Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

1.1.7.1 90.91%
1.1.6.0 9.09%

Relationships

Parent process
Related files

PE structurePE file structure

Show functions
Import table
advapi32.dll
RegEnumValueW, OpenProcessToken, GetTokenInformation, DuplicateTokenEx, AllocateAndInitializeSid, EqualSid, CreateProcessAsUserW, LookupPrivilegeValueW, AdjustTokenPrivileges, RegisterEventSourceW, ReportEventW, DeregisterEventSource, RegDeleteKeyW, RegEnumKeyExW, CreateWellKnownSid, InitializeAcl, AddAccessAllowedAce, InitializeSecurityDescriptor, GetSecurityDescriptorControl, SetServiceStatus, ControlService, StartServiceW, DeleteService, OpenSCManagerW, OpenServiceW, StartServiceCtrlDispatcherW, ChangeServiceConfig2W, RegisterServiceCtrlHandlerExW, CreateServiceW, CloseServiceHandle, RegDeleteValueW, RegCloseKey, RegCreateKeyExW, RegOpenKeyExW, RegQueryValueExW, RegSetValueExW, LookupPrivilegeValueA, GetKernelObjectSecurity, SetKernelObjectSecurity, IsValidSecurityDescriptor, GetSecurityDescriptorDacl, IsValidAcl, GetSecurityDescriptorSacl, GetSecurityDescriptorOwner, IsValidSid, GetSecurityDescriptorGroup, SetFileSecurityW, SetSecurityDescriptorDacl
dbghelp.dll
MiniDumpWriteDump
kernel32.dll
MoveFileA, GetCurrentDirectoryA, DeleteFileA, CreateDirectoryA, CloseHandle, Sleep, InterlockedDecrement, FindResourceExW, FindResourceW, SizeofResource, LockResource, LoadResource, GetTempPathW, GetTempFileNameW, FindFirstFileW, FindNextFileW, FindClose, RemoveDirectoryW, GetPrivateProfileStringW, GetFullPathNameW, GetPrivateProfileSectionNamesW, WritePrivateProfileStringW, GlobalAlloc, GlobalFree, GetVersionExW, GetCurrentProcess, GetLastError, TerminateProcess, CreateProcessW, GetExitCodeProcess, WaitForMultipleObjects, WaitForSingleObject, MultiByteToWideChar, WideCharToMultiByte, ExpandEnvironmentStringsW, EnterCriticalSection, GetLocalTime, LeaveCriticalSection, InitializeCriticalSection, DeleteCriticalSection, OutputDebugStringW, WriteConsoleW, GetStdHandle, CreateFileW, WriteFile, SetFilePointer, GetCurrentDirectoryW, SetCurrentDirectoryW, DeleteFileW, GetCurrentThreadId, GetCurrentProcessId, SetUnhandledExceptionFilter, CreateThread, GetFileSize, ReadFile, lstrlenA, GetTickCount, HeapDestroy, HeapAlloc, HeapFree, HeapReAlloc, HeapSize, GetProcessHeap, RaiseException, GetVersionExA, InterlockedExchange, GetACP, GetLocaleInfoA, GetThreadLocale, UnhandledExceptionFilter, IsDebuggerPresent, RtlUnwind, GetCPInfo, InterlockedIncrement, GetOEMCP, IsValidCodePage, GetModuleHandleA, GetProcAddress, TlsGetValue, TlsAlloc, TlsSetValue, TlsFree, SetLastError, ExitProcess, GetModuleFileNameA, FreeEnvironmentStringsA, GetEnvironmentStrings, FreeEnvironmentStringsW, GetEnvironmentStringsW, GetCommandLineA, GetCommandLineW, SetHandleCount, GetFileType, GetStartupInfoA, HeapCreate, VirtualFree, QueryPerformanceCounter, GetSystemTimeAsFileTime, VirtualAlloc, LCMapStringA, LCMapStringW, GetStringTypeA, GetStringTypeW, GetUserDefaultLCID, EnumSystemLocalesA, IsValidLocale, LoadLibraryA, GetConsoleCP, GetConsoleMode, FlushFileBuffers, GetTimeZoneInformation, GetLocaleInfoW, SetStdHandle, WriteConsoleA, GetConsoleOutputCP, CreateFileA, CompareStringA, CompareStringW, SetEnvironmentVariableA, lstrcpyA, GlobalLock, GlobalUnlock, FindFirstFileA, FindNextFileA, GetVersion, LocalFileTimeToFileTime, FileTimeToSystemTime, FileTimeToLocalFileTime, SetEndOfFile, SetFileTime, GetDriveTypeA, GetVolumeInformationA, GetFullPathNameA, DosDateTimeToFileTime, SetFileAttributesA, GetFileAttributesA, GetFileTime, SetVolumeLabelA, ReleaseMutex, CreateMutexA, lstrcpynA, lstrcmpiA, CopyFileW, GetModuleFileNameW, SystemTimeToFileTime, lstrcmpiW, SetEnvironmentVariableW
ole32.dll
CoInitializeSecurity, CoUninitialize, CoCreateInstance, CoSetProxyBlanket, OleRun, CoInitialize
shell32.dll
SHCreateDirectoryExW
shlwapi.dll
PathFileExistsW
user32.dll
TranslateMessage, SendMessageW, TranslateAcceleratorW, GetMessageW, UnregisterClassA, OemToCharA, DispatchMessageW, CharToOemA
userenv.dll
DestroyEnvironmentBlock, CreateEnvironmentBlock
wininet.dll
InternetReadFile, InternetOpenUrlW, InternetCloseHandle, InternetOpenW, HttpQueryInfoW
wtsapi32.dll
WTSEnumerateSessionsW, WTSQueryUserToken, WTSFreeMemory

