Get Rid of Ads by Fun4us–How to Delete Fun4us Extension

I need help to get rid of ads by Fun4us, just come back from holiday and turn on laptop, here comes tons of annoying advertisements, most of them are ads by Fun4us. What should I do? Any help?

What is Fun4us?

Fun4us is a stubborn adware that mutates from Fun4u malware. Fun4us has closed relationship with Notification Helper virus also the fake tech support virus as well.  And it is able to result in a bunch of annoying popups. This adware should be removed completely ASAP to prevent from further malware attacks. Once infected by Fun4us, the ads are really out of control to full with every page that users go to. Fun4us severely degrades the PC performance to poor condition. Unfortunately, this Fun4us sneaks into the system without any notification, it has malfunctioned the PC seriously until users realize the infection. The first symptom of the Fun4us is the annoying ads. But apart from the popups, Fun4us has been found to pose risks to privacy security from uses. Fun4us is designed by cyber criminals. It aims at getting revenue from promoting its bundled malware and service. Once this Fun4us installed on the computer, online browsing from users are under captured. Cyber criminals utilize cookies to track what users do online. If there is important personal information, then the privacy is under risks to be leaked. Fun4us is also capable to modify the start-up program settings. It helps its bundled malware run in the system as long as the system is launched. The ads flood into almost all the pages users go to. Browsers including Internet Explore, Mozilla Firefox and also Google Chrome are common victims of the Fun4us infecton.

Screen shot of Fun4us

ads by Fun4us
ads by Fun4us

Actually, Fun4us is supported by many third-party malware. This Fun4us is likely to be spread from many ways: for example, random popups clicking can lead to malware like this Fun4us installed in the background automatically. Also, Wild West Coupon, PicRec and Couponarific are noxious adware that bundled into this Fun4us installation. Users are easily to get numerous unwanted applications if they download dubious free software from unfamiliar websites. With Fun4us on the computer, the targeted computer is in poor condition. Due to this adware, all kinds of commercial ads, free software promotion, sponsored links and even fake update notification are popping up to interfere what users are doing online randomly. To better protect the computer as well as privacy security of users, this Fun4us and its bundled malware should be removed without any delay.

Problems caused by Fun4us

  • Lots of unknown applications installed and run in the background silently.
  • Fun4us creates unwanted icons, shortcuts and also nasty plugins on the computer compulsively.
  • Many processes running as long as system is launched, and they take up high CPU utilization.
  • The innocent computer is severely degraded, it takes forever to get system launched.
  • Online browsing is always interrupted by endless annoying popups.
  • Fun4us poses great risks to privacy security from users.

Manual removal steps for users to remove Fun4us completely

(Please carefully read the notes before you start to remove any file :This guide is based on the first version of Fun4us, but this infection keeps adding its features and updating its codes, files and locations, thus you may not be able to find out all its related files listed below. It requires expert skills and experience to identify all the files of Fun4us infection, if you are not familiar with it, do not risk to delete any file by yourself, since you may disable your PC for deleting wrong files which are crucial for your system. This guide is just for reference, we do not promise it will work for all the victims of different PCs in varied situations and conditions. Any problem and consequence incurred by your mistake should be borne by yourself.)

Step 1: Stop Fun4us relevant processes in the Windows Task Manager :

random.exe

On Windows XP

  • Press Ctrl+Alt+Del keys together to open Windows Task Manager ;
  • Under the Processes tab, right-click on the processes related with the virus and click End Process

remove Fun4us

On Windows 7 / Windows Vista

  • Right-click on Task Bar and click click Task Manager;
  • Under the Processes tab, right-click on the processes related with the virus and click End Process

remove Fun4us

how to remove Fun4us

On Windows 8 / 8.1

  • Right-click on Task Bar and click click Task Manager;
  • Under the Processes tab, right-click on the processes related with the virus and click End Process

how do i remove Fun4us

Step 2: Uninstall Fun4us associated programs or suspicious program from Control Panel:
(Unknown free software installed recently)
Windows 8 users

1. Press Windows key and I key together on your keyboard to open the Settings Charm Bar:

cp1

 

2. Click Control Panel on Settings Charm Bar and then click Uninstall a program in Control Panel:

remove Fun4us on Windows 8

cp3

3. Find out and Uninstall associated programs from the Programs and Features list:

how to uninstall Fun4us

 

Windows Vista and 7 users

1. Click Start button and then click Control Panel on the Start Menu:

remove Fun4us on Windows 7

2. Click Uninstall a program in Control Panel:
uninstall Fun4us on Windows 7

3. Find out and Uninstall associated programs from the Programs and Features list:

cp7

 

Windows XP users

1. Click Start button >> click Settings on Start Menu >> Click Control Panel

cp8

 

2. Click Add or Remove Programs in Control Panel and remove associated programs:

cp9

remove Fun4us on Windows XP

 

Step 3: Remove Fun4us and other suspicious add-on, toolbar, extension from IE, Firefox and Chrome.
Internet Explorer (IE)
• Open Internet Explorer, click on the “gear icon” at the top right corner, then click on “Manager add-ons”.

remove Fun4us in IE

• At the tab of “Toolbars and Extensions”, right click on unknown and suspicious extensions like Solid Savings, and click on “Disable” to uninstall the malicious add-ons.

