84,488,480 programs installed

Should I remove avast! Premier?

What percent of users and experts removed it?
4% remove it96% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #3,601
United States Rank #5,808
Reach 0.1533%
Lifespan of installation (until removal)
< 9.00 days
265.62 days >
Average installed length: 139.56 days


2014.9.0.2001 0.03%
10.0.2022 0.17%
9.0.2021 30.12%
9.0.2018 18.57%
9.0.2017 0.03%
9.0.2016 7.35%
9.0.2014 0.07%
9.0.2013 14.00%
9.0.2011 6.92%
9.0.2010 0.07%
9.0.2008 5.20%
9.0.2007 1.82%
9.0.2006 4.50%
9.0.2005 0.03%
9.0.2004 0.03%
8.0.1506.0 0.40%
8.0.1504.0 0.13%
8.0.1501.0 0.03%
8.0.1500.0 0.13%
8.0.1497.0 2.25%
8.0.1496.0 0.03%
8.0.1492.0 0.17%
8.0.1489.0 5.16%
8.0.1488.0 0.36%
8.0.1487.0 0.03%
8.0.1486.0 0.07%
8.0.1483.0 1.49%
8.0.1482.0 0.70%
8.0.1481.0 0.07%
8.0.1479.0 0.07%

avast! Premier

What is avast! Premier?  (from AVAST Software)

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 dele...  Read more


avast! Premier is a software program developed by AVAST Software. The most common release is 9.0.2021, with over 98% of all installations currently using this version. It adds registry entry for the current user which will allow the program to automatically start each time it is rebooted. Upon being installed, the software adds a Windows Service which is designed to run continuously in the background. Manually stopping the service has been seen to cause the program to stop functing properly. It adds a background controller service that is set to automatically run. Delaying the start of this service is possible through the service manager. 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). When installed, it will add a context menu handler to the Windows shell in order to provide quick access to the program. The programs's main executable is avastui.exe and has been seen to consume an average CPU of less than one percent, and utilizes about 13.1 MB of memory. It also includes a system tray icon that is displayed in the notifications area while the program is running. The setup package generally installs about 74 files and is usually about 514.31 KB (526,656 bytes). Relative to the overall usage of users who have this installed on their PCs, most are running Windows 7 (SP1) and Windows 10. While about 28% of users of avast! Premier come from the United States, it is also popular in Brazil and MA.

Program detailsProgram details

URL: www.avast.com/premier
Installation folder: C:\Program Files1\AVASTS~1\Avast
Uninstaller: C:\Program Files\AVAST Software\Avast\aswRunDll.exe "C:\Program Files\AVAST Software\Avast\Setup\setiface.dll" RunSetup
Estimated size: 514.31 KB

Program filesFiles installed by avast! Premier

Program executable:avastui.exe
Name:avast! Antivirus
Path:C:\Program Files\avast software\avast\avastui.exe
Taskbar:Displays an icon in the notification area
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...
Additional files:
  • asOutExt64.dll - avast! Antivirus (AsOutExt Module)
  • aavm4h.dll - avast! Asynchronous Virus Monitor (AAVM)
  • afwCore.dll - avast! Firewall Core library
  • afwCoreClient.dll - avast! Firewall Core Client library
  • afwCoreServ.dll - avast! Firewall Server library
  • afwGeoIP.dll - avast! GeoIP library
  • afwRpc.dll - avast! firewall Rpc
  • afwServ.exe - avast! firewall service
  • ashBase.dll - Basic Functionality Module
  • ashmaisv.dll - avast! e-Mail Scanner Service
  • ashWebSv.dll - avast! Web Scanner
  • AavmRpch.dll - avast! AAVM Remote Procedure Call Library
  • AhResMai.dll - avast! e-Mail Scanner AAVM Provider Library
  • AhResSpm.dll - avast! Spam Shield AAVM Provider Library
  • AhResStd.dll - avast! Standard Shield AAVM Provider Library
  • AhResWS.dll - avast! HTTP Scanner AAVM Provider Library
  • ashCmd.exe - avast! Command line
  • ashQuick.exe - avast! Virus scanner
  • ashServ.dll - avast! antivirus service
  • ashShell.dll - avast! Shell Extension
  • ashTask.dll - Task Handling Module
  • ashTaskEx.dll - avast! TaskEx library
  • ashUpd.exe - avast! Antivirus updater
  • ashWsFtr.dll - avast! Web Shield Filter Module
  • asulaunch.exe - Software Updater launch helper
  • aswAux.dll - avast! Auxiliary Library
  • aswcommchannel.dll - Communication Channels
  • aswAra.dll - RemoteAssistance (TightVNC Viewer)
  • aswAraSr.exe - avast! ara service
  • 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
  • aswDld.dll - aswDld Dynamic Link Library
  • AavmRpch64.dll
  • ashShA64.dll
  • aswEngLdr.dll - Antivirus engine loader
  • AhResWS2.dll - Web Shield Provider
  • aswJsFlt.dll - avast! Script Blocking filter library
  • AhAScr.dll - avast! Script Blocking library for Windows Scripting Interface
  • asOutExt.dll
  • aswIdle.dll - avast! Idle Hook Library

