8.0.1497.376 11.52%
8.0.1489.300 20.70%
8.0.1488.286 0.17%
8.0.1483.72 7.51%
8.0.1482.45 4.51%
7.0.1474.765 43.41%
7.0.1473.755 1.17%
7.0.1466.549 5.51%
7.0.1456.418 0.83%
7.0.1455.186 0.17%
7.0.1451.402 0.17%
7.0.1426.0 2.34%
7.0.1407.0 0.50%
6.0.1367.0 0.50%
6.0.1125.0 0.50%
6, 0, 999, 0 0.50%



avast! Antivirus by AVAST Software (Signed)

Remove ashShell.dll


There are 16 versions of ashshell.dll in the wild, the latest version being 8.0.1497.376. It adds a context menu to the Window's shell named avast. The average file size is about 119.36 KB. The file is a digitally signed and issued to AVAST Software by VeriSign. The programs avast! Free Antivirus, avast! Internet Security and avast! Premier have been observed as installing specific variations of ashshell.dll.

What is ashshell.dll?

avast! Shell Extension - Avast Antivirus is a full-featured antivirus and anti-spyware scanning and removal product. Avast offers a web-reputation browser extension as well as virtualization technology. Accurate threat updates via avast updates are delivered automatically using PUSH update technology in Avast! Antivirus.

About ashshell.dll (from AVAST Software)

Free antivirus with anti-spyware protection for Windows. AVAST Software leads the security software industry – protecting 160 million PCs, Macs and Mobiles around the globe – by distributing FREE anti


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
Issued to:AVAST Software
Authority (CA):VeriSign
Expiration date:Friday, January 31, 2014

ResourcesPrograms installed in

(Note, the programs listed below are for all versions of avast! 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 up...
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 v...
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...
AVAST Software
6% remove
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! P...


(Note, the behaviors below are for all versions of ashshell.dll, select a unique version for details.)
Context menu handlers
Located in '*\shellex\ContextMenuHandlers'
  • Name: 'avast'
Approved shell extensions
Located in the registry at 'SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved'
  • 'avast' with CLSID {472083B0-C522-11CF-8763-00608CC02F24}

VersionsAll file variations of ashshell.dll

MD5SHA-1File size
5b2c482dd947dfbb82855ca4d2e173b2 f10c70e8090bad2fc5ef5a5af6097d863ded59be 119.11 KB
cd89fa96371429b0bee893b156db8932 863189e3326e121a18253b9a00991ff252a1f8f1 119.11 KB
58212dc7b4f1258ec18afc3c0488b3ee acd038b406dd3a4a24fd87fb34b12f01dd6dab80 119.11 KB
56dec67e273ba88a630c4b7b29d9d7bb 840d2bed7e8355f6a67c0222b8fda902c7202708 119.11 KB
4743b0375196441f81ae989533ed6481 d26d4e651cb3cff57f4df6dea636957ffe268767 119.11 KB
4d153bde01aa3fd33414199052051549 115186b39f9fb5474c7f5e193291e95325b644e5 118.68 KB
d4fceb3cb932c2c8a098fb157895cd24 a2bff73dadf63bca80590f97a70e960d9000af62 118.68 KB
c98fac19a0ffa2a65f2bd73fa2d9d693 5a23b7746bad6253ab7d26725e44da283a51a723 118.68 KB
22fd59c3b9c5356a9fc7fb2742016b4f c3b5230efaa81aadab3c004ff2d254d181d9f5ae 118.68 KB
2a8252cb9f6a0338fa65f775f234ee52 65fffefa95c81aacb87b039314f397461c386869 120.68 KB
30d50df39c774037bd15f5340a7015e5 4966fe9b5467565760ccc6a5f51f599e8ebd77f3 118.68 KB
751c5383f3995f6d6b3fa24ef89c9446 a8916fccebae731b5b0d4171f588064b96cf92c3 120.64 KB
ecbcd8d92a3842c9b82c628a6d324527 0eb554b7f7b8b8cca526536a52c211b439178601 120.64 KB
7a4a6056b53f36db50bcb8a334bad2b6 8208a30a049c908945f3001d0dfed07fc48533b6 119.64 KB
3f665cde964fc1efda762d01fda7c71e 55f77cb0cab76441cd64f9a32df01dbb1043d236 119.64 KB
2341eb1047ba6ae71feb630e460cdd3e c3c8bab03571ad939b18910e705a39e50562b8c2 119.64 KB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 26.25%
Windows 7 Ultimate 20.50%
Microsoft Windows XP 18.50%
Windows 7 Professional 12.75%
Windows Vista Home Premium 4.50%
Windows 8 4.00%
Windows 8 Pro 3.00%
Windows 7 Home Basic 2.50%
Windows Vista Home Basic 2.00%
Windows 7 Enterprise 1.50%
Windows 7 Starter 1.50%
Windows Vista Business 0.75%
Windows 7 Ultimate N 0.75%
Windows Seven Black Edition 0.50%
Windows 8 Pro N 0.50%
Windows 8 Pro with Media Center 0.50%

Distribution by countryDistribution by country

United States installs about 31.31% of avast! Antivirus.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 19.39%
Hewlett-Packard 14.89%
Acer 13.71%
ASUS 12.29%
Toshiba 11.82%
Intel 7.57%
Lenovo 5.67%
Samsung 2.84%
American Megatrends 2.36%
Sony 1.89%
Compaq 1.89%
MSI 0.95%
Medion 0.95%
Gateway 0.95%
Packard Bell 0.47%
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