74,139,804 programs installed

Should I remove PC Antivirus?

What percent of users and experts removed it?
83% remove it17% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
United States Rank #38,078
Reach 0.0009%
Lifespan of installation (until removal)
< 197.79 days
946.76 days >
Average installed length: 497.45 days

PC Antivirus

What is PC Antivirus?

PC Antivirus is a spyware application usually downloaded as a Trojan virus and is installed without your knowledge. It generates pop-up messages showing scan results of your computer with multiple viruses and trojans found. Then it offers to purchase the PC Antivirus application to remove these threats. The pop-ups will continue until you purchase the software or remove the spyware application.


During setup, the program creates a startup registration point in Windows in order to automatically start when any user boots the PC. It adds a Browser Helper Object (BHO) to Internet Explorer. The primary executable is named PCAntivirus.exe. A majority of users end up uninstalling this less than a week of it being installed. The setup package generally installs about 2 files and is usually about 544.68 KB (557,749 bytes).

Program detailsProgram details

Installation folder: C:\Program Files\PC Antivirus
Uninstaller: "C:\Windows\uninstac.exe" -removeit
Estimated size: 544.68 KB

Program filesFiles installed by PC Antivirus

Program executable:PCAntivirus.exe
Name:PC Antivirus
PC Antivirus Pro
Path:C:\Program Files\PC Antivirus\PCAntivirus.exe
Additional files:
  • PCAntivirus.exe - PC Antivirus (PC Antivirus Pro)
  • pf.dll (by PC Antivirus Web Protection BHO) - PC Antivirus Web Protection BHO

Program behaviorsBehaviors exhibited

Internet Explorer BHO
  • pf.dll is installed in Internet Explorer as a BHO (Browser Helper Object) under the name 'PC Antivirus Web Protection BHO' with the class of {C11CBDA9-6702-469E-9CE1-64E3971A6B44}.
Startup File (All Users Run)
  • PCAntivirus.exe is loaded in the all users (HKLM) registry as a startup file name 'PC Antivirus' which loads as "C:\Program Files\PC Antivirus\PCAntivirus.exe" /minimize.

How do I remove PC Antivirus?

Quickly and completely remove PC Antivirus from your computer by downloading "Should I Remove It?", its 100% FREE and installs in seconds (click the button below).
Download "Should I Remove It?", it's FREE!Remove PC Antivirus from your computer.
Or, you can uninstall PC 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: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program PC Antivirus, click it, and then do one of the following:
    • Windows Vista/7/8: 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 PC Antivirus.
  4. If for some reason uninstallation fails, please install Microsoft's uninstall fixer utility which will help fix problems with programs that can't be uninstalled at support.microsoft.com.

How do I reset my web browser?

If your web browser homepage and search settings have been modfied by PC Antivirus you can restore them to their previous default settings.
Microsoft Internet Explorer
Mozilla Firefox
Google Chrome

Win 7 (SP1) 54%
Win XP 8%
Automatically starts? Yes
(Found in the run registry)
Uninstall it 83%
Keep it 17%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 69.23%
Windows Vista 23.08%
Windows XP 7.69%
Which OS releases does it run on?
Windows 7 Home Premium 46.15%
Windows 7 Professional 23.08%
Windows Vista Home Premiu... 15.38%
Microsoft Windows XP 7.69%
Windows Vista Home Basic 7.69%

Distribution by countryGeography

80.00% of installs come from the United States
Which countries install it?
  United States 80.00%
  Germany 5.00%
  United Kingdom 5.00%
  RS 5.00%
  SC 5.00%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 58.33%
Dell 41.67%
Common models
Micro-Star MS-7599 7.69%
HP-Pavilion KQ505AA-ABA m... 7.69%
HP-Pavilion KJ378AA-ABA a... 7.69%
Hewlett-Packard Presario ... 7.69%
Hewlett-Packard Presario ... 7.69%
HP Pavilion dv6 Notebook ... 7.69%


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