84,488,480 programs installed

Should I remove STOPzilla AntiMalware?

What percent of users and experts removed it?
1% remove it99% keep it
Overall Sentiment
Very good
What do people think about it?
Be the first to rate (click star to rate)
How common is it?
Global Rank #37,386
United States Rank #26,467
Reach 0.0029%
Lifespan of installation (until removal)
< 2.84 days
52.20 days >
Average installed length: 27.43 days


VersionDistribution 6.90% 41.38% 24.14% 27.59%

STOPzilla AntiMalware


STOPzilla AntiMalware is a software program developed by iS3. The most common release is, with over 98% of all installations currently using this version. 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. The setup package generally installs about 42 files and is usually about 44.09 MB (46,231,304 bytes). The installed file iS3Updater.exe is the auto-update component of the program which is designed to check for software updates and notify and apply them when new versions are discovered. Relative to the overall usage of users who have this installed on their PCs, most are running Windows 10 and Windows 7 (SP1). While about 76% of users of STOPzilla AntiMalware come from the United States, it is also popular in Singapore and Australia.

Program detailsProgram details

URL: www.stopzilla.com
Help link: www.STOPzilla.com/director/?type=support
Installation folder: C:\Program Files\iS3\STOPzilla AntiMalware\
Uninstaller: MsiExec.exe /X{CEE3AFB4-9B66-4BDF-8697-19A0268EA7EC}
(The Windows Installer is used for the installation, maintenance, and removal.)
Estimated size: 44.09 MB
Language: English (United States)

Program filesFiles installed by STOPzilla AntiMalware

  • SZEngine.dll - SZEngine Dynamic Link Library
  • iS3Base5.dll - iS3 Common Libraries (iS3 Support Library)
  • iS3DBA5.dll
  • iS3Hks5.dll
  • iS3HTUI5.dll
  • iS3Inet5.dll
  • iS3Svc5.dll
  • iS3UI5.dll
  • iS3Win325.dll
  • SZExit.dll - ISSS Inc. SZExit (SZExit)
  • DiagScan.EXE - STOPzilla! (STOPzilla! Application)
  • SzDxScanCore5.dll - STOPzilla! Support Library
  • STOPzilla.exe - STOPzilla (STOPzilla Application)
  • SZAlert.exe
  • SZBase5.dll - STOPzilla Support Library
  • SZCfgSvc.dll
  • SZClientCom.dll
  • SZClLic.dll
  • SZComp5.dll
  • SZExtrSS.dll
  • SZHistory.dll
  • SZHistUI.dll
  • SZInit.exe
  • SZIO5.dll
  • SZJustice.dll
  • SZLMScn.dll
  • SZOptions6.exe
  • SZPAHost.dll
  • SZQrntn.dll
  • SZRes5ASMEn.dll - STOPzilla ASM
  • SZRes5ASMEs.dll
  • SZRollup.dll
  • SZScanner.exe
  • SZSchSvc.dll
  • SZScnSvc.dll
  • SZServer.exe - STOPzilla Service
  • SZSnsrSv.dll
  • SZSplash.dll
  • f_in_box.dll (by Softanics) - F-IN-BOX DLL Edition
  • Flash.ocx (by Adobe Systems) - Shockwave Flash (Adobe Flash Player 11.8 r800)
  • iS3Updater.exe

Program behaviorsBehaviors exhibited

  • SZServer.exe runs as a service named 'STOPzilla AntiMalware' (szserver) "STOPzilla AntiMalware".

How do I remove STOPzilla AntiMalware?

You can uninstall STOPzilla AntiMalware 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 STOPzilla AntiMalware, 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 STOPzilla AntiMalware.

Win 10 66%
Win Vista (SP2) 3%
Windows Service? Yes
(Installs a service)
Uninstall it 1%
Keep it 99%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 10 65.52%
Windows 7 31.03%
Windows Vista 3.45%
Which OS releases does it run on?
Windows 10 Home 41.38%
Windows 7 Home Premium 18.97%
Windows 10 Pro 12.07%
Windows 7 Ultimate 6.90%
Windows 8.1 Pro 5.17%
Windows 7 Professional 5.17%

Distribution by countryGeography

75.64% of installs come from the United States
Which countries install it?
  United States 75.64%
  Singapore 3.85%
  Australia 3.85%
  Canada 3.85%
  Mexico 2.56%
  Italy 2.56%
  United Kingdom 2.56%
  Sweden 1.28%
  Japan 1.28%
  Spain 1.28%
  Netherlands 1.28%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 44.68%
Acer 21.28%
Dell 10.64%
Toshiba 10.64%
Lenovo 8.51%
ASUS 2.13%
Samsung 2.13%
Common models
HP 2000 Notebook PC 3.64%
HP-Pavilion NP192AA-ABA p... 3.64%
HP-Pavilion NC892AA-ABA a... 3.64%
TOSHIBA Satellite C50D-A 3.64%
Acer Aspire V5-571 3.64%
TOSHIBA Satellite L70-B 1.82%


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