How to remove Nation Advanced Search virus

The Nation Advanced Search virus is a deceptive browser hijacker which is used for promoting a bogus search engine “Nation Advanced Search”. Just like other hijackers, this malware will access your computer maliciously and then it will alter your current Internet settings without letting you notice. Once it has taken over your system, your browser (Firefox, google Chrome, Internet explorer or even Safari) will keep redirecting you to Nation Advanced Search website whenever you try to use Google search. The redirect to that malicious site will also happen when you go to StartPage or even when accessing facebook or youtube account. This is due to unauthorized change in your HOSTS file which controls your browser addresses. Anyhow, with the passage of time, the Nation Advanced Search malware will bring spam content and commercial advertisements that may pop-up on your screen. The ads by Nation Advanced Search virus are usually suspicious and linked to further harmful websites. Apart from this, your web activities are being monitored and your personal information is being collected by Nation Advanced Search virus. It is recommended to uninstall Nation Advanced Search toolbar or any of its add-on attached to your machine.
Common Symptoms of Nation Advanced Search infection:
This kind of malwares usually change your Homepage, Search provider, Desktop Background.
They can display bunch of unstoppable pop-ups advertisements.
Computer performs slower then usual, browser may crash over and over.
Strange websites are automatically opened on the computer after a frequent interval.
Disabled Folder options, Task manager, Registry editing tools.
Advertisements from stranger companies start to appear out of nowhere.
Unexpected browser behaviors such as URL/link redirects.
Unwanted and unknown Plugin/extension or add-ons attached with browser.
Useless shortcuts on desktop or creepy websites added to favorites/bookmarks without your knowledge.


How to uninstall Nation Advanced Search
Remove toolbars, plugins, extensions, add-ons
Internet Explorer and Mozilla Firefox users:
Go to TOOLS and then click MANAGE ADD-ON, From there, select Extensions, Toolbars and remove the Nation Advanced Search if found. Make sure Google is set as default search Provider.

Google Chrome Users:
Click SETTINGS icon and select SETTINGS, then open Extensions, toolbar, search provider options, remove the Nation Advanced Search if listed there. Make sure Google is set as default search Provider.
Uninstall from Control Panel
Open CONTROL PANEL, then ADD/REMOVE PROGRAMS or “Programs and Features”, now lookup for Nation Advanced Search and uninstall if it is listed.
How to delete Nation Advanced Search manually:
If the malware did not go away after uninstall procedure, try these steps. Please note, the manual removal method is a bit complex and it can go wrong if you perform its tasks incorrectly. It is advised to run an automatic virus removal software for safe and easy solutions. However, if you are good with Manual removal, do the steps below.
Possibly corrupt registry keys:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “CertificateRevocation” = 0
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System “DisableTaskMgr” = 1
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system “DisableTaskMgr” = 1
Delete files:
Open then following folders or search for Nation Advanced Search in My Computer and delete if found files associated with this bug.
C:\program files
%AllUsersProfile%\Application Data\
%AllUsersProfile%\

How to remove Defaultsear.ch redirect virus

Defaultsear.ch virus is a recently noticed browser hijacker that uses unfair method to promote http://Defaultsear.ch search engine. the Defaultsear.ch malware comes together with free software downloaded form Internet, it is packed as a search toolbar or another add-on with the software. Once installed, this little bug will set the Defaultsear.ch as homepage of your browser and also adds that website to be your default search engine. Hence, you,ll see Defaultsear.ch appears automatically when you try to find something on Google.com. The virus will either redirect you to www.Defaultsear.ch or it will replace the Google search results with bogus webpages full of commercial ads. We have traced and mentioned a lot of browser hijackers in previous posts, if you are new, you should know that Defaultsear.ch virus seems harmless but infact it is extremely dangerous, it is used to spread Spam content and to steal personal user information which is lately misused by hackers. You should immediately take step to uninstall Defaultsear.ch redirect virus to protect your system and privacy.
Common Symptoms of Defaultsear.ch infection:
This kind of malwares usually change your Homepage, Search provider, Desktop Background.
They can display bunch of unstoppable pop-ups advertisements.
Computer performs slower then usual, browser may crash over and over.
Strange websites are automatically opened on the computer after a frequent interval.
Disabled Folder options, Task manager, Registry editing tools.
Advertisements from stranger companies start to appear out of nowhere.
Unexpected browser behaviors such as URL/link redirects.
Unwanted and unknown Plugin/extension or add-ons attached with browser.
Useless shortcuts on desktop or creepy websites added to favorites/bookmarks without your knowledge.


How to uninstall Defaultsear.ch
Remove toolbars, plugins, extensions, add-ons
Internet Explorer and Mozilla Firefox users:
Go to TOOLS and then click MANAGE ADD-ON, From there, select Extensions, Toolbars and remove the Defaultsear.ch if found. Make sure Google is set as default search Provider.

 

Google Chrome Users:
Click SETTINGS icon and select SETTINGS, then open Extensions, toolbar, search provider options, remove the Defaultsear.ch if listed there. Make sure Google is set as default search Provider.
Uninstall from Control Panel
Open CONTROL PANEL, then ADD/REMOVE PROGRAMS or “Programs and Features”, now lookup for Defaultsear.ch and uninstall if it is listed.
How to delete Defaultsear.ch manually:
If the malware did not go away after uninstall procedure, try these steps. Please note, the manual removal method is a bit complex and it can go wrong if you perform its tasks incorrectly. It is advised to run an automatic virus removal software for safe and easy solutions. However, if you are good with Manual removal, do the steps below.
Possibly corrupt registry keys:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “CertificateRevocation” = 0
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System “DisableTaskMgr” = 1
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system “DisableTaskMgr” = 1
Delete files:
Open then following folders or search for Defaultsear.ch in My Computer and delete if found files associated with this bug.
C:\program files
%AllUsersProfile%\Application Data\
%AllUsersProfile%\