Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

3.2.9600.17029 (winblue_gdr.140219-1702) 4.00%
3.1.9600.16384 (winblue_rtm.130821-1623) 4.00%
2.0.9200.16384 (win8_rtm.120725-1247) 76.00%
2.0.9200.16384 (win8_rtm.120725-1247) 8.00%
2.0.8400.0 (winmain_win8rc.120518-1423) 4.00%
2.0.8400.0 (winmain_win8rc.120518-1423) 4.00%

Relationships


PE structurePE file structure

Show functions
Import table
advapi32.dll
RegCloseKey, RegQueryInfoKeyW, RegEnumKeyExW, RegOpenKeyExW, RegSetValueExW, RegCreateKeyExW, RegDeleteValueW, OpenProcessToken, DuplicateTokenEx, SetTokenInformation, CreateProcessAsUserW, RegQueryValueExW, StartServiceCtrlDispatcherW, RegisterEventSourceW, ReportEventW, DeregisterEventSource, SetServiceStatus, RegisterServiceCtrlHandlerW, OpenSCManagerW, OpenServiceW, CloseServiceHandle, CreateServiceW, ControlService, DeleteService, LookupPrivilegeValueW, AdjustTokenPrivileges
kernel32.dll
lstrcmpiW, RaiseException, LeaveCriticalSection, EnterCriticalSection, MultiByteToWideChar, SizeofResource, LoadResource, FindResourceExW, GetModuleFileNameW, InitializeCriticalSection, DeleteCriticalSection, GetCurrentProcess, WaitForSingleObject, CloseHandle, Sleep, GetFileAttributesW, SetEvent, CreateThread, WTSGetActiveConsoleSessionId, CreateEventW, InterlockedIncrement, InterlockedDecrement, GetCommandLineW, GetCurrentThreadId, CreateFileW, GetProcessHeap, SystemTimeToTzSpecificLocalTime, GetSystemTime, ExpandEnvironmentStringsW, CreateFileA, FlushFileBuffers, GetModuleHandleW, WriteConsoleA, GetConsoleOutputCP, SetStdHandle, SetFilePointer, GetConsoleMode, GetConsoleCP, TlsSetValue, TlsGetValue, TlsAlloc, LCMapStringA, LCMapStringW, GetStringTypeA, GetStringTypeW, GetLocaleInfoA, LoadLibraryExA, InitializeCriticalSectionAndSpinCount, GetCPInfo, GetOEMCP, GetACP, IsValidCodePage, HeapSize, HeapReAlloc, OutputDebugStringA, FreeEnvironmentStringsW, SetLastError, GetModuleHandleA, VirtualQuery, VirtualProtect, VirtualAlloc, GetSystemInfo, TerminateProcess, SetUnhandledExceptionFilter, UnhandledExceptionFilter, HeapFree, HeapAlloc, GetEnvironmentStringsW, GetTickCount, GetSystemTimeAsFileTime, GetCurrentProcessId, QueryPerformanceCounter, GetStartupInfoA, SetHandleCount, GetFileType, VirtualFree, HeapCreate, GetModuleFileNameA, WriteFile, GetStdHandle, ExitProcess, LoadLibraryExW, GetProcAddress, GetLastError, FreeLibrary, WriteConsoleW, WideCharToMultiByte, GetStartupInfoW, GetVersionExA, TlsFree
netapi32.dll
NetLocalGroupAddMembers, NetLocalGroupDelMembers
ntdll.dll
RtlInitUnicodeString, NtOpenEvent, RtlUnwind, NtDuplicateToken, NtQueryInformationToken
ole32.dll
CoTaskMemRealloc, CoTaskMemAlloc, CoTaskMemFree, CoInitializeEx, StringFromGUID2, CoCreateInstance, CoResumeClassObjects, CoRevokeClassObject, CoRegisterClassObject, CoSuspendClassObjects, PropVariantClear, CoUninitialize
sas.dll
SendSAS
shlwapi.dll
PathFindFileNameW, SHStrDupW
user32.dll
PostThreadMessageW, LoadStringW, SendMessageW, GetMessageW, CharUpperW, RegisterClassW, DefWindowProcW, SetWindowLongW, GetWindowLongW, DispatchMessageW, MessageBoxW, CreateWindowExW, UnregisterClassA, CharNextW, MsgWaitForMultipleObjects, PeekMessageW, TranslateMessage
userenv.dll
DestroyEnvironmentBlock, CreateEnvironmentBlock
wtsapi32.dll
WTSFreeMemory, WTSRegisterSessionNotification, WTSQuerySessionInformationW, WTSQueryUserToken, WTSDisconnectSession, WTSEnumerateSessionsW, WTSLogoffSession, WTSEnumerateProcessesExW, WTSUnRegisterSessionNotification

fussvc.exe

Microsoft Windows Kits 8.0 by Microsoft

Remove fussvc.exe
Version:   2.0.8400.0 (winmain_win8rc.120518-1423)
MD5:   f5705a48ac81842bb6c1689e365c2af4
SHA1:   296768633d5bd8df1289c961dbba0454d9a26db5

What is fussvc.exe?

Fast user switching is a feature on some modern multi-user operating systems such as Windows. It allows users to switch between user accounts on a single PC without quitting applications and logging out. Fast user switching in Windows is based on Remote Desktop Services technology.

Overview

fussvc.exe runs as a service under the name fussvc within the local user context. This version is installed on Windows 8.

DetailsDetails

File name:fussvc.exe
Publisher:Microsoft Corporation
Product name:Microsoft (R) Windows (R) Kits 8.0
Description:Fast User Switching Utility Service
Typical file path:C:\Program Files\windows kits\8.0\app certification kit\fussvc.exe
File version:2.0.8400.0 (winmain_win8rc.120518-1423)
Product version:2.0.8400.0
Size:136.5 KB (139,776 bytes)
Build date:5/18/2012 10:24 PM
Digital DNA
PE subsystem:Windows GUI
File packed:No
.NET CLR:No
More details

BehaviorsBehaviors

Service
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • fussvc

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Ultimate 36.00%
Windows 8 Pro 32.00%
Windows 7 Home Premium 16.00%
Windows 8.1 Pro 8.00%
Windows 8 Enterprise 4.00%
Windows 8 4.00%

Distribution by countryDistribution by country

United States installs about 50.00% of Microsoft (R) Windows (R) Kits 8.0.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 31.58%
Acer 21.05%
Lenovo 10.53%
ASUS 10.53%
Intel 10.53%
MSI 10.53%
Hewlett-Packard 5.26%
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