Are you getting redirected to http://At.yhs4.search.yahoo.com automaticaly when surfing the Internet? this means your web browser has got a bug which is rerouting it to commercial domains. Dont worry, but immediately remove this malware to protect your system form harms.
The http://At.yhs4.search.yahoo.com is a commercial and annoying domain, it uses browser addons and cookies which are used for collecting private information of user and to drive the user to unwanted webpages. This means if you get redirected to http://At.yhs4.search.yahoo.com, you need to fix this issue to secure your computer. Remember, At.yhs4.search.yahoo.com redirect virus is a harmful application that seems harmless but it is actually very dangerous threat which you must remove as soon as you can.
Common Symptoms of http://At.yhs4.search.yahoo.com 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 http://At.yhs4.search.yahoo.com
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 http://At.yhs4.search.yahoo.com 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 http://At.yhs4.search.yahoo.com 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 http://At.yhs4.search.yahoo.com and uninstall if it is listed.
How to delete http://At.yhs4.search.yahoo.com 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\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
Open then following folders or search for http://At.yhs4.search.yahoo.com in My Computer and delete if found files associated with this bug.
http://At.yhs4.search.yahoo.com removal tool
It is always good and safe to use an automatic software to detect and eliminate viruses and malwares. The programs below are best for removing malwares.