Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

21d55 50.00%
0a707 50.00%
(Note, ashampoo GmbH & Co. KG publishes each variation of this file with the same version, but the hashes are unique.)

Relationships


PE structurePE file structure

Show functions
Import table
advapi32.dll
RegQueryValueExA, RegOpenKeyExA, RegCloseKey, RegSetValueExA, RegFlushKey, RegDeleteKeyA, RegCreateKeyExA, OpenProcessToken, GetTokenInformation, GetLengthSid, GetKernelObjectSecurity
comctl32.dll
_TrackMouseEvent, ImageList_SetIconSize, ImageList_GetIconSize, ImageList_Write, ImageList_Read, ImageList_DragShowNolock, ImageList_DragMove, ImageList_DragLeave, ImageList_DragEnter, ImageList_EndDrag, ImageList_BeginDrag, ImageList_GetIcon, ImageList_Remove, ImageList_DrawEx, ImageList_Draw, ImageList_GetBkColor, ImageList_SetBkColor, ImageList_ReplaceIcon, ImageList_Add, ImageList_GetImageCount, ImageList_Destroy, ImageList_Create
gdi32.dll
UnrealizeObject, StretchBlt, SetWindowOrgEx, SetWinMetaFileBits, SetViewportOrgEx, SetTextColor, SetStretchBltMode, SetROP2, SetPixel, SetEnhMetaFileBits, SetDIBColorTable, SetBrushOrgEx, SetBkMode, SetBkColor, SelectPalette, SelectObject, SaveDC, RestoreDC, RectVisible, RealizePalette, PlayEnhMetaFile, PatBlt, MoveToEx, MaskBlt, LineTo, IntersectClipRect, GetWindowOrgEx, GetWinMetaFileBits, GetTextMetricsA, GetTextExtentPoint32A, GetSystemPaletteEntries, GetStockObject, GetRgnBox, GetPixel, GetPaletteEntries, GetObjectA, GetEnhMetaFilePaletteEntries, GetEnhMetaFileHeader, GetEnhMetaFileBits, GetDeviceCaps, GetDIBits, GetDIBColorTable, GetDCOrgEx, GetCurrentPositionEx, GetClipBox, GetBrushOrgEx, GetBitmapBits, ExcludeClipRect, DeleteObject, DeleteEnhMetaFile, DeleteDC, CreateSolidBrush, CreatePenIndirect, CreatePalette, CreateHalftonePalette, CreateFontIndirectA, CreateDIBitmap, CreateDIBSection, CreateCompatibleDC, CreateCompatibleBitmap, CreateBrushIndirect, CreateBitmap, CopyEnhMetaFileA, BitBlt
kernel32.dll
GetACP, Sleep, VirtualFree, VirtualAlloc, GetCurrentThreadId, InterlockedDecrement, InterlockedIncrement, VirtualQuery, WideCharToMultiByte, MultiByteToWideChar, lstrlenA, lstrcpynA, LoadLibraryExA, GetThreadLocale, GetStartupInfoA, GetProcAddress, GetModuleHandleA, GetModuleFileNameA, GetLocaleInfoA, GetCommandLineA, FreeLibrary, FindFirstFileA, FindClose, ExitProcess, CompareStringA, WriteFile, UnhandledExceptionFilter, RtlUnwind, RaiseException, GetStdHandle, TlsSetValue, TlsGetValue, TlsFree, TlsAlloc, LocalFree, LocalAlloc, lstrlenW, lstrcpyA, lstrcmpA, WriteProcessMemory, WaitForSingleObject, WaitForMultipleObjectsEx, VirtualQueryEx, VirtualProtectEx, UnmapViewOfFile, TerminateThread, TerminateProcess, SuspendThread, SizeofResource, SetThreadPriority, SetThreadLocale, SetThreadContext, SetThreadAffinityMask, SetPriorityClass, SetLastError, SetFilePointer, SetEvent, SetErrorMode, SetEndOfFile, ResumeThread, ResetEvent, ReleaseMutex, ReadProcessMemory, ReadFile, PulseEvent, OpenProcess, OpenFileMappingA, OpenEventA, MulDiv, MapViewOfFile, LockResource, LoadResource, LoadLibraryA, LeaveCriticalSection, IsBadReadPtr, InitializeCriticalSection, GlobalUnlock, GlobalSize, GlobalLock, GlobalFree, GlobalFindAtomA, GlobalDeleteAtom, GlobalAlloc, GlobalAddAtomA, GetWindowsDirectoryA, GetVersionExW, GetVersionExA, GetVersion, GetTickCount, GetThreadPriority, GetThreadContext, GetSystemDirectoryW, GetSystemDirectoryA, GetShortPathNameA, GetProcessVersion, GetProcessAffinityMask, GetPriorityClass, GetModuleHandleW, GetModuleFileNameW, GetLocalTime, GetLastError, GetFullPathNameA, GetFileAttributesW, GetFileAttributesA, GetExitCodeThread, GetExitCodeProcess, GetDriveTypeA, GetDiskFreeSpaceA, GetDateFormatA, GetCurrentThread, GetCurrentProcessId, GetCurrentProcess, GetCPInfo, FreeResource, InterlockedExchange, FormatMessageA, FindResourceA, EnumCalendarInfoA, EnterCriticalSection, DuplicateHandle, DeleteCriticalSection, CreateThread, CreateSemaphoreA, CreateMutexA, CreateFileMappingW, CreateFileMappingA, CreateFileW, CreateFileA, CreateEventA, CloseHandle
ole32.dll
IsEqualGUID, CreateStreamOnHGlobal, ReleaseStgMedium, CoTaskMemFree, StringFromCLSID, CoLockObjectExternal, CoDisconnectObject, CoRevokeClassObject, CoRegisterClassObject, CoUninitialize, CoInitialize, GetHGlobalFromStream
oleaut32.dll
SysFreeString, SysReAllocStringLen, SysAllocStringLen, CreateErrorInfo, GetErrorInfo, SetErrorInfo, RegisterTypeLib, LoadTypeLibEx, SafeArrayPtrOfIndex, SafeArrayGetUBound, SafeArrayGetLBound, SafeArrayCreate, VariantChangeType, VariantCopy, VariantClear, VariantInit
shell32.dll
Shell_NotifyIconA, ShellExecuteA, SHGetFileInfoA, DragQueryFileA, SHGetSpecialFolderLocation, SHGetPathFromIDListA
user32.dll
GetKeyboardType, DestroyWindow, LoadStringA, MessageBoxA, CharNextA, DllMain
version.dll
VerQueryValueA, GetFileVersionInfoSizeA, GetFileVersionInfoA
Export table
DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer

