84,488,480 programs installed

Should I remove Avast Free Antivirus?

What percent of users and experts removed it?
6% remove it94% keep it
Overall Sentiment
Good
What do people think about it?
(click star to rate)
How common is it?
Global Rank #59
United States Rank #86
Reach 6.6908%
Lifespan of installation (until removal)
< 240.23 days
1087.39 days >
Average installed length: 571.34 days

Versions

VersionDistribution
19.8.2393 0.27%
19.7.2388 0.00%
19.6.2383 0.00%
19.5.2378 0.00%
19.4.2374 0.00%
19.3.2369 0.00%
18.6.2349 0.00%
18.5.2342 0.45%
18.4.2338 1.09%
18.4.2337 0.00%
18.4.2336 0.00%
18.3.2333 1.83%
18.3.2332 0.00%
18.3.2330 0.00%
18.2.2328 1.68%
18.1.2326 0.20%
18.1.2324 0.00%
18.1.2323 0.00%
17.9.2322 2.61%
17.8.2318 0.42%
17.7.2314 0.06%
17.6.2310 0.03%
17.5.2303 0.06%
17.5.2302 0.52%
17.5.2300 0.00%
17.5.2299 0.00%
17.5.2298 0.00%
17.5.2297 0.00%
17.4.2294 2.96%
17.4.2293 0.00%
17.4.2292 0.00%
17.3.2291 1.95%
17.3.2290 0.05%
17.3.2289 0.00%
17.2.2288 1.57%
17.2.2287 0.00%
17.1.2286 1.10%
12.4.2281 0.00%
12.3.2280 6.83%
12.3.2279 0.11%
12.3.2278 0.00%
12.3.2277 0.00%
12.2.2276 0.62%
12.2.2273 0.00%
12.1.2272 2.58%
12.1.2267 0.00%
12.1.2265 0.00%
11.2.2262 3.83%
11.2.2261 0.68%
11.2.2260 0.04%
11.2.2258 0.00%
104 versions

Avast Free Antivirus

Overview

Avast Free Antivirus is a program developed by AVAST Software. The most used version is 12.3.2280, with over 41% of all installations currently using this version. A scheduled task is added to Windows Task Scheduler in order to launch the program at various scheduled times (the schedule varies depending on the version). The software is designed to connect to the Internet and adds a Windows Firewall exception in order to do so without being interfered with. When installed, it will add a context menu handler to the Windows shell in order to provide quick access to the program. The main program executable is avastui.exe. The software installer includes 81 files and is usually about 171.64 MB (179,974,135 bytes). In comparison to the total number of users, most PCs are running the OS Windows 10 as well as Windows 7 (SP1). While about 40% of users of Avast Free Antivirus come from the United States, it is also popular in Italy and France.

Program detailsProgram details

URL: www.avast.com
Installation folder: C:\Program Files\AVAST Software\Avast
Uninstaller: C:\Program Files\AVAST Software\Avast\Setup\Instup.exe /control_panel /instoC:uninstall
Estimated size: 171.64 MB

Program filesFiles installed by Avast Free Antivirus

Program executable:avastui.exe
Path:C:\Program Files\avast software\avast\avastui.exe
MD5:03f7027b0afb0155956b6c6282c9c4ad
Additional files:
  • aswCommChannel.dll - avast! Antivirus (Communication Channels)
  • aswrec.dll - Software Health framework library
  • aswResourceLib.dll - Resources
  • aavm4h.dll - Avast Antivirus (avast! Asynchronous Virus Monitor (AAVM))
  • aavmrpch.dll - avast! AAVM Remote Procedure Call Library
  • AavmRpch64.dll
  • afwcoreserv.dll - avast! Firewall Server library
  • AhAScr.dll - avast! Script Blocking library for Windows Scripting Interface
  • AhResIdp.dll - Avast Behavior Shield AAVM Provider Library
  • AhResMai.dll - avast! e-Mail Scanner AAVM Provider Library
  • AhResStd.dll - avast! Standard Shield AAVM Provider Library
  • AhResWS.dll - avast! HTTP Scanner AAVM Provider Library
  • AhResWS2.dll - Web Shield Provider
  • ashbase.dll - Basic Functionality Module
  • ashMaiSv.dll - avast! e-Mail Scanner Service
  • ashQuick.exe - avast! Virus scanner
  • ashserv.dll - avast! antivirus service
  • ashShA64.dll - avast! Shell Extension
  • ashShell.dll
  • ashTask.dll - Task Handling Module
  • ashtaskex.dll - avast! TaskEx library
  • ashUpd.exe - avast! Antivirus updater
  • ashWebSv.dll - avast! Web Scanner
  • ashWsFtr.dll - avast! Web Shield Filter Module
  • asoutext.dll - AsOutExt Module
  • asOutExt64.dll
  • asulaunch.exe - Software Updater launch helper
  • aswAMSI.dll - Avast AMSI COM object
  • aswAraSr.exe - avast! ara service
  • aswAux.dll - avast! Auxiliary Library
  • aswBrowser.dll - Avast SafeZone Browser Library
  • aswChLic.exe - aswChLic component
  • aswCmnBS.dll - Common functions
  • aswCmnIS.dll - Antivirus independent functions
  • aswCmnOS.dll - Antivirus HW dependent library
  • aswdata.dll - avast! UI Layer library
  • aswDataScan.dll - Avast DataScan
  • aswDld.dll - aswDld Dynamic Link Library
  • aswDnsCache.dll - avast! Property Storage library
  • aswEngLdr.dll - Antivirus engine loader
  • aswIP.dll - AvastIP Dynamic Link Library
  • aswJsFlt.dll - avast! Script Blocking filter library
  • aswJsFlt64.dll
  • aswJSScan.dll - avast! GrimeFighter
  • aswLog.dll - avast! Log library
  • aswLSRun.dll - avast! LAN scanner wrapper
  • aswproperty.dll
  • aswProperty64.dll
  • aswRemoteCache.dll - RemoteCache
  • aswRunDll.exe - Avast Antivirus Installer
  • aswRvrt.dll - avast! aswRvrt support library
  • aswSecDns.dll - Avast! SecureDNS engine
  • aswSqLt.dll - avast! SQLite library
  • aswStreamFilter.dll - Stream Filter
  • aswStrm.dll - avast! Streaming Update library
  • aswSZB.dll - avast! SafeZone Browser Library
  • aswUtil.dll - avast! Utility library
  • aswVmm.dll - avast! aswVmm comm library
  • aswNg.dll - Avast NG (avast! NG core library)
  • aswcmlx.dll - Avast (CML Library)

