Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

4.6.0.0 46.15%
4.6.0.0 30.77%
4.5.0.15 15.38%
4.5.0.15 7.69%

Relationships


PE structurePE file structure

Show functions
Import table
advapi32.dll
RegOpenKeyExW, RegCloseKey, RegFlushKey, RegQueryValueExW, RegSetValueExW, RegEnumKeyExW, RegEnumValueW, RegQueryInfoKeyW, RegDeleteKeyW, RegDeleteValueW, GetTokenInformation, OpenProcessToken, RegCreateKeyExW, RegEnumKeyExA, RegOpenKeyExA, RegCreateKeyExA, RegQueryInfoKeyA, RegEnumValueA, RegDeleteKeyA, RegQueryValueExA, RegDeleteValueA, RegSetValueExA
kernel32.dll
TlsAlloc, GetCurrentThread, TerminateThread, SetThreadPriority, TlsSetValue, ResumeThread, GetThreadPriority, WaitForMultipleObjects, DuplicateHandle, GetCurrentProcess, TlsGetValue, ResetEvent, GetLocalTime, GetLocaleInfoW, GetUserDefaultLCID, GetDateFormatW, GetTimeFormatW, WideCharToMultiByte, CompareStringW, MultiByteToWideChar, ReleaseSemaphore, CreateSemaphoreW, CreatePipe, TerminateProcess, GetExitCodeProcess, SetFilePointer, CreateFileW, WriteFile, GetStdHandle, ReadFile, PeekNamedPipe, CreateProcessW, GetFileType, SetCurrentDirectoryW, SystemTimeToTzSpecificLocalTime, FileTimeToSystemTime, GetProcAddress, LoadLibraryW, GetFileInformationByHandle, FindClose, FindFirstFileW, GetFileAttributesExW, SetFilePointerEx, Sleep, GetFullPathNameW, DeleteFileW, CopyFileW, MoveFileW, CreateDirectoryW, RemoveDirectoryW, GetFileAttributesW, GetTempPathW, DeviceIoControl, SetEndOfFile, GetFileTime, GetLogicalDrives, SetErrorMode, MapViewOfFile, CreateFileMappingW, UnmapViewOfFile, FindNextFileW, FindCloseChangeNotification, FindFirstChangeNotificationW, FindNextChangeNotification, GetOverlappedResult, FreeLibrary, LoadLibraryExW, GetModuleFileNameW, GetCurrentProcessId, GetCommandLineW, WaitForSingleObjectEx, InitializeCriticalSection, DeleteCriticalSection, EnterCriticalSection, LeaveCriticalSection, GetModuleHandleW, OutputDebugStringW, OpenFileMappingW, VirtualQuery, GetTickCount, DisableThreadLibraryCalls, IsDebuggerPresent, SetUnhandledExceptionFilter, UnhandledExceptionFilter, InterlockedCompareExchange, InterlockedExchange, GetSystemTimeAsFileTime, SwitchToThread, GetSystemInfo, GetCurrentThreadId, TlsFree, CreateEventW, SetEvent, WaitForSingleObject, CloseHandle, GetVersionExW, GetLastError, FormatMessageW, LocalFree, GetCurrentDirectoryW, QueryPerformanceCounter, GetLocaleInfoA, OutputDebugStringA, GetDateFormatA, GetTimeFormatA, CompareStringA, CreateSemaphoreA, CreateFileA, CreateProcessA, LoadLibraryA, GetFullPathNameA, GetFileAttributesExA, DeleteFileA, CopyFileA, MoveFileA, CreateDirectoryA, GetFileAttributesA, SetCurrentDirectoryA, GetCurrentDirectoryA, GetTempPathA, SystemTimeToFileTime, CreateFileMappingA, FindNextFileA, FindFirstFileA, FindFirstChangeNotificationA, GetModuleFileNameA, GetCommandLineA, OpenFileMappingA, CreateEventA, FormatMessageA, GetVersionExA, RemoveDirectoryA
msvcp90.dll
DllMain
msvcr90.dll
DllMain
ole32.dll
CoUninitialize, CoCreateGuid, CoInitialize, CoCreateInstance
user32.dll
KillTimer, PostMessageW, GetWindowThreadProcessId, DefWindowProcW, GetQueueStatus, GetWindowLongW, SetWindowLongW, CreateWindowExW, RegisterClassW, UnregisterClassW, DestroyWindow, DispatchMessageW, TranslateMessage, MsgWaitForMultipleObjectsEx, CharNextExA, PostThreadMessageW, EnumWindows, PeekMessageW, GetMessageW, SetTimer, UnregisterClassA, PostMessageA, GetMessageA, GetWindowLongA, RegisterClassA, CreateWindowExA, SetWindowLongA, PeekMessageA, DispatchMessageA
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 Logitech Inc (Signed)

Remove QtCore4.dll
Version:   4.6.0.0
MD5:   a1ee8e068200f5c133958e91550b88c8
SHA1:   93ec851e21f5a0b50ef25df24e00afcb57ef07ae
SHA256:   7e3c1bf2c7ea8309eef0a967f7855767cf55e5eafefc3c31283291a593ed249f

Overview

qtcore4.dll is loaded as dynamic link library that runs in the context of a process. The file is digitally signed by Logitech 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\lws\webcam software\qtcore4.dll
File version:4.6.0.0
Size:2.04 MB (2,143,576 bytes)
Certificate
Issued to:Logitech Inc
Authority (CA):VeriSign
Effective date:Monday, October 5, 2009
Expiration date:Wednesday, October 19, 2011
Digital DNA
PE subsystem:Windows GUI
File packed:No
Code language:Microsoft Visual C++ 9.0
.NET CLR:No
More details

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Microsoft Windows XP 23.08%
Windows 7 Ultimate 15.38%
Windows 7 Professional 15.38%
Windows 7 Home Premium 15.38%
Windows Vista Home Premium 15.38%
Windows Vista Home Basic 7.69%
Windows Vista Business 7.69%

Distribution by countryDistribution by country

United States installs about 53.85% of Qt4.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Hewlett-Packard 37.50%
Dell 25.00%
Acer 12.50%
GIGABYTE 12.50%
American Megatrends 12.50%
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