Should I block it?

No, this file is 100% safe to run.

Additional versions

14.6.22.1	40.38%
14.6.22.1	5.77%
12.4.67.0	13.46%
12.4.55.0	1.92%
12.4.55.0	1.92%
11.10.13.1	5.77%
11.10.11.1	5.77%
11.10.11.1	1.92%
10.11.15.0	19.23%
10.11.15.0	1.92%
10.10.5.1	1.92%

Relationships

PE file structure

Show functions

Import table

advapi32.dll

CryptAcquireContextW, CryptGetHashParam, RegQueryValueExW, RegOpenKeyExW, RegCloseKey, RegEnumValueW, ConvertStringSecurityDescriptorToSecurityDescriptorA, RegQueryInfoKeyW, RegEnumKeyExW, CryptHashData, CryptDestroyHash, CryptCreateHash, RegisterEventSourceW, DeregisterEventSource, ReportEventW, RegDeleteValueW, RegSetValueExW, RegCreateKeyExW, SetEntriesInAclW, SetSecurityDescriptorDacl, ConvertStringSidToSidW, InitializeSecurityDescriptor, CryptReleaseContext

crypt32.dll

CryptMsgGetParam, CertCloseStore, CertFindCertificateInStore, CertFreeCertificateContext, CertGetNameStringW, CryptQueryObject, CryptMsgClose

iphlpapi.dll

IcmpCreateFile, IcmpSendEcho, IcmpCloseHandle

kernel32.dll

DllMain

ole32.dll

CoCreateInstance, CoInitialize, CoUninitialize, CoCreateGuid, StringFromGUID2, CoSetProxyBlanket

setupapi.dll

SetupDiGetDeviceRegistryPropertyW, SetupDiDestroyDeviceInfoList, SetupDiEnumDeviceInfo, SetupDiGetClassDevsW, SetupDiSetDeviceInstallParamsW, SetupDiGetDriverInstallParamsW, SetupDiEnumDriverInfoW, SetupDiGetDeviceInstallParamsW, SetupDiDestroyDriverInfoList, SetupDiBuildDriverInfoList, SetupDiEnumDeviceInterfaces, SetupDiGetDeviceInterfaceDetailW

shell32.dll

SHGetFolderPathW, CommandLineToArgvW

shlwapi.dll

PathCombineW

user32.dll

EnumDisplaySettingsW, EnumDisplayDevicesW, GetSystemMetrics, EnumDisplaySettingsExW

version.dll

GetFileVersionInfoA, GetFileVersionInfoSizeW, VerQueryValueW, GetFileVersionInfoW, GetFileVersionInfoSizeA

winhttp.dll

WinHttpConnect, WinHttpCloseHandle, WinHttpAddRequestHeaders, WinHttpSetOption, WinHttpReceiveResponse, WinHttpReadData, WinHttpQueryHeaders, WinHttpCrackUrl, WinHttpQueryDataAvailable, WinHttpOpenRequest, WinHttpSendRequest, WinHttpOpen

wintrust.dll

WinVerifyTrust

ws2_32.dll

WSAWaitForMultipleEvents, WSACloseEvent, WSAResetEvent, WSACreateEvent, WSAEventSelect, WSAEnumNetworkEvents

nvbackend.exe

NVIDIA GeForce Experience by NVIDIA Corporation (Signed)

Remove nvbackend.exe

Version:	11.10.11.1
MD5:	ee316c8d7c1b99412f2c8f1c64268182
SHA1:	43cdeab83f2d6384a3d2b65cc3905f8a471aa882

Overview

nvbackend.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 NVIDIA Corporation which was issued by the VeriSign certificate authority (CA).

Details

File name:	nvbackend.exe
Publisher:	NVIDIA Corporation
Product name:	NVIDIA GeForce Experience
Description:	NVIDIA GeForce Experience Backend
Typical file path:	C:\Program Files\nvidia corporation\update core\nvbackend.exe
Original name:	backend.exe
File version:	11.10.11.1
Size:	2.13 MB (2,234,144 bytes)
Build date:	1/20/2014 7:32 PM
Certificate
Issued to:	NVIDIA Corporation
Authority (CA):	VeriSign
Effective date:	Wednesday, February 9, 2011
Expiration date:	Sunday, February 9, 2014
Digital DNA
PE subsystem:	Windows GUI
File packed:	No
.NET CLR:	No

More details

Behaviors

Startup files (all users) run

Runs under the registry key 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'

'NvBackend' → "C:\Program Files\NVIDIA Corporation\Update Core\NvBackend.exe"

Network connections

[UDP] listens on port 64088

Resource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)

Averages

CPU
Total CPU:	0.00024882%	0.028634%
Kernel CPU:	0.00012735%	0.013761%
User CPU:	0.00012147%	0.014873%
Kernel CPU time:	16,567 ms/min	100,923,805ms/min
CPU cycles:	3,904,919/sec	17,470,203/sec
Context switches:	3/sec	284/sec
Memory
Private memory:	19.57 MB	21.59 MB
Private (maximum):	22.5 MB
Private (minimum):	960 KB
Non-paged memory:	19.57 MB	21.59 MB
Virtual memory:	175.07 MB	140.96 MB
Virtual memory (peak):	365.88 MB	169.69 MB
Working set:	3 MB	18.61 MB
Working set (peak):	213.38 MB	37.95 MB
Page faults:	2,313,946/min	2,039/min
I/O
I/O read transfer:	1.71 KB/sec	1.02 MB/min
I/O read operations:	1/sec	343/min
I/O write transfer:	1.54 KB/sec	274.99 KB/min
I/O write operations:	1/sec	227/min
I/O other transfer:	9.93 KB/sec	448.09 KB/min
I/O other operations:	981/sec	1,671/min
Resource allocations
Threads:	20	12
Handles:	438	600
GUI GDI count:	12	103
GUI GDI peak:	14	142
GUI USER count:	8	49
GUI USER peak:	11	71

Process properties

Integrety level:	High
Platform:	64-bit
Command line:	"C:\Program Files\nvidia corporation\update core\nvbackend.exe"
Owner:	User

Threads

Averages

NvBackend.exe (main module)
Total CPU:	0.00356157%	0.272967%
Kernel CPU:	0.00318281%	0.107585%
User CPU:	0.00037876%	0.165382%
CPU cycles:	766,653/sec	5,741,424/sec
Context switches:	1/sec	79/sec
Memory:	2.16 MB	1.16 MB
ntdll.dll
Total CPU:	0.00008520%
Kernel CPU:	0.00005680%
User CPU:	0.00002840%
CPU cycles:	2,624/sec
Memory:	1.66 MB

Common loaded modules

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

ontology.dll (NVIDIA GeForce Experience Application Ontology by NVIDIA Corporation)

Distribution by Windows OS

OS version	distribution
Windows 7 Home Premium	31.37%
Windows 7 Ultimate	19.61%
Windows 8.1	13.73%
Windows 8.1 Pro	9.80%
Windows 7 Professional	7.84%
Windows 8 Enterprise N	3.92%
Windows 8.1 Single Language	3.92%
Windows 8 Single Language	3.92%
Windows 8.1 Pro with Media Center	1.96%
Windows 8 Pro	1.96%
Windows Vista Home Premium	1.96%

Distribution by country

United States installs about 41.18% of NVIDIA GeForce Experience.

Distribution by PC manufacturer

PC Manufacturer	distribution
ASUS	29.51%
Lenovo	29.51%
Acer	13.11%
Hewlett-Packard	11.48%
Intel	6.56%
Alienware	4.92%
Dell	3.28%
GIGABYTE	1.64%

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