Should I block it?

60%
60% of PCs block this file from running.
Possible reason:
Performance resource utilization

VersionsAdditional versions

2, 0, 0, 1 9.09%
2, 0, 0, 1 81.82%
1, 0, 0, 1 9.09%

PE structurePE file structure

Show functions
Import table
advapi32.dll
FreeSid, IsValidSid, OpenThreadToken, OpenProcessToken, GetTokenInformation, AllocateAndInitializeSid, EqualSid, RegQueryValueExA, RegDeleteKeyA, RegDeleteValueA, RegOpenKeyA, RegCloseKey, RegCreateKeyExA, RegSetValueExA, RegOpenKeyExA
comctl32.dll
ImageList_Create, ImageList_GetIcon, ImageList_Destroy, ImageList_ReplaceIcon
comdlg32.dll
GetFileTitleA
kernel32.dll
GetWindowsDirectoryA, SetStdHandle, GetStringTypeW, GetStringTypeA, LCMapStringW, LCMapStringA, InterlockedIncrement, InterlockedDecrement, FlushFileBuffers, IsBadCodePtr, GetCurrentThread, SetUnhandledExceptionFilter, LeaveCriticalSection, GetLastError, LocalAlloc, IsBadWritePtr, HeapReAlloc, VirtualAlloc, WriteFile, VirtualFree, GetOEMCP, HeapDestroy, GetEnvironmentVariableA, GetModuleHandleA, GetEnvironmentStringsW, GetEnvironmentStrings, FreeEnvironmentStringsW, FreeEnvironmentStringsA, DeleteCriticalSection, CloseHandle, GetVersionExA, LoadLibraryA, GetProcAddress, FreeLibrary, WideCharToMultiByte, lstrcmpiA, FindFirstFileA, FindNextFileA, FindClose, MultiByteToWideChar, lstrcmpA, lstrcpyA, GetPrivateProfileStringA, lstrcatA, GetModuleFileNameA, lstrlenA, EnterCriticalSection, GetCurrentProcess, InitializeCriticalSection, SetFilePointer, IsBadReadPtr, GetStartupInfoA, GetFileType, GetStdHandle, SetHandleCount, HeapCreate, GetVersion, HeapAlloc, GetCPInfo, TlsGetValue, GetACP, TerminateProcess, ExitProcess, RtlUnwind, GetFileAttributesA, GetCommandLineA, TlsFree, HeapFree, GetCurrentThreadId, TlsSetValue, TlsAlloc, SetLastError
ole32.dll
OleUninitialize, CoCreateInstance, OleInitialize
shell32.dll
SHGetMalloc, ShellExecuteA, SHGetFileInfoA, ExtractIconExA, SHChangeNotify
shlwapi.dll
StrFormatByteSizeW
user32.dll
DefWindowProcA, GetClassInfoA, DestroyWindow, LoadImageA, GetSystemMetrics, GetMenuStringA, SetMenuItemInfoA, InsertMenuA, CreateMenu, MessageBeep, DestroyMenu, CheckMenuRadioItem, ShowWindow, InvalidateRect, UpdateWindow, IsWindow, MoveWindow, GetWindowLongA, SetWindowLongA, wsprintfA, GetWindowTextA, LoadStringA, LoadCursorA, RegisterClassA, CreateWindowExA, SetWindowTextA, SetFocus, SendMessageA, GetDlgItem, InsertMenuItemA, EndDialog, GetDesktopWindow, DialogBoxParamA, MessageBoxA, LoadMenuA, GetSubMenu, GetMenuItemCount, GetMenuItemInfoA
Export table
DllCallback
DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer

shellext.dll

America Online, Inc. AOLShell by America Online (Signed)

Remove shellext.dll
Version:   2, 0, 0, 1
MD5:   adca4cb85e002dc5328a6bb8699bf491
SHA1:   bdddb3c1dbf7b0fb39e15ebbc332509a3d0bc779
SHA256:   42e7cc1ad04531a8b47422e6591a8c63c7965968c558507259072471d1443b76

Overview

shellext.dll is loaded as dynamic link library that runs in the context of a process. The file is digitally signed by America Online which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:shellext.dll
Publisher:America Online, Inc.
Product name:America Online, Inc. AOLShell
Description:AOL Shell Extension
Typical file path:C:\Program Files\common files\aolshare\shell\us\shellext.dll
File version:2, 0, 0, 1
Size:109.2 KB (111,824 bytes)
Certificate
Issued to:America Online
Authority (CA):VeriSign
Effective date:Monday, October 21, 2002
Expiration date:Wednesday, October 22, 2003
Digital DNA
File packed:No
.NET CLR:No
More details

BehaviorsBehaviors

Approved shell extension
Located in the registry at 'SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved'
  • 'America Online' with CLSID {955B7B84-5308-419c-8ED8-0B9CA3C56985}

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Microsoft Windows XP 44.44%
Windows 7 Home Premium 33.33%
Windows Vista Home Premium 22.22%

Distribution by countryDistribution by country

United States installs about 100.00% of America Online, Inc. AOLShell.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Toshiba 100.00%
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