84,488,480 programs installed

Should I remove BrowserDefender?

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?
Global Rank #18,109
United States Rank #31,205
Reach 0.0131%
Lifespan of installation (until removal)
< 8.16 days
240.60 days >
Average installed length: 126.41 days


What is BrowserDefender?

PerformerSoft BrowserDefender is a web browser a potentially unwanted extension that is bundled with PerformerSoft products including PC Performer. The software is designed to protect its bundled programs and make sure they remain installed or unchanged by other thrid party programs as well as perform it's primary function which is to prevent the search and home page settings from being changed from something other than what the products or affiliates suggest.

About  (from Bit89 Inc)

Keeps your browsers safe from homepage, search providers, extensions and other hijacks. Easy, comprehensive and FREE anti-hijack browser protection for Microsoft Internet Explorer, Mozilla Firefox and Google Chrome. BrowserProtect is a browser anti-hijack solution to protect your browser against obtrusive attempts to h...  Read more


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 software is designed to connect to the Internet and adds a Windows Firewall exception in order to do so without being interfered with. The main program executable is BrowserDefender.exe. Typically most users end up uninstalling this just after a few days. The software installer includes 4 files and is usually about 8.08 MB (8,476,764 bytes).
  • Possible malware installed by this program
  • Adds a background Windows Service
  • Installed as part of a co-bundle
  • Hijacks the web browser's home page
  • Generally known to have a low reputation
  • The experts agree, you should remove it!
Warning, multiple anti-virus scanners have detected possible malware in BrowserDefender.
BrowserDefender.exe (bd2d29baf273e029bbac627aaca37594) has been flagged by the following 7 scanners:
Anti-Virus softwareVersionDetection
ESET-NOD32 7.8667 a variant of Win32/bProtector.A
Malwarebytes v2013.08.09.01 PUP.Optional.BrowserDefender.A
McAfee 5600.7162 Adware-Bprotect!BD2D29BAF273
McAfee-GW-Edition 7.7162 Adware-Bprotect!BD2D29BAF273
Trend Micro 10.465.09 ADW_BPROTECT
TrendMicro-HouseCall 7.2.221 ADW_BPROTECT
VIPRE Antivirus 20314 Bprotector (fs)
BrowserDefender has been found to be bundled with 3rd party software. If you have not purposefully installed this, you should be safe uninstalling it.

Program detailsProgram details

URL: www.bit89.com/contact.html
Installation folder: C:\ProgramData\browserdefender\2.6.1519.190\{c16c1ccb-7046-4e5c-a2f3-533ad2fec8e8}
Uninstaller: "C:\ProgramData\BrowserDefender\2.6.1519.190\{c16c1ccb-7046-4e5c-a2f3-533ad2fec8e8}\uninstall.exe" /Uninstall /{15D2D75C-9CB2-4efd-BAD7-B9B4CB4BC693}
Estimated size: 8.08 MB

Program filesFiles installed by BrowserDefender

Program executable:BrowserDefender.exe (Malware detected)
Name:Application Manager
Signed by:Bit89 Inc.
The PerformerSoft Browser Manager (Application Manager) program classified mostly as exhibiting adware like actions, is bundled with PerformerSoft products including PC Performer. Browser Manager is designed to protect its bundled programs...
Additional files:
  • uninstall.exe (by PerformerSoft) - Application Manager
  • BrowserDefender.dll (by PerformerSoft) - Protector
  • (Malware detected) BrowserDefender.exe
  • BrowserDefendermgr.exe

Program behaviorsBehaviors exhibited

  • BrowserDefender.exe runs as a service named 'eType Manager' (eType Manager).
Windows Firewall Allowed Program
  • BrowserDefender.exe is added as a firewall exception for 'C:\ProgramData\BrowserDefender\2.6.1519.190\{c16c1ccb-7046-4e5c-a2f3-533ad2fec8e8}\BrowserDefender.exe'.

Program resource utilizationResource utilization averages

Memory:3.95 MB
21.09 MB average
Total CPU:0.0049307587%
0.031193% average
Kernel CPU:0.00167159%
0.016088% average
User CPU:0.00325917%
0.015104% average
CPU cycles/sec:1,439,841
8,062,084 average
70 average
I/O reads/min:746 Bytes
435.61 KB average
I/O writes/min:19 Bytes
105.02 KB average

How do I remove BrowserDefender?

You can uninstall BrowserDefender 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 BrowserDefender, 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 BrowserDefender.
  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.

Windows Service? Yes
(Installs a service)
Uninstall it 83%
Keep it 17%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 70.66%
Windows 10 16.60%
Windows XP 7.72%
Windows Vista 5.02%
Which OS releases does it run on?
Windows 7 Home Premium 27.13%
Windows 7 Ultimate 27.13%
Windows 7 Professional 11.24%
Microsoft Windows XP 7.36%
Windows 8 6.59%
Windows 8 Pro 5.04%

Distribution by countryGeography

16.80% of installs come from the United States
Which countries install it?
  United States 16.80%
  Germany 9.84%
  Brazil 9.02%
  Italy 5.33%
  United Kingdom 4.10%
  MA 4.10%
  Poland 3.28%
  DZ 2.46%
  France 2.46%
  Pakistan 2.46%
  Saudi Arabia 2.46%
  Japan 2.05%
  BA 1.64%
  Belgium 1.64%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Acer 22.70%
Hewlett-Packard 20.86%
Dell 19.63%
ASUS 12.88%
Samsung 7.36%
Lenovo 5.52%
Toshiba 4.91%
Intel 2.45%
Common models
HP Pavilion dv6 Notebook ... 4.07%
HP 630 Notebook PC 2.44%
Dell Inspiron N4050 2.44%
ASUSTeK K53SV 1.63%
ASUSTeK X75VD 1.63%
ASUSTeK K54L 1.63%

About Bit89 Inc

Bit89 Inc. is the owner of Bit89.
Publisher URL: www.bit89.com

comments1 comment

user comment
expert comment
AdwareBuster (Expert)over a year ago
BrowserDefender which is distributed under a number of names and signed by a number of sketchy adware publishers is typically just used in a co-bundle situation to prevent AV products or even the end-user from removing the installed search providers and homepage resets by some unethical adware providers.