Program behaviorsBehaviors exhibited

2 Context Menu Handlers
  • ashShA64.dll added to Windows Explorer under the name 'avast' with a class of {472083B0-C522-11CF-8763-00608CC02F24}.
  • ashShell.dll added to Windows Explorer under the name 'avast' with a class of {472083B0-C522-11CF-8763-00608CC02F24}.
3 Scheduled Tasks
  • ashCmd.exe is scheduled as a task named 'Scan auto avast' (runs daily at 20:00).
  • ashUpd.exe is scheduled as a task with the class '{BC69679F-A685-476D-A431-2221C8E17ECB}' (runs on registration).
  • ashQuick.exe is scheduled as a task named 'avast' (runs on boot).
Scheduled Task (Boot/Login)
  • ashQuick.exe is automatically launched at startup through a scheduled task named avast.
  • afwServ.exe runs as a service named 'Avast Firewall Service' (avast! Firewall) "Implements main functionality for avast! Firewall".
Startup File (User Run)
  • ashQuick.exe is loaded in the current user (HKCU) registry as an auto-starting executable named 'ashQuick.exe' and executes as C:\Program Files\AVAST Software\Avast\ashQuick.exe.

Program resource utilizationResource utilization averages

Memory:13.1 MB
21.09 MB average
Total CPU:0.0116104881%
0.031193% average
Kernel CPU:0.00549135%
0.016088% average
User CPU:0.00611914%
0.015104% average
CPU cycles/sec:317,161
8,062,084 average
70 average
I/O reads/min:622 Bytes
435.61 KB average
I/O writes/min:0 Bytes
105.02 KB average
Memory:12.02 MB
Total CPU:0.0005518428%
Kernel CPU:0.00023040%
User CPU:0.00032144%
CPU cycles/sec:55,787
I/O reads/min:11.33 KB
I/O writes/min:1 KB

How do I remove avast! Premier?

You can uninstall avast! Premier 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! Premier, 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! Premier.

Win 7 (SP1) 52%
Win 10 0%
Auto-starting? Yes
(Found in the run registry)
Uninstall it 4%
Keep it 96%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 61.68%
Windows 10 30.81%
Windows XP 4.50%
Windows Vista 2.95%
Windows Server 2003 0.07%
Which OS releases does it run on?
Windows 7 Ultimate 26.88%
Windows 7 Home Premium 20.96%
Windows 7 Professional 10.08%
Windows 8.1 Pro 8.05%
Windows 8.1 7.88%
Microsoft Windows XP 4.56%

Distribution by countryGeography

28.44% of installs come from the United States
Which countries install it?
  United States 28.44%
  Brazil 11.12%
  MA 4.88%
  Italy 4.82%
  France 4.45%
  India 3.37%
  United Kingdom 3.30%
  Spain 2.05%
  Egypt 1.98%
  DZ 1.98%
  Canada 1.68%
  Russia 1.58%
  Germany 1.52%
  Australia 1.39%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 25.01%
Acer 20.84%
Dell 17.42%
ASUS 10.90%
Toshiba 6.47%
Samsung 5.20%
Lenovo 3.97%
Intel 1.88%
American Megatrends 0.76%
Alienware 0.61%
Sony 0.61%
Common models
HP Pavilion dv6 Notebook ... 6.31%
HP Pavilion g6 Notebook P... 6.03%
Dell Inspiron N5110 2.38%
ASUS All Series 2.10%
Positivo MOBILE 1.96%
Dell Inspiron 1545 1.82%

About AVAST Software

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


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