How to Remove Us.yhs4.search.yahoo.com, Latest Browser Hijack Virus Removal

Us.yhs4.search.yahoo.com (http://us.yhs4.search.yahoo.com/) is not a reputable domain which has been popularly recognized as a browser hijack virus designed by cyber criminals for illegal purpose. Most commonly Us.yhs4.search.yahoo.com virus sneaks into a targeted machine with dishonest approaches without user’s authorization or knowledge. To be specific, this type of browser hijack virus is always bundled with some “free” applications’ downloads. When users download those malignant programs, the Us.yhs4.search.yahoo.com virus could be installed and executed on compromised computer automatically. Moreover, Us.yhs4.search.yahoo.com may be propagated by some malicious websites or other standard web pages that have been assaulted by the developers of virus. In addition, computer users may infected with with Us.yhs4.search.yahoo.com when they open unknown attachments or links embedded in a SPAM email.

Once being installed, it will quickly insert its vicious codes into system for the sake of modifying default web browser configuration. Thereupon Us.yhs4.search.yahoo.com virus may change the original homepage or start-up page to its malicious URLs such as, http://us.yhs4.search.yahoo.com/yhs/search. Tricky as Us.yhs4.search.yahoo.com virus is, it may also provide a bogus search engine by  embezzling the name of legitimate "Yahoo" to cover up its danger. Besides, the virus may redirect users to random domains while users do search online, which have nothing to do with the original ones. PC users worries about the infection because it may even make use of security vulnerabilities to steal user’s confidential data online by tracing and recording search history, and then reveal it to the third parities. As a result, users are obliged to remove Us.yhs4.search.yahoo.com browser hijack virus once they notice the existence of it in order to end up its harmful symptoms.

Us.yhs4.search.yahoo.com Auto Removal:

Well, it can easily tell that antivirus software has very low chance to get rid of Us.yhs4.search.yahoo.com. This threat protects itself by using the latest advanced technology to escape various antivirus detection and removal so even you have downloaded a bunch of antivirus software but with no good result.

Us.yhs4.search.yahoo.com Manual Removal:

Us.yhs4.search.yahoo.com has created a lot of registry entries and files to the system. To completely remove Us.yhs4.search.yahoo.com, you must find out all the malicious things' locations and delete them. But please be aware that manual removal is not an easy job because Us.yhs4.search.yahoo.com encrypts its files using Random names and makes them invisible sometimes. You need to have expert skills dealing with registry editor, program files, dll. files, processes. Otherwise, any mistake occurs could make your situation go from bad to worse.

Here is the step by step guide:

1.    Remove Us.yhs4.search.yahoo.com from browsers.

Internet Explorer:

• Go to Tools -> ‘Manage Add-ons’;
• Choose ‘Search Providers’ -> choose ‘Bing’ search engine or ‘Google’ search engine and make it default;
• Select ‘Search Results’ and click ‘Remove’ to remove it;
• Go to ‘Tools’ -> ‘Internet Options’; select ‘General tab’ and click website, e.g. Google.com. Click OK to save changes.

Google Chrome:

• Click on ‘Customize and control’ Google Chrome icon, select ‘Settings’;
• Choose ‘Basic Options’;
• Change Google Chrome’s homepage to google.com or any other and click the ‘Manage Search Engines…’ button;
• Select ‘Google’ from the list and make it your default search engine;
• Select ‘Search Result’ from the list to remove it by clicking the ‘X’ mark.

Mozilla Firefox:

• Click on the magnifier’s icon and select ‘Manage Search Engine…’;
• Choose ‘Search Results’ from the list and click ‘Remove’ and OK to save changes;
• Go to ‘Tools’ -> “Options”. Reset the startup homepage or change it to google.com under ‘General tab;

2.    Remove leftover and registry files of Us.yhs4.search.yahoo.com.

a.    Get rid of the associated files of Us.yhs4.search.yahoo.com.

%Temp%\random.exe
%AllUsersProfile%\Application Data\random
%AllUsersProfile%\Application Data\~random
%AllUsersProfile%\Application Data\.dll HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Random “.exe”

b.    Clean up all the registry entries of Us.yhs4.search.yahoo.com.

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\[RANDOM CHARACTERS].exe
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Random
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run\Random.exe

Why do I need to remove Us.yhs4.search.yahoo.com

1.    Us.yhs4.search.yahoo.com will constantly redirect your internet connection and tell you that you are browsing unsafely.
2.    Your computer is acting slowly. Us.yhs4.search.yahoo.com slows down your system significantly. This includes starting up, shutting down, playing games, and surfing the web.
3.    Searches are redirected or your homepage and desktop are settings are changed. This is a symptom of a very serious Us.yhs4.search.yahoo.com infection.
4.    Us.yhs4.search.yahoo.com will shut down your other anti-virus and anti-spyware programs. It will also infect and corrupt your registry, leaving your computer totally unsafe.
5.    You are getting pestered with pop ups. Us.yhs4.search.yahoo.com infects your registry and uses it to launch annoying pop up ads out of nowhere.

Please be aware that manual removal of files and registry entries is very effective to get rid of this annoying threat Us.yhs4.search.yahoo.com. Anyhow, it requires skills and experience, if any wrong operation or even any deviation from the instructions during the manual removal could result in irreparable system damage. If you meet trouble while removing Us.yhs4.search.yahoo.com browser hijack virus, you may ask help from the recommended VilmaTech 24/7 Online Experts for further solution.