Should I block it?

No, this file is 100% safe to run.

Relationships


PE structurePE file structure

Show functions
Import table
advapi32.dll
RegEnumKeyExA, RegOpenKeyExA, RegCreateKeyExW, RegCreateKeyExA, RegQueryInfoKeyW, RegQueryInfoKeyA, RegEnumValueW, RegEnumKeyExW, RegEnumValueA, RegCloseKey, RegDeleteKeyW, RegDeleteKeyA, RegQueryValueExW, RegQueryValueExA, RegDeleteValueW, RegDeleteValueA, RegSetValueExW, RegSetValueExA, RegFlushKey, RegOpenKeyExW
kernel32.dll
SwitchToThread, Sleep, GetThreadPriority, SetThreadPriority, ResumeThread, TerminateThread, ResetEvent, GetLocalTime, GetLocaleInfoW, GetLocaleInfoA, OutputDebugStringA, GetUserDefaultLCID, GetDateFormatW, GetDateFormatA, GetTimeFormatW, GetTimeFormatA, WideCharToMultiByte, MultiByteToWideChar, CompareStringW, CompareStringA, CreateSemaphoreW, CreateSemaphoreA, ReleaseSemaphore, CreatePipe, CreateFileW, CreateFileA, SetFilePointer, CreateProcessW, CreateProcessA, PeekNamedPipe, ReadFile, GetStdHandle, WriteFile, TerminateProcess, GetExitCodeProcess, LoadLibraryW, GetProcAddress, FreeLibrary, LoadLibraryA, GetFullPathNameA, GetFullPathNameW, GetFileAttributesExW, GetFileAttributesExA, GetFileInformationByHandle, GetFileType, DeleteFileW, DeleteFileA, CopyFileW, CopyFileA, MoveFileW, MoveFileA, CreateDirectoryW, CreateDirectoryA, RemoveDirectoryW, GetSystemInfo, GetFileAttributesW, GetFileAttributesA, SetCurrentDirectoryW, SetCurrentDirectoryA, GetCurrentDirectoryW, GetCurrentDirectoryA, GetTempPathW, GetTempPathA, GetLogicalDrives, SetErrorMode, SetEndOfFile, SystemTimeToFileTime, FileTimeToSystemTime, SystemTimeToTzSpecificLocalTime, GetFileTime, CreateFileMappingW, CreateFileMappingA, MapViewOfFile, UnmapViewOfFile, FindNextFileW, FindClose, FindNextFileA, FindFirstFileW, FindFirstFileA, FindCloseChangeNotification, FindNextChangeNotification, FindFirstChangeNotificationW, FindFirstChangeNotificationA, GetOverlappedResult, LoadLibraryExW, GetModuleFileNameW, GetModuleFileNameA, GetCommandLineW, GetCommandLineA, GetCurrentProcessId, WaitForSingleObjectEx, InitializeCriticalSection, DeleteCriticalSection, EnterCriticalSection, LeaveCriticalSection, OutputDebugStringW, OpenFileMappingW, OpenFileMappingA, VirtualQuery, GetSystemTimeAsFileTime, GetTickCount, DisableThreadLibraryCalls, IsDebuggerPresent, SetUnhandledExceptionFilter, UnhandledExceptionFilter, InterlockedCompareExchange, InterlockedExchange, WaitForMultipleObjects, GetCurrentThreadId, GetCurrentThread, GetCurrentProcess, DuplicateHandle, TlsSetValue, TlsGetValue, TlsFree, TlsAlloc, SetEvent, WaitForSingleObject, QueryPerformanceCounter, CloseHandle, CreateEventW, CreateEventA, FormatMessageA, LocalFree, FormatMessageW, GetLastError, GetVersionExA, RemoveDirectoryA
msvcp90.dll
DllMain
msvcr90.dll
DllMain
ole32.dll
CoInitialize, CoUninitialize, CoCreateGuid, CoCreateInstance
user32.dll
UnregisterClassA, CharNextExA, PostMessageA, GetMessageW, GetMessageA, GetWindowLongA, KillTimer, DefWindowProcW, RegisterClassA, CreateWindowExA, SetWindowLongA, SetTimer, MsgWaitForMultipleObjectsEx, PeekMessageA, PeekMessageW, DispatchMessageA, DestroyWindow, PostThreadMessageW, EnumWindows, PostMessageW, GetWindowThreadProcessId, TranslateMessage, DispatchMessageW
Export table
adler32
compress
compress2
crc32
deflate
deflateCopy
deflateEnd
deflateInit_
deflateInit2_
deflateParams
deflateReset
deflateSetDictionary
get_crc_table
gzclose
gzdopen
gzeof
gzerror
gzflush
gzgetc
gzgets
gzopen
gzprintf
gzputc
gzputs
gzread
gzrewind
gzseek
gzsetparams
gztell
gzwrite
inflate
inflateEnd
inflateInit_
inflateInit2_
inflateReset
inflateSetDictionary
inflateSync
inflateSyncPoint
qDumpObjectData
qt_addObject
qt_removeObject
qt_startup_hook
uncompress
zError
zlibVersion

QtCore4.dll

Qt4 by SightSpeed Inc. (Signed)

Remove QtCore4.dll
Version:   4.5.0.15
MD5:   f4c47a84f1e3cca8142b0634e14054ca
SHA1:   e1842e154c8e359789113fdcb14a6576a49dd931
SHA256:   d569835f8f1dcc2104ef3ea3c3bc0fcb0c8dcf008ac97394921057d5feedc77a

Overview

qtcore4.dll is loaded as dynamic link library that runs in the context of a process. It is installed with a couple of know programs including Logitech Vid HD published by Logitech Inc., Logitech Vid HD from Logitech Inc. and Logitech Vid HD by Logitech Inc.. The file is digitally signed by SightSpeed Inc. which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:qtcore4.dll
Publisher:Nokia Corporation and/or its subsidiary(-ies)
Product name:Qt4
Description:C++ application development framework.
Typical file path:C:\Program Files\logitech\vid hd\qtcore4.dll
File version:4.5.0.15
Size:2.04 MB (2,141,008 bytes)
Certificate
Issued to:SightSpeed Inc.
Authority (CA):VeriSign
Effective date:Wednesday, May 7, 2008
Expiration date:Sunday, June 5, 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
Logicool Co. Ltd.
1% remove
Logitech Inc.
3% remove
Logitech Vid HD is the fast and easy way to make HD video calls between Macs and PCs and living rooms TVs using Logitech Revue. Logitech Vid HD supports High Definition video calling with up to 720p resolution on qualified systems. Logitech Vid HD supports most USB cameras. Logitech Vid HD is free for anyone with any Logitech webcam or any other manufacturers webcam, whether that webcam is brand new, or one youve had for a while. As Log...

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 44.44%
Windows Vista Home Premium 22.22%
Windows 7 Ultimate 11.11%
Microsoft Windows XP 11.11%
Windows 7 Professional 11.11%

Distribution by countryDistribution by country

United States installs about 77.78% of Qt4.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Toshiba 44.44%
Dell 22.22%
Sony 22.22%
Acer 11.11%
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