Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

28.0.64.0 14.29%
28.0.64.0 42.86%
26.0.260.0 28.57%
26.0.260.0 14.29%

Relationships


PE structurePE file structure

Show functions
Import table
advapi32.dll
RegQueryValueExW, RegEnumKeyExW, RegQueryInfoKeyW, RegSetValueExW, RegOpenKeyExW, RegCreateKeyExW, RegCloseKey, RegDeleteValueW, RegDeleteKeyW, InitializeSecurityDescriptor
kernel32.dll
SizeofResource, LoadResource, FindResourceW, LoadLibraryExW, SetThreadLocale, GetThreadLocale, InitializeCriticalSection, DeleteCriticalSection, MultiByteToWideChar, InterlockedDecrement, GetTickCount, GetLocalTime, InterlockedExchangeAdd, CreateThread, ExitThread, FreeLibrary, GetModuleFileNameW, lstrcmpiW, GetModuleHandleW, GetProcAddress, GetLastError, LeaveCriticalSection, EnterCriticalSection, RaiseException, TerminateThread, lstrlenA, InterlockedIncrement, lstrlenW, GetProcessHeap, SetEndOfFile, CreateFileA, SetStdHandle, WriteConsoleW, GetConsoleOutputCP, WriteConsoleA, GetLocaleInfoW, LoadLibraryA, InitializeCriticalSectionAndSpinCount, IsValidLocale, EnumSystemLocalesA, GetUserDefaultLCID, GetLocaleInfoA, GetStringTypeA, FlushFileBuffers, SetFilePointer, ReadFile, GetConsoleMode, GetConsoleCP, GetSystemTimeAsFileTime, QueryPerformanceCounter, GetEnvironmentStringsW, FreeEnvironmentStringsW, GetEnvironmentStrings, FreeEnvironmentStringsA, GetStartupInfoA, ResetEvent, InterlockedExchange, SetEvent, Sleep, CreateEventW, WaitForSingleObject, CloseHandle, LocalFree, LocalAlloc, lstrcpynW, GetFileSize, CreateFileW, OutputDebugStringW, MoveFileW, DeleteFileW, GetCurrentThreadId, GetCurrentProcessId, FreeResource, LockResource, LoadLibraryW, CreateSemaphoreW, ReleaseSemaphore, WideCharToMultiByte, InterlockedCompareExchange, HeapAlloc, HeapFree, RtlUnwind, TerminateProcess, GetCurrentProcess, UnhandledExceptionFilter, SetUnhandledExceptionFilter, IsDebuggerPresent, GetCommandLineA, GetCPInfo, LCMapStringA, LCMapStringW, GetStringTypeW, VirtualFree, VirtualAlloc, HeapReAlloc, HeapCreate, HeapDestroy, ExitProcess, WriteFile, GetStdHandle, GetModuleFileNameA, TlsGetValue, TlsAlloc, TlsSetValue, TlsFree, SetLastError, HeapSize, GetACP, GetOEMCP, IsValidCodePage, GetModuleHandleA, SetHandleCount, GetFileType
ole32.dll
CoGetClassObject, CoUninitialize, CreateStreamOnHGlobal, CoCreateGuid, CoInitializeEx, OleInitialize, CoTaskMemAlloc, CoTaskMemRealloc, StringFromCLSID, StringFromIID, PropVariantClear, CLSIDFromString, CoCreateInstance, CoFreeUnusedLibrariesEx, StringFromGUID2, CoTaskMemFree, OleUninitialize
user32.dll
CharNextW, wsprintfW, PostQuitMessage, DispatchMessageW, PeekMessageW, MsgWaitForMultipleObjects
wiaservc.dll
wiasSetItemPropAttribs, wiasValidateItemProperties, wiasUpdateValidFormat, wiasWriteMultiple, wiasSetItemPropNames, wiasFreePropContext, wiasSetValidRangeLong, wiasSetPropChanged, wiasGetRootItem, wiasCreateDrvItem, wiasGetDrvItem, wiasGetItemType, wiasReadPropGuid, wiasReadPropLong, wiasReadPropStr, wiasReadMultiple, wiasWritePropLong, wiasWritePropStr, wiasGetChangedValueLong, wiasGetImageInformation, wiasCreatePropContext
Export table
DllCanUnloadNow
DllGetClassObject
DllInstall
DllRegisterServer
DllUnregisterServer

hpwia2_oj4620.dll

Hewlett-Packard WIA 2.0 scanner driver by Hewlett Packard (Signed)

Remove hpwia2_oj4620.dll
Version:   28.0.64.0
MD5:   7dcf222e65ea1135dc8102aed73565b5
SHA1:   28b052345e87594bbb1226c9eeb0f57535caad14

Overview

hpwia2_oj4620.dll is loaded as dynamic link library that runs in the context of a process. The assembly utilizes the .NET run-time framework (which is required to be installed on the PC). The file is digitally signed by Hewlett Packard which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:hpwia2_oj4620.dll
Publisher:Hewlett-Packard
Product name:Hewlett-Packard WIA 2.0 scanner driver
Typical file path:C:\Windows\System32\hpwia2_oj4620.dll
Original name:HPWia2DriverRoot.dll
File version:28.0.64.0
Size:608.39 KB (622,992 bytes)
Build date:2/13/2012 10:31 PM
Certificate
Issued to:Hewlett Packard
Authority (CA):VeriSign
Effective date:Wednesday, September 9, 2009
Expiration date:Monday, September 3, 2012
Digital DNA
File packed:No
Code language:Microsoft Visual C# / Basic .NET
.NET CLR:Yes
.NET NGENed:No
More details

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 42.86%
Windows 8 28.57%
Windows 7 Professional 14.29%
Windows Vista Home Premium 14.29%

Distribution by countryDistribution by country

United States installs about 71.43% of Hewlett-Packard WIA 2.0 scanner driver.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Toshiba 33.33%
Hewlett-Packard 33.33%
Samsung 33.33%
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