My web browsers like Internet Explorer and Firefox do not work regularly. What is wrong with my computer? Actually my default homepage was changed to an unknown site called Oursearches toolbar. Now the whole computer works extremely slow. And my network is disconnected every once in a while. I am quiet uncomfortable with it and my antivirus seemed unable to delete it. How to eliminate this annoying thing and make my computer back to normal?
Oursearches toolbar is classified as an adware program which is able to distribute numerous ads.It adds as a extension for browser and provides online advertising platform to gain profit for its creator. This adware has the ability to forcibly reroute the default homepage to its website and make it as default search engine by changing the registry entries and start-up items. Every time you launch the browser such as Internet Explorer or Firefox, you will find your homepage has been redirected to Oursearches toolbar. You will encounter traffic as the annoying sponsored link, coupon, banner and targeted ads are displayed on your screen. And those pop-ups are mainly unwanted links related to questionable websites which offer to download other potentially unwanted programs. Actually it pretends to be a useful and legitimate program and claims to enhance user-browsing protection by keeping your computer free from the interference of infections on malicious websites. Don’t be tricked by it. Actually you will find new toolbar and application in your system after its installation.
Oursearches toolbar is able to add its malicious files to your system to occupy a large amount of system space. And as a result, it makes the computer suffer from a degraded performance considerably. It replicates itself and corrupts files as well as legitimate applications on your computer. What is more, it can automatically disable the administrative tools like regedit, gpedit.msc and many more so as it can’t be removed later on. This adware can get inside your computer easily as it comes with free downloads and users will find there are many additional options during the installation procedure. As a matter of fact, it can bypass most antivirus program’s detection and removal. If your computer has already been infected by Oursearches toolbar, removal should be executed on time before this nasty stuff damages your system seriously.
1. It can not only change your web pages, but also alter other settings to add toolbars, pop-up advertisements, and bookmarks that you did not create.
2. It can modify the homepage settings of your web browser, more commonly by reducing your internet security options. And the worse thing is it prevents you from changing them back.
3. New toolbars or Favorites are installed that give you icons and links to web pages that you don’t want.
4. It may block you from visiting certain website you’d like to visit and show an error page instead.
5. It will display constant pop-up ads, sometimes in such large amounts that you are not able to close neither the ads nor the browser.
Oursearches toolbar hijacks your browser to redirect your web search results and changes the homepage and browser settings. To completely uninstall it from an infected system, manual removal is the first choice because sometimes antivirus software cannot pick up the exact computer threat timely or remove it permanently. Now most browser hijackers are quite similar to spyware and adware threats and therefore cannot be removed with the help of popular antivirus products. Users can follow the manual guide here to get rid of this adware completely.
1. Clear all the cookies of your affected browsers.
Click on the “Tools” menu and click the “Clear browsing data” button.
Select “Delete cookies and other site data” to delete all cookies from the list.
Open Internet explorer window
Click the “Tools” button
Point to “safety” and then click “delete browsing history”
Tick the “cookies” box, then click “delete”
Click on Tools, then Options, select Privacy
Click “Remove individual cookies”
In the Cookies panel, click on “Show Cookies”
To remove a single cookie click on the entry in the list and click on the “Remove Cookie”
To remove all cookies click on the “Remove All Cookies” button
2. End the malicious process from Task Manager.
Once Oursearches toolbar adware is installed, computer user may notice that CPU usage randomly jumps to 100 percent. At any time Windows always has many running processes. A process is an individual task that the computer runs. In general, the more processes, the more work the computer has to do and the slower it will run. If your system’s CPU spike is constant and remain at a constant 90-95%, users should check from Task Manager and see if there is a suspicious process occupying the system resources and then end it immediately.
(The name of the virus process can be random.)
Press Ctrl+Shift+Esc to quickly bring up Task Manager Window：
3. Show hidden files and folders.
Open Folder Options by clicking the Start button, clicking Control Panel, clicking Appearance and Personalization, and then clicking Folder Options.
Click the View tab.
Under Advanced settings, click Show hidden files and folders, uncheck Hide protected operating system files (Recommended) and then click OK.
4. Remove all the malicious files related to Oursearches toolbar manually.
C:\Documents and Settings\LocalService\Local Settings\Temporary Internet Files\*.exe
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main StartPage
Oursearches toolbar is created by the cyber criminals to pursue their commercial purpose. Once this vermin got installed, it can generate various intrusive online advertisements, annoying you greatly. If you click these generated ads carelessly, it is likely to lead to high-risk infections to your computer. In addition, this program tracks user’s Internet browsing activity by recording various data such as logins, usernames, accounts and etc. And if the adware is not deleted promptly, it may help other PC threats like Trojans, spyware, malware and etc to damage your system with a deceptive distribution method called ‘bundling’. Actually, this adware can hide itself crafty to bypass the antivirus programs. If you want to eliminate it, you should remove it in the effective manual way.
Published by & last updated on November 25, 2014 6:30 am