how to remove Fun4us in IE

 

* Mozilla Firefox
• Click the “Tools” at the top of the Firefox window and Select Add-on

• At the tab of “Extensions”, click on the “Remove” to uninstall unknown and suspicious extensions like Speed Analysis, BrowserProtect,and Webcake.

how do i remove Fun4us in IE

 

* Google Chrome
• Click to the Menu button on top right corner of Chrome >> select “Tools” and click “Extensions”;

how to remove Fun4us from Chrome

• At the tab of “Extensions”, click on the Recycle Bin to uninstall unknown and suspicious extensions like Lucky Leap, Webcake and Searchnu.

remove Fun4us from Chrome

 

Step 4: Set Your DNS as Google’s public DNS (8.8.8.8):

Step 5: Clear browser cookies associated with Fun4us:
*Google Chrome: Click on the Tools menu → select Options → Click “Under the bonnet” tab → locate “Privacy” section → browsing data” button → “Delete cookies and other site data” to delete all cookies from the list.

Clear Chrome browser cookies to delete Fun4us
*Internet Explorer: Click “Tools” → Click “safety” → “delete browsing history” → Tick “cookies” box and click delete

Clear IE cookies to delete Fun4us
*Firefox: Click “Tools” → Click “Options” → Click “Privacy” → Click “remove individual cookies”

Clear Firefox browser cookies to remove  Fun4us

Step 6: Press Windows + R on the keyboard, run msconfig, click Startup tab and disable Fun4us if it is there

st1

get rid of Fun4us virus

Step 7: Show all hidden files:
On Windows XP

  • Close all programs so that you are at your desktop.
  • Click on the Start button. This is the small round button with the Windows flag in the lower left corner.
  • Click on the Control Panel menu option.
  • When the control panel opens click on the Appearance and Personalization link.
  • Under the Folder Options category, click on Show Hidden Files or Folders.
  • Under the Hidden files and folders section, select the radio button labeled Show hidden files, folders, or drives.
  • Remove the checkmark from the checkbox labeled Hide extensions for known file types.
  • Remove the checkmark from the checkbox labeled Hide protected operating system files (Recommended).
  • Press the Apply button and then the OK button.

remove files of Fun4us virus

On Windows 7 / Vista

  • Click and open Libraries
  • Under the Folder Options category of Tools , click on Show Hidden Files or Folders.
  • Under the Hidden files and folders section, select the radio button labeled Show hidden files, folders, or drives.
  • Remove the checkmark from the checkbox labeled Hide extensions for known file types.
  • Remove the checkmark from the checkbox labeled Hide protected operating system files (Recommended).
  • Press the Apply button and then the OK button.

hf2

hf3

how can i remove Fun4us

On Windows 8 /8.1

  • Click on Windows Explorer ;
  • Click on View tab;
  • Check the “Hidden Items” box

hf5

Step 8: Delete Fun4us Virus associated files

%Temp%Fun4us.exe
%Appdata%Fun4us.reg 
%Homepath%[Random].bat
%Allusersprofile%[Random].ini
%Localappdata%[Random].dll
%Windir%SysWOW64[Random].dll
%Systemroot%Fun4us[Random].exe
%CommonProgramFiles%Fun4us.ini
%Homedrive%Fun4us[Random].exe
%Windir%System32[Random].dll
%Systemroot%System32[Random].dll
%Windir%System32drivers[Random].sys

Step 9: Open Registry Editor:
Method 1 (Available on Windows XP, Windows 7 /Vista, and Windows 8 /8.1):

  • Call out “Run” box by pressing “Windows” key + “R” key on your keyboard;
  • Type “Regedit” into the Run box and click OK to open Registry Editor

how to eliminate Fun4us

r2

how do i get rid of Fun4us

 

Method 2 (Available on Windows 7/ Vista):

  • Click on Start button to open Start Menu
  • Type “Regedit” into the search box and click on Regedit to open Registry Editor

r5

r6

r7

Step 10: Terminate these Registry Entries created by Fun4us.

 HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionRun “.exe”
HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionPoliciesActiveDesktop “NoChangingWallPaper” = ‘1′
HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionPoliciesAttachments “SaveZoneInformation” = ‘1′
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionpoliciessystem “DisableTaskMgr” = ‘1′
 HKEY_CURRENT_USERSoftwareMicrosoftInternet ExplorerDownload “CheckExeSignatures” = ‘no’
HKEY_CURRENT_USERSoftwareMicrosoftInternet ExplorerMain “Use FormSuggest” = ‘yes’
HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionExplorerAdvanced “Hidden” =  ‘0′
 HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionExplorerAdvanced “ShowSuperHidden” = 0′
HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionRun: [avsdsvc] %CommonAppData%ifdstoresecurity_defender.exe /min
HKEY_CURRENT_USERSoftwareMicrosoftInstallerProductsrandom

Video Guide about How to Remove Registry Entries of Adware / Hijacker

Note: the manual removal of Fun4us is very complex, and it requires experienced IT skills with dealing with various computer issues, and any mistakes will result in computer crash. If you need help to remove Fun4us , please start a live chat with online experts.

LIVE EXPERT

Leave a Reply

Your email address will not be published. Required fields are marked *