Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

14.0.7101.5000 20.77%
14.0.6117.5000 2.82%
14.0.6114.5003 71.79%
14.0.6009.1000 0.26%
14.0.4750.1000 4.36%

Relationships

Parent process
Related files

PE structurePE file structure
Show functions
Import table
advapi32.dll
RegCreateKeyExW, RegOpenKeyExW, ConvertSidToStringSidA, IsValidSid, CheckTokenMembership, ConvertStringSecurityDescriptorToSecurityDescriptorW, GetSecurityDescriptorDacl, InitializeSecurityDescriptor, SetSecurityDescriptorDacl, FreeSid, OpenProcessToken, GetTokenInformation, CopySid, AllocateAndInitializeSid, InitializeAcl, AddAccessDeniedAce, AddAccessAllowedAce, GetLengthSid, DeregisterEventSource, RegisterEventSourceW, ReportEventW, RegOpenKeyExA, RegEnumKeyW, RegQueryInfoKeyW, TraceEvent, RegisterTraceGuidsA, GetTraceLoggerHandle, GetTraceEnableLevel, GetTraceEnableFlags, RegQueryValueExA, RegSetValueExW, RegQueryValueExW, RegCloseKey, StartServiceCtrlDispatcherW, OpenThreadToken
cvhshared.dll
RunCVHService
dbghelp.dll
SymGetSymFromAddr64, SymInitialize, SymCleanup, SymGetLineFromAddr64
gdi32.dll
CreateSolidBrush, CreateDCA, DeleteObject, DeleteDC, GetDeviceCaps
kernel32.dll
GlobalMemoryStatus, ReleaseSemaphore, IsProcessorFeaturePresent, IsDebuggerPresent, SetUnhandledExceptionFilter, QueryPerformanceCounter, InterlockedExchange, InterlockedCompareExchange, GetStartupInfoW, UnhandledExceptionFilter, SetFilePointerEx, lstrlenW, SystemTimeToTzSpecificLocalTime, FormatMessageW, SetFilePointer, lstrlenA, VirtualProtect, GetLastError, TlsSetValue, VirtualFree, TlsGetValue, InitializeCriticalSectionAndSpinCount, TlsAlloc, GetSystemDefaultLCID, TlsFree, DeleteCriticalSection, EnterCriticalSection, LeaveCriticalSection, IsValidLocale, GetModuleHandleA, GetModuleHandleW, GetProcAddress, GetFileAttributesW, GetVersion, GetModuleFileNameW, RaiseException, HeapFree, HeapAlloc, GetProcessHeap, VirtualAlloc, HeapSetInformation, HeapCreate, HeapDestroy, HeapReAlloc, HeapSize, HeapUnlock, HeapLock, SetLastError, GetVersionExA, GetModuleHandleExW, RtlCaptureStackBackTrace, WaitForSingleObject, ReleaseMutex, CloseHandle, GetSystemTimeAsFileTime, GetTickCount, GetLocalTime, WriteFile, FindFirstFileW, FindClose, SetFileAttributesW, DeleteFileW, InitializeCriticalSection, GetCurrentThreadId, CreateFileW, ExpandEnvironmentStringsW, GetProcessTimes, GetCurrentProcess, GlobalFree, LoadLibraryW, OutputDebugStringA, CreateMutexA, OpenMutexA, CreateSemaphoreA, GetShortPathNameA, GetModuleFileNameA, GlobalAlloc, GetSystemDirectoryW, GetTimeZoneInformation, GetDiskFreeSpaceExW, IsWow64Process, GetSystemInfo, GetUserDefaultLCID, FreeLibrary, GetVersionExW, TerminateProcess, GetCurrentProcessId, LocalFree, LocalAlloc, Sleep, GetTempPathW, CreateDirectoryW, GetFileType, LoadLibraryExW, GetCurrentThread, IsDBCSLeadByte, CompareStringA, GetStringTypeExW, GetSystemTime, WideCharToMultiByte, IsValidCodePage, CompareStringW, MultiByteToWideChar
msvcp90.dll
DllMain
msvcr90.dll
DllMain
rpcrt4.dll
UuidCreate
secur32.dll
GetUserNameExW
shell32.dll
SHCreateDirectoryExW, SHGetSpecialFolderPathW
user32.dll
GetSystemMetrics, SystemParametersInfoA, GetDC, ReleaseDC, GetMenuCheckMarkDimensions, GetMonitorInfoA, EnumDisplayMonitors, GetSysColor, GetKeyboardLayoutList, GetKeyboardLayout
version.dll
GetFileVersionInfoW, GetFileVersionInfoSizeW, VerQueryValueW

CVHSVC.exe

Microsoft Office 2010 by Microsoft Corporation (Signed)

Remove CVHSVC.exe
Version:   14.0.6117.5000
MD5:   ddac7684f4bc3f655ed31d8aa494e9ab
SHA1:   8266433d7ce9696907ffbd61cbe65d60fec8af40
SHA256:   6ae08b3e0544a4a07235befe2f18653bb03240039ccc1a1777fe5e342e057afc

What is CVHSVC.exe?

