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Remove Adfocus.us Hijacker with Feasible Solution, Stop Hijacking Manually

Adfocus.us Profile

Judging from adfocus.us’ name and its content, it can be considered as adware; while the way it acts defines it as a browser hijacker – a suit of programs classified as Potentially Unwanted Program (PUP) rather than virus due to the lack of vicious attribute code and the application of approved computing technologies.

Browser hijacker rose in response to the need by most e-commerce businesses and black hat SEOs to generate huge leads and traffic without competition complying to the fair mechanism. And it is true to adfocus.us. Offering a list of links while hijacking users’ browsers, adfocus.us manages to direct traffic to the publishers and advertisers who have delivered payments. Not serving as virus, adfocus.us shall not be kept on browsers, according to VilmaTech Computer Security Team, not because of the detriment on surfing experience, but also because of the potential dangers it is capable of triggering.

vilmatech shows how to remove adfocus_us hijacker


 

How Dangerous Can Adfocus.us Be?

Applying approved computing technologies, adfocus.us is nevertheless potentially dangerous. Showing up in the form of a web page, adfocus.us can be concluded to adopt JS and BHO (Browser Helper Object) techniques that were created for easy and quick web browsing. Given the fact that the hijacker is money driven, it is unascertainable that adfocus.us would resell the confidential information contained in cookies including browsing history and even log-in credentials to the party in need for either high ROI or scam.

What’s worse, loophole/vulnerability is very likely to be detected within its Java Script since adfocus.us has no intention, according to the arbitrary and annoying behavior, to develop long-lasting relationship with any party, no exquisite work will be involved. And the programs with loophole/vulnerability are the targets by infections. In the event that adfocus.us is eroded by virus, the victims of it will be affected immediately and the personal information fetched by the hijacker will be grabbed which can lead to identity theft and even money loss.

Briefly, the sooner adfocus.us is removed, the better. Given the fact that adfocus.us is not technically virus, which anti-virus program will not be able to solve, manual way is highly recommended. Stick to the steps below for thorough removal. Should there be any problem occurring in the middle of the process, you are welcome to contact VilmaTech Online Support by pressing on the live chat button below for specialized technical help.

live chat

 

Manual Way to Stop Adfocus.us from Hijacking

Step1. uninstall/disable/remove extensions created on/after adfocus.us appeared.

Internet Explorer
Unfold Tools menu to select “Manage add-ons”; please then look into “More Info” for the creation date to remove/uninstall/disable the one(s) created on/after adfocus.us appeared.
remove Adfocus.us' add-on from IE

Mozilla Firefox
Select “Options” from Tools menu; enter into ‘Add-ons’ and locate ‘Plug-ins’ panel; remove/uninstall/disable the extension(s) according to creation date shown in “More Info” section.
remove Adfocus.us' add-on from Firefox

Google Chrome
Hit the spanner icon to select “Tools”; in ‘Extensions’ window, check for the creation date before removing/uninstalling/disabling the relevant extension(s).
remove Adfocus.us' add-on from Chrome

Opera
Choose “Extensions” in Opera’s menu and enter into “Manage Extensions”; remove/uninstall/disable the extension(s) according to creation date.
remove Adfocus.us' add-on from Opera

Safari

  • Unfold ‘Safari’ menu and choose ‘Preferences’; browse to ‘extensions’ tab and remove the one(s) created on/after adfocus.us appeared.

remove Adfocus.us' add-on from Safari

  • Choose “Help” in the ‘Safari’ menu to continue with “Installed Plug” option; remove the installed plug-ins related to adfocus.us hijacker according to the creation date.

installed plug-ins
 
 
Step2. disable/remove the service relevant to adfocus.us hijacker.

For Windows7/vista/XP
Use Win+R key combination to enable Run box; enter “services.msc” in and hit Enter key will you be led to System Service window; check the enabled services you didn’t see before to remove/disable the ones with “Path to Executables” directing to adfocus.us’ path.
service property

For Windows 8
Access Windows Explorer from Start screen and choose Administrative tools to continue; enter into service window through Services icon and remove/disable the service(s) with “Path to Executables” directing to adfocus.us’ path.
win8 services

For Mac OS X
Access Finder menu to choose “Services” for “Services Preferences”; navigate to “Services” on the left pane and check the service(s) on the right; non-tick the box next to the relevant service(s).
inactivate service on Mac
 
 
Step3. Rectify Hosts file to stop adfocus.us from hijacking.

For Windows

  • Enable Run dialog box with Win+R key combination.

win+r key combination

  • Enter “cmd” and hit Enter key will lead you to a black window with a line/slash flashing within.
  • At the place where the line/slash is flashing, type “ping ww41.adfocus.us” and hit Enter key will bring up its accurate IP address.

rectify host file to stop adfocus.us from hijacking

  • Note it down and paste it to the last line of Hosts file which can be found in C:\WINDOWS\system32\drivers\etc.
  • Save the file and you’ll stop adfocus.us from hijacking.

 
For Mac OS X

  • Access launchpad to hit on Finder icon.
  • Please then choose Utilities to enter Terminal window.

Mac-Finder-Terminal

  • Type “ping ww41.adfocus.us” at the place where a line/slash is flashing.
  • Hit Enter/Return key will lead you to its accurate IP address.
  • Note it down and paste it to the last line of Hosts file which can be found in /private/etc/hosts.
  • Save the file will stop adfocus.us from hijacking.

 
 

Adfocus.us Removal Tips

It can not be clearer that it is an emergency to get rid of adfocus.us browser hijacker. But the additional items brought in by the hijacker may thwart the removal as the above offered steps are exclusively tailored for adfocus.us. For more solutions to the unexpected situations, you are welcome to get one at VilmaTech Blog, or simply get online PC security service by bringing up the live chat window with the button below.

live chat

 

Defrag after Adfocus.us Removal for Better Performance

Apart from the executable files supporting adfocus.us’ unacceptable behaviors, there are data files and the like dropped for operational coordination. Generally speaking, such files are scattered around to bring about unreasonably utilized computer space. To regain the satisfactory PC performance, it is advisable to defrag disks after the complete removal of adfocus.us. Here’s the video to show how:


 

Scenario of Being Hijacked by Adfocus.us

Serving as a money-driven program, adfocus.us would seize any chance to get more. The scenario caused by the hijacker include, inter alia, bringing in additional applications. Here’s the list of unpleasant scenes observed by VilmaTech Computer Security Team:

  1. adfocus.us hijacks simply every page to deny the access to desirable URL.
  2. the hijacker would allow the installation of other extensions that could incur relentless pop-up ads.
  3. adfocus.us may lead to additional installation of freeware, shareware and even rogueware like Windows AntiBreach Module as what it is paid for.
  4. adfocus.us may result in money loss and identity theft as a consequence of being attacked.

 

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