Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

9.0.2020.505 0.85%
9.0.2018.391 38.98%
9.0.2013.292 4.24%
9.0.2011.263 4.24%
9.0.2008.177 12.71%
9.0.2007.172 5.93%
9.0.2006.159 33.05%

Relationships


PE structurePE file structure

Show functions
Import table
advapi32.dll
RegCloseKey, CheckTokenMembership, RegOpenKeyExW, FreeSid, AllocateAndInitializeSid, DuplicateToken, RegQueryValueExW, GetTokenInformation, OpenProcessToken, RegCreateKeyExW, RegSetValueExW
gdi32.dll
DeleteObject
kernel32.dll
lstrcpyW, ExpandEnvironmentStringsW, GetProcAddress, GetLastError, GetPrivateProfileIntW, GlobalUnlock, CloseHandle, lstrcpynW, GetVersionExW, InitializeCriticalSectionAndSpinCount, GetModuleFileNameW, GetShortPathNameW, LoadLibraryW, WideCharToMultiByte, GetModuleHandleW, GlobalLock, GetCurrentProcess, LoadLibraryExW, CreateProcessW, FreeLibrary, lstrcpynA, GetDriveTypeW, ResetEvent, OpenEventA, CreateEventA, FormatMessageA, ReadConsoleW, WriteConsoleW, SetStdHandle, SetFilePointerEx, GetConsoleMode, GetConsoleCP, WaitForSingleObject, CreateFileW, GetFileSize, ReadFile, MultiByteToWideChar, WriteFile, FlushFileBuffers, GetPrivateProfileStringW, Sleep, SetLastError, FormatMessageW, LocalFree, DeviceIoControl, TerminateProcess, RaiseException, EnterCriticalSection, LeaveCriticalSection, DeleteCriticalSection, GetCurrentThread, GetCurrentThreadId, GetSystemTimeAsFileTime, HeapFree, HeapAlloc, EncodePointer, DecodePointer, IsDebuggerPresent, IsProcessorFeaturePresent, GetCommandLineA, RtlUnwind, TlsGetValue, UnhandledExceptionFilter, SetUnhandledExceptionFilter, TlsAlloc, TlsSetValue, TlsFree, GetStartupInfoW, InterlockedIncrement, InterlockedDecrement, IsValidCodePage, GetACP, GetOEMCP, GetCPInfo, GetStringTypeW, GetProcessHeap, ExitProcess, GetModuleHandleExW, GetStdHandle, HeapSize, GetFileType, GetModuleFileNameA, QueryPerformanceCounter, GetCurrentProcessId, GetEnvironmentStringsW, FreeEnvironmentStringsW, HeapReAlloc, OutputDebugStringW, GetThreadTimes, SetEvent, InitializeSListHead, LCMapStringW, SetEnvironmentVariableA, GetTimeZoneInformation, GetDateFormatW, GetTimeFormatW, CompareStringW
ole32.dll
ReleaseStgMedium, CoInitialize, CoCreateInstance, CoUninitialize
rpcrt4.dll
UuidCreate, UuidToStringW, RpcStringFreeW
shell32.dll
ShellExecuteW, SHChangeNotify, DragQueryFileW
user32.dll
LoadStringW, GetSystemMetrics, MessageBoxW, GetWindowThreadProcessId, SendMessageW, InsertMenuW, SetMenuItemBitmaps, FindWindowW, wsprintfW, LoadBitmapW, AllowSetForegroundWindow
Export table
DllCanUnloadNow
DllGetClassObject

ashShell.dll

avast! Antivirus by AVAST Software a.s. (Signed)

Remove ashShell.dll
Version:   9.0.2006.159
MD5:   8ebcdb641f989f4f1f0b4f0147686230
SHA1:   91f2eb38db7c5c62b087237fcba33bbbd2ee3e01

Overview

ashshell.dll is loaded as dynamic link library that runs in the context of a process. It is installed with a couple of know programs including avast! Free Antivirus published by AVAST Software, avast! Pro Antivirus from AVAST Software and avast! Pro Antivirus by AVAST Software. The file is digitally signed by AVAST Software a.s. which was issued by the DigiCert Inc certificate authority (CA).

DetailsDetails

File name:ashshell.dll
Publisher:AVAST Software
Product name:avast! Antivirus
Description:avast! Shell Extension
Typical file path:C:\Program Files\avast software\avast\ashshell.dll
File version:9.0.2006.159
Size:314.21 KB (321,752 bytes)
Build date:10/14/2013 12:58 PM
Certificate
Issued to:AVAST Software a.s.
Authority (CA):DigiCert Inc
Effective date:Thursday, July 11, 2013
Expiration date:Wednesday, September 14, 2016
Digital DNA
File packed:No
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
AVAST Software
9% remove
Avast! Free Antivirus is a full-featured antivirus and anti-spyware scanning and removal product that offers a web-reputation browser extension as well as virtualization technology. Accurate threat updates via Avast updates are delivered automatically using PUSH update technology.
AVAST Software
7% remove
Avast Pro Antivirus is for individuals or companies that want customizable computer security that will integrate easily with an existing firewall. It has all the features of Avast Free Antivirus, plus a command-line scanner, full-scale virtualization, and the new Avast SafeZone (a clean, isolated desktop, so that other applications--even keyloggers--cannot see what's happening), designed specifically for secure online shopping or bankin...
AVAST Software
5% remove
avast! Internet Security provides complete antivirus, anti-spyware, antispam, and firewall protection, complemented by avast! SafeZone™ and new hybrid cloud technologies, for best protection against viruses, spyware, and other types of malware. SafeZone creates a private and isolated virtual window on your desktop for safely making your sensitive financial transactions when shopping or banking online.
AVAST Software
4% remove
Puts all the latest security technology at your fingertips. Comes with advanced privacy tools, full remote access, and a software update manager, to keep your most important programs updated. avast! Premier goes beyond our already comprehensive Internet Security to offer our new Data Shredder, for very permanently deleting sensitive data from the hard drive; remote capability improvements that – at the request of our users – allow autom...
AVAST Software
6% remove
AVAST Software
4% remove
AVAST Software
7% remove
AVAST Software
9% remove

BehaviorsBehaviors

Approved shell extensions
Located in the registry at 'SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved'
  • 'avast' with CLSID {472083B0-C522-11CF-8763-00608CC02F24}
Context menu handlers
Located in '*\shellex\ContextMenuHandlers'
  • Name: 'avast'

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 31.90%
Windows 7 Ultimate 17.24%
Windows 8.1 12.07%
Windows 8.1 Pro 6.90%
Windows 7 Professional 5.17%
Windows 8 5.17%
Microsoft Windows XP 4.31%
Windows 8 Single Language 3.45%
Windows 8 Pro 3.45%
Windows 7 Home Basic 3.45%
Windows 8.1 Single Language 1.72%
Windows Vista Home Premium 1.72%
Windows 8 Enterprise Evaluation 1.72%
Windows 8.1 Enterprise 1.72%

Distribution by countryDistribution by country

United States installs about 30.17% of avast! Antivirus.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 17.72%
Hewlett-Packard 17.09%
ASUS 16.46%
Toshiba 13.92%
Acer 10.76%
Lenovo 10.13%
GIGABYTE 5.70%
Alienware 2.53%
Intel 2.53%
Samsung 1.90%
Sahara 1.27%
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