The Microsoft Office Client Virtualization Handler is part of the virtual click to run installation for Microsoft Office 2010.

Overview

cvhsvc.exe runs as a service under the name Client Virtualization Handler (cvhsvc) with extensive SYSTEM privileges (full administrator access). It is installed with a couple of know programs including Microsoft Office Click-to-Run 2010 published by Microsoft Corporation, Microsoft Office « Démarrer en un clic » 2010 from Microsoft Corporation and Microsoft Office « Démarrer en un clic » 2010 by Microsoft Corporation. The file is digitally signed by Microsoft Corporation.

DetailsDetails

File name:cvhsvc.exe
Publisher:Microsoft Corporation
Product name:Microsoft Office 2010
Description:Microsoft Office Client Virtualization Service
Typical file path:C:\Program Files\common files\microsoft shared\virtualization handler\cvhsvc.exe
File version:14.0.6117.5000
Size:803.34 KB (822,624 bytes)
Certificate
Issued to:Microsoft Corporation
Authority (CA):Microsoft Corporation
Expiration date:Tuesday, March 8, 2011
Digital DNA
PE subsystem:Windows GUI
File packed:No
Code language:Microsoft Visual C++ 9.0
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
HP CoolSense
 Hewlett-Packard
8% remove
“HP CoolSense Technology is a feature in some HP notebook computers that combines hardware, software, and mechanical design to dynamically manage the temperature of a notebook, and help keep you comfortable while using it. With CoolSense, in addition to the improved design of air flow through the case, you can adjust the computer for higher performance, cooler operation, or quieter operation. All three settings have their advantages and ...”
Microsoft Office Click-to-Run 2010
 Microsoft Corporation
12% remove
Office Click-to-Run is a new way for broadband customers to obtain Microsoft Office and to update Office 2010. Office Click-to-Run uses the virtualization and streaming technologies of Microsoft.
Microsoft Office « Démarrer en un clic » 2010
 Microsoft Corporation
12% remove
“Office « Démarrer en un clic » fait appel à la technologie d’émission en continu et de virtualisation de Microsoft. Celle-ci permet de réduire sensiblement la durée de téléchargement. Vous pourrez ainsi découvrir les nouvelles fonctionnalités de Microsoft Office 2010 plus rapidement. Pour le moment, vous ne pouvez utiliser que Microsoft Office Famille et Étudiant 2010, Microsoft Office Famille et Petite Entreprise 2010 et Microsoft Offi...”
Microsoft Office Klick-und-Los 2010
 Microsoft Corporation
4% remove
“Klick-und-Los ist eine neue Technologie für die Bereitstellung und Aktualisierung von Microsoft Office für Kunden mit Breitbandverbindungen, der auf die Streaming- und Virtualisierungstechnologie von Microsoft aufsetzt. Im Folgenden finden Sie Informationen zu den Vorteilen von Klick-und-Los sowie Wissenswertes über eine Kompatibilitätslücke zwischen Klick-und-Los und einigen Lösungen zum Schutz vor Schadsoftware.”
Microsoft Office Clique-e-Use 2010
 Microsoft Corporation
11% remove
Office Click-to-Run is a new way for broadband customers to obtain Microsoft Office and to update Office 2010. Office Click-to-Run uses the virtualization and streaming technologies of Microsoft.
Microsoft Office Klik-en-Klaar 2010
 Microsoft Corporation
4% remove
“Microsoft Office Click-to-Run uses Microsoft streaming and virtualization technology to significantly reduce the time that is required for you to download and begin experiencing the new features of Microsoft Office 2010. At this time, only Microsoft Office Home and Student 2010, Microsoft Office Home and Business 2010, and Microsoft Office Starter 2010 are available by using Office Click-to-Run, which include the following Office 2010 p...”
Microsoft Office a portata di clic 2010
 Microsoft Corporation
5% remove
“Microsoft Office a portata di clic è un nuovo sistema di distribuzione del software ottimizzato per gli utenti privati che dispongono di connessioni a banda larga (almeno 1 Mbps). Office a portata di clic non è un nuovo prodotto Microsoft Office, ma un nuovo sistema per distribuire e aggiornare i programmi già noti. È disponibile per le edizioni Microsoft Office Home and Student 2010 e Microsoft Office Home and Business 2010, è supporta...”
Microsoft Office Starter 2010 - Português Brasil
 Microsoft Corporation
7% remove
Office Starter consists of Word Starter and Excel Starter only, reduced functionality versions of Microsoft Word and Excel with advertising. It does not contain Microsoft PowerPoint, OneNote, or Outlook. Office Starter is only available as preloaded software on select new PCs.
Hacer clic y ejecutar de Microsoft Office 2010
 Microsoft Corporation
8% remove
“Hacer clic y ejecutar es una nueva forma de entregar y actualizar Microsoft Office para los clientes de banda ancha. Hacer clic y ejecutar utiliza la virtualización de Microsoft y tecnologías de transmisión por secuencias. Para Microsoft Office 2010, Microsoft ofrece una nueva manera de descargar e instalar sus productos de Office 2010. Esta tecnología se denomina Hacer clic y ejecutar y en este artículo se describe dicha tecnología y c...”
Microsoft Office Klikk og bruk 2010
 Microsoft Corporation
7% remove
Microsoft Office Starter 2010 - Français
 Microsoft Corporation
1% remove
Office Starter consists of Word Starter and Excel Starter only, reduced functionality versions of Microsoft Word and Excel with advertising. It does not contain Microsoft PowerPoint, OneNote, or Outlook. Office Starter is only available as preloaded software on select new PCs.
Microsoft Office Starter 2010 - English
 Microsoft Corporation
6% remove
Office Starter consists of Word Starter and Excel Starter only, reduced functionality versions of Microsoft Word and Excel with advertising. It does not contain Microsoft PowerPoint, OneNote, or Outlook. Office Starter is only available as preloaded software on select new PCs.
Microsoft Office Home and Business 2010 - English
 Microsoft Corporation
6% remove
“Microsoft Office Home and Business 2010 brings together the roles of managing a business, running a household and helping with homework. Get the benefits of all the programs you need to be productive including Microsoft Outlook 2010--so you can tackle your busy day efficiently with powerful email, scheduling and social networking tools to keep your life and work in sync.”
Microsoft Office Klik og kør 2010
 Microsoft Corporation
4% remove
“Opdateringerne af Klik og kør-produkter skubbes automatisk til computeren, men det kan være nødvendigt at lukke Office-programmerne, før opdateringerne kan anvendes. Når opdateringerne er blevet hentet, men forhindres i at blive anvendt, modtager du en meddelelse i form af et lille pop op-vindue, der vises i meddelelsesområdet. De fleste opdateringer kræver ikke en internetforbindelse under hele opdateringsprocessen. Hvis en internetfor...”
Microsoft Office Starter 2010 - Deutsch
 Microsoft Corporation
2% remove
Office Starter consists of Word Starter and Excel Starter only, reduced functionality versions of Microsoft Word and Excel with advertising. It does not contain Microsoft PowerPoint, OneNote, or Outlook. Office Starter is only available as preloaded software on select new PCs.
Splash Lite
 Mirillis
5% remove

