Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

2,2,35,002 12.50%
2,2,30,042 25.00%
2,2,28,007 12.50%
2,2,26,012 37.50%
2,2,22,002 12.50%

Relationships


PE structurePE file structure

Show functions
Import table
kernel32.dll
SetStdHandle, SetEnvironmentVariableA, CompareStringW, CompareStringA, GetLocaleInfoA, WriteConsoleA, GetStringTypeA, GetConsoleMode, GetConsoleCP, InitializeCriticalSection, VirtualAlloc, HeapReAlloc, RtlUnwind, GetConsoleOutputCP, WriteConsoleW, LoadLibraryA, GetCurrentProcess, GetLocalTime, CreateFileA, GetFileSize, SetFilePointer, OutputDebugStringA, WriteFile, FlushFileBuffers, CloseHandle, GetLastError, GetModuleHandleA, GetProcAddress, GetVersionExA, GetStringTypeW, LCMapStringW, MultiByteToWideChar, GetCurrentThreadId, GetCommandLineA, HeapFree, HeapAlloc, GetProcessHeap, GetCurrentProcessId, TerminateProcess, UnhandledExceptionFilter, SetUnhandledExceptionFilter, IsDebuggerPresent, TlsGetValue, TlsAlloc, TlsSetValue, TlsFree, InterlockedIncrement, SetLastError, InterlockedDecrement, Sleep, HeapSize, ExitProcess, SetHandleCount, GetStdHandle, GetFileType, GetStartupInfoA, DeleteCriticalSection, GetModuleFileNameA, FreeEnvironmentStringsA, GetEnvironmentStrings, FreeEnvironmentStringsW, WideCharToMultiByte, GetEnvironmentStringsW, HeapDestroy, HeapCreate, VirtualFree, QueryPerformanceCounter, GetTickCount, GetSystemTimeAsFileTime, EnterCriticalSection, LeaveCriticalSection, GetCPInfo, GetACP, GetOEMCP, IsValidCodePage, LCMapStringA
Export table
GetCardInfo
GetDriverInfo
GetI2CDelay
I2CDeviceIoControl
ReCalibrateDelay
RescanBus
ReSetI2CDelay
RestoreI2CDelay

null.dll

null Dynamic Link Library by Portrait Displays (Signed)

Remove null.dll
Version:   2,2,30,042
MD5:   fb65c2d2064a34c67bb1bfc9b638fb82
SHA1:   e05a6263dfac19cb4d3f03c0d17faa41d8ea917f
SHA256:   7b45180aca84cfd17a64251f91f5ac0f37f50ee84f26f8f69f4b48112ec4fc25

Overview

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

DetailsDetails

File name:null.dll
Publisher:Portrait Displays, Inc.
Product name:null Dynamic Link Library
Typical file path:C:\Program Files\common files\portrait displays\drivers\null.dll
File version:2,2,30,042
Size:102.8 KB (105,264 bytes)
Certificate
Issued to:Portrait Displays
Authority (CA):VeriSign
Digital DNA
PE subsystem:Windows GUI
File packed:No
.NET CLR:No
More details

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Professional 50.00%
Windows 7 Home Premium 12.50%
Windows 8 12.50%
Microsoft Windows XP 12.50%
Windows 7 Ultimate 12.50%

Distribution by countryDistribution by country

Turkey installs about 25.00% of null Dynamic Link Library.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Hewlett-Packard 100.00%
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