 KB/min
I/O write operations:1/sec
227/min
I/O other transfer:2.77 KB/sec
448.09 KB/min
I/O other operations:7/sec
1,671/min
Resource allocations
Threads:4
12
Handles:121
600
GUI GDI count:11
103
GUI GDI peak:14
142
GUI USER count:6
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:NVIDIA Display Driver Service
Description:“Provides system and desktop level support to the NVIDIA display driver”
Type:Win32OwnProcess
Parent processes:

ResourcesThreads

Averages
 
nvvsvc.exe (main module)
Total CPU:0.00416930%
0.272967%
Kernel CPU:0.00359904%
0.107585%
User CPU:0.00057026%
0.165382%
CPU cycles:175,965/sec
5,741,424/sec
Context switches:1/sec
79/sec
Memory:216 KB
1.16 MB
nvsvc.dll (NVIDIA Driver Helper Service, Version 187.66 by NVIDIA)
Total CPU:0.00135576%
Kernel CPU:0.00077081%
User CPU:0.00058495%
CPU cycles:190,952/sec
Context switches:2/sec
Memory:868 KB
nvapi.dll (NVIDIA Windows drivers by NVIDIA)
Total CPU:0.00024897%
Kernel CPU:0.00000000%
User CPU:0.00024897%
CPU cycles:43/sec
Memory:1.05 MB

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 Vista Home Premium 72.73%
Windows 7 Ultimate 27.27%

Distribution by countryDistribution by country

Australia installs about 27.27% of NVIDIA Driver Helper Service, Version 187.66.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Hewlett-Packard 100.00%
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