Remove viruses from Chrome and Firefox when slow or with too much advertising

Viruses or malware affecting computers can alter the behavior of browsers which, when opened, open a new page relating to a site never seen before and which, when doing a search, use another search engine instead of using Google. where the results are mostly sponsored links and advertisements.
This behavior of Chrome, Firefox, Internet Explorer or other browsers also occurs when a new program is installed that puts a particular plugin or extension.
In this case, we are not talking so much about viruses as about adware or " browser hijacked", ie hijacked, by external software to ensure that the user is forced to see certain websites.
Adware and browser hijackings can slow down your browsing speed and, very often, lead to the installation of real malware.
Whenever the browser behaves oddly, it displays large advertisements in places where there shouldn't be (like on Facebook or on Google), when the home page has changed by itself, when every time you click on a link it also opens a tab with a new site that has nothing to do (like Sweetpage's), if there are frequent pop-up ads and if redirects to malicious sites occur, follow this guide to remove the virus from Chrome, Firefox and Internet Explorer .
The procedure for removing viruses or adware from Chrome, Firefox and Internet Explorer is roughly the same.
First of all, it may be that the virus program has hijacked all the browsers installed on your computer.
If it is not a real virus but only a benevolent extension (which has been installed unwittingly by deception), just go to the Windows Control Panel open the program uninstaller and remove the ones that you do not want. know or those who smell of advertising stuff.
If you don't know what to remove, open Chrome, IE or Firefox, press the menu button at the top right and open the add-ons section.
From here it should be easier to identify harmful extensions, especially because they are present in all browsers with the same name.
Then remove them from the various browsers and then also from the list of programs installed on the PC.
Once the virus extension has been eliminated, it is necessary to take care of its effects and to return the browser as it was before.
For example, the default search engine or the home page may have been changed, or a proxy that redirects traffic may have been set.
For all these things, you can read the guide to restore settings in browsers modified by malware, adware and toolbar .
NOTE: With Chrome you can use the Cleanup tool to remove malware from your PC .
Although things will now seem markedly improved, this is almost always not enough because the virus could still remain in memory, hidden.
To clean up Chrome, Firefox, Internet Explorer and all the browsers that you use you must now do a good scan with the program, now become super popular and indispensable, ADWCleaner, specialized in the removal of adware and PUP ( potentially unwanted program ).
Download ADWCleaner from the official website and not from others because there are around modified versions that are completely different.
Before starting AdwCleaner, close all open programs and especially Internet browsers.
Open ADWcleaner (right click on it to run it as administrator) and start the scan to remove all the problems found with the Clean button.
To clean your computer of the tiniest adware, you will be prompted to restart your computer.
If ADWCleaner has found many items to clean up, there may still be a virus on your computer .
To rest assured it is therefore worth following the guide to remove malware and viruses from your computer by first doing a quick scan with the free program Malwarebytes Antimalware and then with a further scan through the Hitman program, which is paid, but can be used for free for a month.
Ideally these two programs should be used by starting the computer in safe mode.
Hitman Pro instead starts in Force Breach mode by holding down the left CTRL key when double clicking on Hitman Pro.
This way all nonessential processes will be stopped, including malware.
The most common way to fall victim to a browser hijack or an adware is to download and install a free program without looking at what you are doing.
By always clicking Next, the sponsors accompanying that program are accepted, among which there is always the extension that changes the basic settings of the browsers.
As already learned, to install a freeware program without additional sponsor it is always necessary to always choose the custom or custom procedure and look at each screen of the installation process and deselect the various additional programs that are "recommended".
Another tip is to pay attention to the misleading use of the " Decline " and " Avanti " buttons, which are often willingly reversed or have the opposite effect of what you think.

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