BehaviorsBehaviors

Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • 'cvhsvc' (Client Virtualization Handler)
  • cvhsvc

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00042764%
0.028634%
Kernel CPU:0.00027710%
0.013761%
User CPU:0.00015054%
0.014873%
Kernel CPU time:842,462 ms/min
100,923,805ms/min
CPU cycles:2,807/sec
17,470,203/sec
Memory
Private memory:7.42 MB
21.59 MB
Private (maximum):14.52 MB
Private (minimum):5.6 MB
Non-paged memory:7.42 MB
21.59 MB
Virtual memory:93.56 MB
140.96 MB
Virtual memory (peak):98.94 MB
169.69 MB
Working set:9.23 MB
18.61 MB
Working set (peak):14.79 MB
37.95 MB
Page faults:5,156/min
2,039/min
I/O
I/O read transfer:6 Bytes/sec
1.02 MB/min
I/O read operations:1/sec
343/min
I/O write transfer:0 Bytes/sec
274.99 KB/min
I/O write operations:1/sec
227/min
I/O other transfer:6 Bytes/sec
448.09 KB/min
I/O other operations:1/sec
1,671/min
Resource allocations
Threads:6
12
Handles:276
600

BehaviorsProcess properties

Integrety level:System
Platform:64-bit
Command line:"C:\Program Files\common files\microsoft shared\virtualization handler\cvhsvc.exe"
Owner:SYSTEM
Windows Service
Service name:cvhsvc
Display name:Client Virtualization Handler
Description:“Client Virtualization Handler Service (unlocalized description)”
Type:Win32OwnProcess
Parent process:services.exe (Services and Controller app by Microsoft)

ResourcesThreads

Averages
 
CVHSVC.EXE (main module)
Total CPU:0.00104899%
0.272967%
Kernel CPU:0.00066766%
0.107585%
User CPU:0.00038133%
0.165382%
CPU cycles:32,382/sec
5,741,424/sec
Memory:824 KB
1.16 MB
wow64.dll
Total CPU:0.00075979%
Kernel CPU:0.00037989%
User CPU:0.00037989%
CPU cycles:26,578/sec
Memory:252 KB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 77.50%
Windows 7 Home Basic 6.00%
Windows 7 Starter 4.00%
Windows 8 Pro 3.00%
Windows 7 Professional 3.00%
Windows 7 Ultimate 2.00%
Windows Vista Home Premium 1.50%
Windows Vista Ultimate 1.00%
Windows Vista Home Basic 1.00%
Microsoft Windows XP 1.00%

Distribution by countryDistribution by country

United States installs about 57.65% of Microsoft Office 2010.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 25.35%
Hewlett-Packard 20.42%
Toshiba 18.31%
Acer 10.21%
ASUS 7.75%
Sony 7.04%
Lenovo 3.52%
Samsung 2.82%
MSI 1.41%
Intel 1.41%
Alienware 0.70%
American Megatrends 0.70%
GIGABYTE 0.35%
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