Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

9.0.2020.505 1.85%
9.0.2018.391 33.33%
9.0.2013.292 5.56%
9.0.2011.263 7.41%
9.0.2008.177 14.81%
9.0.2007.172 3.70%
9.0.2006.159 33.33%

Relationships

PE structurePE file structure
Show functions
Import table
aavm4h.dll
FilterComm_Send, AavmProviderRegister, aavmFltIsPresent, AavmGetDllCachePath, AavmGetScannerExtensionsDllPath, AavmGetVpsProperty, AavmDecreaseProcessPriority, aavmFltCheckMgrService, AavmIncreaseProcessPriority
advapi32.dll
RegOpenKeyW, InitializeSecurityDescriptor, SetSecurityDescriptorDacl, RegCloseKey, RegQueryValueExW
ashbase.dll
_basLogEvent2@24, _basIsOtherAVInstalled@4, _basGetBaseLang@0, _basGetStringValue@16, _basGetFeatureLicenseInfo@32, _basProductInfo@0
aswcmnbs.dll
DSA_FileVerify, secCreateSharedEvent
aswproperty.dll
aswPropertyFreeLibrary, aswGetAvastPropertyInt, aswGetProviderPropertyInt, aswGetProperty, aswGetPropertyInt, aswPropertyInitLibrary
kernel32.dll
GetModuleFileNameW, CreateFileW, GetProcAddress, DeviceIoControl, CloseHandle, ReadFile, ExpandEnvironmentStringsW, EncodePointer, DecodePointer, GetFileAttributesW, GetVersionExW, Sleep, TerminateThread, GetFileSize, LoadLibraryW, GetProcessHeap, GetLogicalDrives, WaitForSingleObject, HeapFree, LoadLibraryExW, HeapAlloc, FreeLibrary, GetDriveTypeW, CreateThread, GetSystemTimeAsFileTime, GetCurrentThreadId, GetCurrentProcessId, QueryPerformanceCounter, IsProcessorFeaturePresent, IsDebuggerPresent
msvcp110.dll
DllMain
msvcr110.dll
DllMain
user32.dll
wsprintfW
Export table
AvResDeinitialize
AvResInitialize
AvResPause
AvResResume
AvResRun
AvResStop
AvResUpdateConfiguration

ahresstd.dll

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

Remove ahresstd.dll
Version:   9.0.2011.263
MD5:   092155aede41225e0aa938adb5d9ba64
SHA1:   0cfc2c38956c33bb79f14e184929f0834d3e421b

Overview

ahresstd.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! Internet Security published by AVAST Software, avast! Free Antivirus from AVAST Software and avast! Free 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:ahresstd.dll
Publisher:AVAST Software
Product name:avast! Antivirus
Description:avast! Standard Shield AAVM Provider Library
Typical file path:C:\Program Files\avast software\avast\ahresstd.dll
Original name:AvResStd.dll
File version:9.0.2011.263
Size:150.25 KB (153,856 bytes)
Build date:12/16/2013 11:32 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! Internet Security
 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! Free Antivirus
 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! Pro Antivirus
 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! Premier
 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 Free Antivirus
 AVAST Software
6% remove
Avast Internet Security
 AVAST Software
7% remove

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 33.96%
Windows 7 Ultimate 15.09%
Windows 8.1 11.32%
Windows 7 Professional 5.66%
Windows 8.1 Pro 5.66%
Microsoft Windows XP 5.66%
Windows 8 Single Language 3.77%
Windows 8 Pro 3.77%
Windows 8 3.77%
Windows 8.1 Single Language 1.89%
Windows Vista Home Premium 1.89%
Windows 8 Enterprise 1.89%
Windows 7 Home Basic 1.89%
Windows 8 Enterprise Evaluation 1.89%
Windows 8.1 Enterprise 1.89%

Distribution by countryDistribution by country

United States installs about 26.42% of avast! Antivirus.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 19.18%
Hewlett-Packard 17.81%
ASUS 16.44%
Lenovo 13.70%
Toshiba 13.70%
Acer 6.85%
GIGABYTE 5.48%
Intel 2.74%
Sahara 1.37%
Alienware 1.37%
Samsung 1.37%
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