Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

28.0.64.0 25.00%
28.0.64.0 25.00%
27.0.142.0 50.00%

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, LoadLibraryW, Sleep, CreateEventW, WaitForSingleObject, CloseHandle, LocalFree, LocalAlloc, GetFileSize, CreateFileW, OutputDebugStringW, MoveFileW, DeleteFileW, GetCurrentThreadId, GetCurrentProcessId, FreeResource, LockResource, 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
CoTaskMemFree, CoFreeUnusedLibrariesEx, CoCreateInstance, CLSIDFromString, CoTaskMemAlloc, StringFromIID, StringFromCLSID, StringFromGUID2, CoGetClassObject, CoTaskMemRealloc, PropVariantClear
user32.dll
MsgWaitForMultipleObjects, DispatchMessageW, PostQuitMessage, CharNextW, PeekMessageW
wiaservc.dll
wiasCreateDrvItem, wiasGetDrvItem, wiasGetItemType, wiasReadPropGuid, wiasReadPropLong, wiasReadPropStr, wiasReadMultiple, wiasWritePropLong, wiasWritePropStr, wiasGetChangedValueLong, wiasGetImageInformation, wiasGetRootItem, wiasSetPropChanged, wiasSetValidRangeLong, wiasUpdateValidFormat, wiasValidateItemProperties, wiasSetItemPropAttribs, wiasWriteMultiple, wiasSetItemPropNames, wiasFreePropContext, wiasCreatePropContext
Export table
DllCanUnloadNow
DllGetClassObject
DllInstall
DllRegisterServer
DllUnregisterServer

hpwia2_ps5520.dll

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

Remove hpwia2_ps5520.dll
Version:   27.0.142.0
MD5:   e7131cd8ce469ae9823fb61776d270be
SHA1:   3b1e0a04682b2583ddcb1d033d052fa349529181

What is hpwia2_ps5520.dll?

The Hewlett-Packard WIA (Windows Image Acquisition) 2.0 scanner driver is the still image acquisition platform that enables imaging/graphics applications to interact with HP imaging hardware and standardizes the interaction between different applications and scanners. This allows the application to talk to and interact with those different devices.

Overview

hpwia2_ps5520.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_ps5520.dll
Publisher:Hewlett-Packard
Product name:Hewlett-Packard WIA 2.0 scanner driver
Typical file path:C:\Windows\System32\hpwia2_ps5520.dll
Original name:HPWia2DriverRoot.dll
File version:27.0.142.0
Size:607.85 KB (622,440 bytes)
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 75.00%
Windows Vista Home Premium 25.00%

Distribution by countryDistribution by country

Australia installs about 25.00% of Hewlett-Packard WIA 2.0 scanner driver.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
ASUS 33.33%
Toshiba 33.33%
Sony 33.33%
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