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
Child 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:   c1668d58547dd0c4a0fbd6afa20d5890
SHA1:   8b97bd68058ca8105b06e2c263b677591c7a171a
SHA256:   cf003e17b4db83b88e3ce3010be9a970756bb45c4d3500d3f02ebdc92bbc2af8

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) within the local user context. 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:383.1 KB (392,296 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:0.00030738%
0.028634%
Kernel CPU:0.00023379%
0.013761%
User CPU:0.00007359%
0.014873%
Kernel CPU time:4,953,196 ms/min
100,923,805ms/min
CPU cycles:86,415/sec
17,470,203/sec
Memory
Private memory:2.49 MB
21.59 MB
Private (maximum):5.61 MB
Private (minimum):4.49 MB
Non-paged memory:2.49 MB
21.59 MB
Virtual memory:67.24 MB
140.96 MB
Virtual memory (peak):78.44 MB
169.69 MB
Working set:4.52 MB
18.61 MB
Working set (peak):6.92 MB
37.95 MB
Page faults:3,764/min
2,039/min
I/O
I/O read transfer:4 Bytes/sec
1.02 MB/min
I/O read operations:1/sec
343/min
I/O write transfer:4 Bytes/sec
274.99 KB/min
I/O write operations:1/sec
227/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:90
600
GUI GDI count:13
103
GUI USER count:6
49

BehaviorsProcess properties

Integrety level:System
Platform:64-bit
Command lines:
  • C:\Windows\System32\nvvsvc.exe
  • C:\Windows\System32\nvvsvc.exe -session -first
Owner:User
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:0.00072925%
0.272967%
Kernel CPU:0.00062748%
0.107585%
User CPU:0.00010176%
0.165382%
CPU cycles:104,261/sec
5,741,424/sec
Context switches:3/sec
79/sec
Memory:392 KB
1.16 MB
nvsvc64.dll (NVIDIA Driver Helper Service, Version 187.66 by NVIDIA)
Total CPU:0.00016963%
Kernel CPU:0.00010178%
User CPU:0.00006785%
CPU cycles:156,989/sec
Context switches:6/sec
Memory:1020 KB
RPCRT4.dll
Total CPU:0.00003395%
Kernel CPU:0.00003395%
User CPU:0.00000000%
CPU cycles:8/sec
Memory:1.26 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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