84,488,480 programs installed

Should I remove Unfriend Checker?

What percent of users and experts removed it?
82% remove it18% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #28,693
United States Rank #14,836
Reach 0.0054%
Lifespan of installation (until removal)
< 207.19 days
906.79 days >
Average installed length: 476.45 days

Unfriend Checker

Remove Unfriend Checker
Powered by Reason Antivirus

What is Unfriend Checker?

This is a web browser extension and Browser helper Object (for Internet Explorer) that delivers contextual based advertising to the web browser. In addition it will modify the user's browser home and search pages as well as 'New Tab' pages to push advertising and search. The software acts as an adware type application and is typically defined as a unwanted application by various malware vendors.


It adds a Browser Helper Object (BHO) to Internet Explorer. The primary executable is named uc.dll. A majority of users end up uninstalling this less than a week of it being installed. The setup package generally installs about 2 files.
  • Malware detected in the program
  • Integrates into the web browser
  • Delivered through a thrid-party offer
  • The experts agree, you should remove it!
Warning, multiple anti-virus scanners have detected possible malware in Unfriend Checker.
uc.dll (1eb4a1e34ada9c0ea8ef848e0890d712) has been flagged by the following 3 scanners:
Anti-Virus softwareVersionDetection
Avira AntiVir ADWARE/Adware.Gen
AVG 2015.0.3600 Generic5
IKARUS anti.virus t3scan.2.2.29 AdWare.Win32.UnfriendChecker
Unfriend Checker 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

Installation folder: C:\Program Files\unfriend checker
Uninstaller: C:\Program Files\Unfriend Checker\uninstall.exe

Program filesFiles installed by Unfriend Checker

Program module:uc.dll (Malware detected)
Name:Unfriend Checker
Path:C:\Program Files\unfriend checker\uc.dll
Additional files:
  • Uninstall.exe

Program behaviorsBehaviors exhibited

Internet Explorer BHO
  • uc.dll is installed in Internet Explorer as a BHO (Browser Helper Object) under the name 'Unfriend Checker' with the class of {09942569-D515-42BE-9F5A-A439B20F91AB}.

How do I remove Unfriend Checker?

Quickly and completely remove Unfriend Checker from your computer by downloading Reason's ‘Should I Remove It?’ (click the button below).
Download Reason's ‘Should I Remove It?’Remove Unfriend Checker from your computer.
Or, you can uninstall Unfriend Checker 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 Unfriend Checker, 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 Unfriend Checker.
  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 Unfriend Checker you can restore them to their previous default settings.
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Win 7 (SP1) 87%
Win 10 1%
Uninstall it 82%
Keep it 18%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 87.50%
Windows Vista 7.69%
Windows XP 3.85%
Windows 10 0.96%
Which OS releases does it run on?
Windows 7 Home Premium 75.00%
Windows Vista Home Premiu... 6.73%
Windows 7 Professional 6.73%
Windows 7 Ultimate 3.85%
Microsoft Windows XP 3.85%
Windows 7 Starter 0.96%

Distribution by countryGeography

97.83% of installs come from the United States
Which countries install it?
  United States 97.83%
  CM 0.54%
  Iran 0.54%
  Canada 0.54%
  Saudi Arabia 0.54%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 43.33%
Dell 25.56%
Acer 15.56%
Toshiba 5.56%
ASUS 3.33%
Lenovo 2.22%
Gateway 1.11%
Alienware 1.11%
Common models
HP Pavilion g7 Notebook P... 3.06%
Dell Inspiron N5110 3.06%
ASUSTeK K55A 2.04%
HP 2000 Notebook PC 2.04%
HP Pavilion g6 Notebook P... 2.04%
Dell Dell System Inspir... 2.04%


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