Program behaviorsBehaviors exhibited

2 Context Menu Handlers
  • ashShell.dll added to Windows Explorer under the name 'avast' with a class of {472083B0-C522-11CF-8763-00608CC02F24}.
  • ashShA64.dll added to Windows Explorer under the name 'avast' with a class of {472083B0-C522-11CF-8763-00608CC02F24}.
2 Scheduled Tasks
  • ashUpd.exe is scheduled as a task named 'Update Avast Database' (runs daily at 1:00 AM).
  • ashQuick.exe is scheduled as a task named 'Avast Scan' (runs weekly on Fridays at 8:00 PM).
Startup File (All Users Run Once)
  • aswRunDll.exe is loaded once in the all users (HKLM) registry as a startup file name '20161125' which loads as "C:\Program Files\AVAST Software\Avast\aswRunDll.exe" "C:\Program Files\AVAST Software\Avast\ef37481a-9e0e-4ad3-ba91-492324fa9ae7\247d8407-e5eb-4178-84dd-6b3e024b091b.dll",_stage2@16.
Windows Firewall Allowed Program
  • ashUpd.exe is added as a firewall exception for 'C:\Program Files\AVAST Software\Avast\ashUpd.exe'.

How do I remove Avast Free Antivirus?

You can uninstall Avast Free Antivirus from your computer by using the Add/Remove Program feature in the Window's Control Panel.
  1. On the Start menu (for Windows 8, right-click the screen's bottom-left corner), click Control Panel, and then, under Programs, do one of the following:
    • Windows Vista/7/8/10: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program Avast Free Antivirus, click it, and then do one of the following:
    • Windows Vista/7/8/10: Click Uninstall.
    • Windows XP: Click the Remove or Change/Remove tab (to the right of the program).
  3. Follow the prompts. A progress bar shows you how long it will take to remove Avast Free Antivirus.

USER ACTIONS
Uninstall it 6%
Keep it 94%
 
GLOBAL RANK
#59
 
REACH
~6.69%
PC installation base

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 10 48.89%
Windows 7 44.64%
Windows Vista 3.40%
Windows XP 3.08%
Windows Server 2003 0.00%
Which OS releases does it run on?
Windows 7 Home Premium 19.46%
Windows 10 Home 19.21%
Windows 7 Ultimate 13.50%
Windows 8.1 10.78%
Windows 7 Professional 8.41%
Windows 10 Pro 6.92%

Distribution by countryGeography

39.80% of installs come from the United States
Which countries install it?
  United States 39.80%
  Italy 7.82%
  France 6.99%
  Germany 5.26%
  United Kingdom 5.03%
  Brazil 4.66%
  Canada 2.55%
  Spain 2.38%
  Netherlands 1.42%
  Sweden 1.30%
  Poland 1.08%
  Australia 1.06%
  Russia 1.03%
  Mexico 0.99%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 27.04%
Acer 20.56%
Dell 14.36%
ASUS 14.08%
Lenovo 7.60%
Toshiba 6.21%
Samsung 4.58%
GIGABYTE 3.51%
Intel 0.79%
MSI 0.67%
American Megatrends 0.59%
Common models
ASUS All Series 5.38%
HP Pavilion g6 Notebook P... 4.99%
HP Pavilion dv6 Notebook ... 4.65%
HP 15 Notebook PC 4.40%
HP Pavilion 15 Notebook P... 3.79%
HP Pavilion dv7 Notebook ... 3.08%

About AVAST Software

avast! antivirus software provides PC virus protection.
Publisher URL: www.avast.com

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