contexthandler.dll

By ashampoo GmbH & Co. KG (Signed)

Remove contexthandler.dll
MD5:   21d5571e480dd8fa881d74dd38afae35
SHA1:   4d55ef4eb41ecf0d250e1d08e3c67cb88da093fa
SHA256:   a49c30981f120afc807dbd375217f2fe411f1edffa3f966ffff11b132ef82ef2

Overview

contexthandler.dll is loaded as dynamic link library that runs in the context of a process. The file is digitally signed by ashampoo GmbH & Co. KG which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:contexthandler.dll
Typical file path:C:\users\user\documents\ashampoo winoptimizer 5\contexthandler.dll
Size:594.84 KB (609,120 bytes)
Certificate
Issued to:ashampoo GmbH & Co. KG
Authority (CA):VeriSign
Effective date:Wednesday, February 20, 2008
Expiration date:Thursday, March 17, 2011
Digital DNA
PE subsystem:Windows GUI
File packed:No
.NET CLR:No
More details

BehaviorsBehaviors

Context menu handlers
Located in '*\shellex\ContextMenuHandlers'
  • CLSID: {B83DE149-CEFA-5D3A-82DB-A22864B1E3A9}
  • CLSID: {B83DE13F-CFFA-6D3A-82DB-A32864B1E3AB}

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Microsoft Windows XP 50.00%
Windows 7 Home Premium 50.00%

Distribution by countryDistribution by country

United Kingdom installs about 50.00% of contexthandler.dll.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Intel 100.00%
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