Should I block it?

No, this file is 100% safe to run.

Relationships


PE structurePE file structure

Show functions
Import table
advapi32.dll
RegEnumValueA, RegEnumValueW, RegEnumKeyW, RegQueryValueExW, RegQueryInfoKeyW, RegSetValueExW, RegEnumKeyExW, RegOpenKeyExW, RegCreateKeyExW, RegCloseKey, RegDeleteValueW, RegDeleteKeyW, RegOpenKeyA
kernel32.dll
lstrcmpW, IsBadReadPtr, Sleep, InitializeCriticalSection, FindResourceW, SizeofResource, LockResource, LoadResource, FindResourceExW, GetModuleHandleW, GetModuleFileNameW, GetLastError, DeleteCriticalSection, LeaveCriticalSection, EnterCriticalSection, FreeLibrary, LoadLibraryExW, lstrcmpiW, GetProcAddress, RaiseException, SetThreadLocale, GetThreadLocale, GetCurrentProcessId, WaitForSingleObject, GetTempPathW, DuplicateHandle, GetCurrentProcess, OpenProcess, ResetEvent, WaitForMultipleObjectsEx, DebugBreak, QueryPerformanceFrequency, QueryPerformanceCounter, GetThreadTimes, SetThreadPriority, GetCurrentThread, CreateThread, GetVersion, WideCharToMultiByte, OutputDebugStringW, DeviceIoControl, IsBadWritePtr, SetFileTime, LocalFileTimeToFileTime, DosDateTimeToFileTime, SetFileAttributesW, DeleteFileW, CreateFileW, WriteFile, WaitForMultipleObjects, ReleaseMutex, CloseHandle, InterlockedIncrement, CreateMutexW, CreateEventW, lstrlenW, MultiByteToWideChar, lstrlenA, SetEvent, InterlockedDecrement, FlushFileBuffers, CreateFileA, GetStringTypeW, GetStringTypeA, GetLocaleInfoA, LoadLibraryA, InitializeCriticalSectionAndSpinCount, LoadLibraryW, GetConsoleOutputCP, WriteConsoleA, GetProcessHeap, SetEndOfFile, SetStdHandle, LCMapStringW, LCMapStringA, GetSystemTimeAsFileTime, GetTickCount, GetEnvironmentStringsW, FreeEnvironmentStringsW, GetEnvironmentStrings, FreeEnvironmentStringsA, GetStartupInfoA, SetHandleCount, RtlUnwind, HeapFree, HeapAlloc, ExitThread, GetCurrentThreadId, HeapReAlloc, GetCommandLineA, GetFileType, ReadFile, GetConsoleCP, GetConsoleMode, SetFilePointer, WriteConsoleW, GetStdHandle, GetModuleHandleA, TerminateProcess, UnhandledExceptionFilter, SetUnhandledExceptionFilter, IsDebuggerPresent, TlsGetValue, TlsAlloc, TlsSetValue, TlsFree, SetLastError, HeapCreate, HeapDestroy, VirtualFree, VirtualAlloc, ExitProcess, GetModuleFileNameA, HeapSize, GetCPInfo, GetACP, GetOEMCP, IsValidCodePage
ole32.dll
CoTaskMemRealloc, CoTaskMemAlloc, CLSIDFromString, CoTaskMemFree, CoCreateFreeThreadedMarshaler, StringFromGUID2, CoCreateInstance, CoMarshalInterThreadInterfaceInStream, CoGetInterfaceAndReleaseStream, CoInitializeEx, CoUninitialize
shell32.dll
SHGetFolderPathW
shlwapi.dll
PathFileExistsW, PathIsDirectoryW, PathAppendW, PathRemoveFileSpecW
user32.dll
RegisterWindowMessageW, CharNextW
Export table
DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer

MMSystem.dll

Logitech Camera Software by Logitech (Signed)

Remove MMSystem.dll
Version:   13.30.1379.0
MD5:   1d2d950bedda0c2c74e41dc3b4553ce0
SHA1:   41eda4e85b0400d3f1e4eb36128fb592371e23d5

Overview

mmsystem.dll is loaded as dynamic link library that runs in the context of a process. The file is digitally signed by Logitech which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:mmsystem.dll
Publisher:Logitech Inc.
Product name:Logitech Camera Software
Description:Video Special Effects Module.
Typical file path:C:\Program Files\common files\logishrd\lqcvfx\mmsystem.dll
File version:13.30.1379.0
Size:1.26 MB (1,323,032 bytes)
Certificate
Issued to:Logitech
Authority (CA):VeriSign
Effective date:Wednesday, April 27, 2011
Expiration date:Saturday, April 27, 2013
Digital DNA
PE subsystem:Windows GUI
File packed:No
.NET CLR:No
More details

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Starter 33.33%
Windows Vista Business 33.33%
Windows 7 Professional 33.33%

Distribution by countryDistribution by country

United States installs about 66.67% of Logitech Camera Software.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Samsung 100.00%
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