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_ps7520.dll

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

Remove hpwia1_ps7520.dll
Version:   28.0.64.0
MD5:   63009304dc4c02844cf7e512ca81c651
SHA1:   0e553c0ea8d830f9a6c922778aca1e353160c6a4
SHA256:   ed6770dcd6d5a0d8fcc4fc8304fb5f1fe91147212a8956e76f29ad40cfc1c567

Overview

hpwia1_ps7520.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_ps7520.dll
Publisher:Hewlett-Packard
Product name:Hewlett-Packard WIA 1.0 scanner driver
Typical file path:C:\windows.0\system32\hpwia1_ps7520.dll
Original name:HPWia1DriverRoot.dll
File version:28.0.64.0
Size:483.89 KB (495,504 bytes)
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%
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