WCUService.exe

Splashtop Connect Firefox Software Updater by Splashtop Inc. (Signed)

Remove WCUService.exe
Version:   1.1.7.1
MD5:   e47e66538692b1cfd6cc8021546fcc83
SHA1:   296efa51d46a0ba7ec049cecd52bbcd508796ff4
SHA256:   ef8eb285d815437b1e6a2a78ae4c2fc751c77acea4eb626e092d8e6012d725ef

Overview

wcuservice.exe runs as a service under the name WCUService_STC_FF (WCUService_STC_FF) within the local user context. The file is digitally signed by Splashtop Inc. which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:wcuservice.exe
Publisher:Splashtop Inc.
Product name:Splashtop Connect Firefox Software Updater
Description:Splashtop Connect Firefox Software Updater Service
Typical file path:C:\Program Files\splashtop\splashtop connect firefox software updater\wcuservice.exe
File version:1.1.7.1
Product version:1.1
Size:481.82 KB (493,384 bytes)
Certificate
Issued to:Splashtop Inc.
Authority (CA):VeriSign
Digital DNA
PE subsystem:Windows Console
File packed:No
.NET CLR:No
More details

BehaviorsBehaviors

Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • WCUService_STC_FF
  • 'WCUService_STC_FF' (Splashtop Connect Firefox Software Updater Service)

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00072268%
0.028634%
Kernel CPU:0.00023604%
0.013761%
User CPU:0.00048663%
0.014873%
Kernel CPU time:31,203 ms/min
100,923,805ms/min
CPU cycles:755/sec
17,470,203/sec
Memory
Private memory:1.49 MB
21.59 MB
Private (maximum):3.7 MB
Private (minimum):3.28 MB
Non-paged memory:1.49 MB
21.59 MB
Virtual memory:40.63 MB
140.96 MB
Virtual memory (peak):43.69 MB
169.69 MB
Working set:3.35 MB
18.61 MB
Working set (peak):3.71 MB
37.95 MB
Page faults:1,070/min
2,039/min
I/O
I/O other transfer:0 Bytes/sec
448.09 KB/min
I/O other operations:1/sec
1,671/min
Resource allocations
Threads:3
12
Handles:55
600
GUI GDI count:5
103
GUI USER count:1
49

BehaviorsProcess properties

Integrety level:System
Platform:64-bit
Command line:"C:\Program Files\splashtop\splashtop connect firefox software updater\wcuservice.exe"
Owner:User
Windows Service
Service name:WCUService_STC_FF
Display name:WCUService_STC_FF
Description:“Splashtop Connect software updater enables updates and enhancements to the Splashtop Connect browser extension.”
Type:Win32OwnProcess
Parent process:services.exe (Services and Controller app by Microsoft)

ResourcesThreads

Averages
 
advapi32.dll (Advanced Windows 32 Base API by Microsoft)
Total CPU:0.00240975%
0.272967%
Kernel CPU:0.00000000%
0.107585%
User CPU:0.00240975%
0.165382%
Memory:620 KB
1.16 MB
WCUService.exe (main module)
Total CPU:0.00121850%
Kernel CPU:0.00120473%
User CPU:0.00001376%
CPU cycles:198/sec
Memory:484 KB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 45.45%
Windows 7 Ultimate 27.27%
Windows 7 Professional 18.18%
Microsoft Windows XP 9.09%

Distribution by countryDistribution by country

Egypt installs about 36.36% of Splashtop Connect Firefox Software Updater.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
GIGABYTE 55.56%
Hewlett-Packard 22.22%
Dell 22.22%
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