Should I block it?

No, this file is 100% safe to run.

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, CreateFileA, SetStdHandle, WriteConsoleW, GetConsoleOutputCP, WriteConsoleA, GetLocaleInfoW, LoadLibraryA, InitializeCriticalSectionAndSpinCount, IsValidLocale, EnumSystemLocalesA, GetUserDefaultLCID, GetLocaleInfoA, GetStringTypeA, FlushFileBuffers, GetConsoleMode, GetConsoleCP, GetSystemTimeAsFileTime, QueryPerformanceCounter, GetEnvironmentStringsW, FreeEnvironmentStringsW, GetEnvironmentStrings, FreeEnvironmentStringsA, GetStartupInfoA, GetFileType, SetHandleCount, GetModuleHandleA, IsValidCodePage, GetOEMCP, ResetEvent, InterlockedExchange, SetEvent, SetFilePointer, SetEndOfFile, WriteFile, ReadFile, 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, GetStdHandle, GetModuleFileNameA, TlsGetValue, TlsAlloc, TlsSetValue, TlsFree, SetLastError, HeapSize, GetACP
ole32.dll
CoTaskMemFree, CoFreeUnusedLibrariesEx, CoCreateInstance, CLSIDFromString, CoTaskMemAlloc, StringFromIID, StringFromCLSID, StringFromGUID2, CoTaskMemRealloc, CoGetClassObject, PropVariantClear
user32.dll
MsgWaitForMultipleObjects, DispatchMessageW, PostQuitMessage, CharNextW, PeekMessageW
wiaservc.dll
wiasCreateDrvItem, wiasGetItemType, wiasWriteBufToFile, wiasSendEndOfPage, wiasGetDrvItem, wiasReadPropLong, wiasReadMultiple, wiasWritePropLong, wiasWritePropStr, wiasGetChangedValueLong, wiasGetImageInformation, wiasGetRootItem, wiasSetPropChanged, wiasSetValidRangeLong, wiasUpdateValidFormat, wiasValidateItemProperties, wiasSetItemPropAttribs, wiasWriteMultiple, wiasSetItemPropNames, wiasFreePropContext, wiasCreatePropContext
Export table
DllCanUnloadNow
DllGetClassObject
DllInstall
DllRegisterServer
DllUnregisterServer

hpwia1_dj3520.dll

Hewlett-Packard WIA 1.0 scanner driver by Hewlett Packard (Signed)

Remove hpwia1_dj3520.dll
Version:   28.0.64.0
MD5:   224949159fc71c4694e8eee26627f620
SHA1:   d9a9e7c2790d850fb306e7f12a1fa327cd1a1009

Overview

hpwia1_dj3520.dll is loaded as dynamic link library that runs in the context of a process. The file is digitally signed by Hewlett Packard which was issued by the VeriSign certificate authority (CA). This particular version is usually found on Microsoft Windows XP (5.1.2600.196608).

DetailsDetails

File name:hpwia1_dj3520.dll
Publisher:Hewlett-Packard
Product name:Hewlett-Packard WIA 1.0 scanner driver
Typical file path:C:\Windows\System32\hpwia1_dj3520.dll
Original name:HPWia1DriverRoot.dll
File version:28.0.64.0
Size:483.89 KB (495,504 bytes)
Build date:2/13/2012 7:13 PM
Certificate
Issued to:Hewlett Packard
Authority (CA):VeriSign
Effective date:Wednesday, September 9, 2009
Expiration date:Monday, September 3, 2012
Digital DNA
PE subsystem:Windows GUI
File packed:No
.NET CLR:No
More details

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Microsoft Windows XP 100.00%

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 100.00%
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