Us.yhs4.search.yahoo.com Redirect Virus – Remove Search Redirect Virus from Macs and PCs

Symptoms of Us.yhs4.search Infection

• Redirect to us.yhs4.search.yahoo.com happens randomly.
• Us.yhs4.search.yahoo.com hijacks default homepage without showing its indication in "default search engines" section of browser settings.
• Searching is hijacked by us.yhs4.search.yahoo.com.
• Most search results given by us.yhs4.search.yahoo.com are not related to search queries.
• Both computer and browsers become slow in response.

Dangers by Us.yhs4.search.yahoo.com Redirect Virus

Us.yhs4.search.yahoo.com is a piece of add-on, that’s why anti-virus program and other security utilities will not give away alert warning when us.yhs4.search redirect issues happen. However, such add-on is introduced and supported by Trojan that is good at exploiting vulnerability, loss or theft of data, binding vicious code onto system items, causing system harms and opening up backdoor allowing unauthorized access.


The dangers of having us.yhs4.search.yahoo.com is clearly unveil. However, with a URL name related to Yahoo and a similar interface, many PC users will not doubt in using it continuously. In fact, PC users who have been affected by us.yhs4.search for a couple of days have their information on online habits exposed to other spammers. That’s why there are so many surfer still get attacked by virus when accessing famous sites as a result of not remove tiny piece of vicious item immediately to allow online information stolen unwittingly.

To keep us safe now and forever, it is recommended to remove us.yhs4.search.yahoo.com as well as any other suspicious and useless items from a computer as soon as possible. Remember that what us.yhs4.search.yahoo.com redirect virus changes are not only browser settings, but also system configuration. One should stick to the below steps and remove us.yhs4.search.yahoo.com completely. Should there be any remnant, it will come back again. If failure is encountered because of incomplete removal or unexpected computer issues, you are welcome to get professional help instantly from VilmaTech Online Support.

Steps to Remove Us.yhs4.search.yahoo.com from Windows and Mac

Step one 

Remove startup item of us.yhs4.search.yahoo.com redirect virus.

Windows 8

• Hover mouse over the border of Start Screen
• Type “Task” on the search charm bar that appears to hit Enter key.
• Hit Startup tab.
• Search and select startup items of us.yhs4.search.yahoo.com redirect virus and click ‘Disable’.

Windows 7/Vista/XP

• Hold Win key and R key together.
• Type ‘MSCONFIG’ on the pop-up window and hit Enter key.
• Check startup items of us.yhs4.search.yahoo.com redirect virus and click ‘Disable all’.

Step two

Modify configurations back to normal on infected browser manually to remove us.yhs4.search.yahoo.com redirect virus.

Internet Explorer:

• Go to Tools.
• Select Internet option at the bottom of the drop down list.
• Select General tab to

1. Empty out browse history.
2. Select ‘Search’ section to ‘Manage Add-on’ window and heck ‘Toolbars and Extensions’ and then ‘Search Providers.
3. Locate ‘Tabs’ section to ‘Tabbed Browsing Settings’ and uncheck ‘Always switch to new tabs when they are created’ before pressing ‘OK’.

Mozilla Firefox:

• Click on Tools menu.
• Enter Manage Add-ons.
• Modify settings under Extensions tab and Plugins tab respectively.

Google Chrome

• Click on ‘Customize and control’ Google Chrome icon.
• Select ‘Settings’.
• Manage ‘Extension’.

Opera

• Open up Opera and make it as the current browser.
• Press and hold Alt+P key at once to initiate a new tab to modify.
• Locate “Search” section and remove us.yhs4.search.yahoo.com redirect virus from “manage search engine” option.
• Browse to Privacy and Safety on the left pane to locate “Cookie” which is on the right pane.
• Click on “all cookies and website data” button there to remove all cookies as recommended.

Safari

• Click once on Safari menu and choose ‘Reset Safari’.
• Tick all given options on the pop-up window and press ‘Reset’ to confirm the change.

Step three

• Remove all suspicious files under C: Windows and System32 to thoroughly remove us.yhs4.search.yahoo.com redirect virus.
• Delete all executable files identical to systematic ones, such as svchost.exe and winlogon.exe in sub-directories under C: Windows.

Step four

Modify database

Windows 8
Type ‘regedit’/‘regedit.exe’ on search charm bar and hit Enter key.

Windows 7/XP/Vista

• Hold Win key and R key together to launch Search/Run box.
• Type ‘regedit’ and hit Enter key.

After enter into database, follow the steps below:

For IE users:

• navigate to Explorer Bars, Extensions respectively under

HKEY_CURRENT_USER\ Microsoft\Internet Explorer\

to find and select items related to us.yhs4.search.yahoo.com redirect virus and then right click on selected item to delete it.


For Google Chrome users:

• navigate to Clients, ClientState and ClientStateMedium respectively under

HKEY_LOCAL_MACHINE\SOFTWARE\Google

to find and select items related to us.yhs4.search.yahoo.com search redirect virus and then right click on selected item to delete it.

• navigate to ClientState under

HKEY_CURRENT_USER\Software\Google\Update

to find and select items related to us.yhs4.search.yahoo.com redirect virus and then right click on selected item to delete it.

• navigate to Common under

HKEY_CURRENT_USER\Software\Google\

to find and select items related to us.yhs4.search.yahoo.com redirect virus and then right click on selected item to delete it.


For Mozilla Firefox users:

• navigate to Extensions under

HKEY_CURRENT_USER\ Microsoft\Mozilla\ Firefox

to find and select items related to us.yhs4.search.yahoo.com redirect virus and then right click on selected item to delete it.

• navigate to

HKEY_CURRENT_USER\ Microsoft\MozillaPlugins

to find and select items related to us.yhs4.search.yahoo.com redirect virus and then right click on selected item to delete it.

• navigate to

HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins

to find and select items related to us.yhs4.search.yahoo.com redirect virus and then right click on selected item to delete it.


For Opera users:

• Browse to 

HKEY_CURRENT_USER\Software\Opera Software

to find and select items generated by us.yhs4.search.yahoo.com redirect virus and then right click on selected item to delete it.

Us.yhs4.search.yahoo.com is a redirect virus regardless of its URL and interface seem to have something to do with Yahoo. Actually, such browser malware manages to expose online habits to other spammers so that they initiate virulent attack to most-visited sites for more victims out of whom they gain profits. If you don’t care about your information security, fine, but you should not be so selfish that make other surfers be attacked in the future and ignore poor PC performance. Follow the above offered steps and remove us.yhs4.search.yahoo.com completely. If you encounter some issues that you don’t know how to deal with, you are welcome to live chat with VilmaTech Online Support for on-demand help.

Reference: http://blog.vilmatech.com/us-yhs4-search-yahoo-com-search-redirect-virus-latest-removal-guideline/