If your browser permanently redirects your search queries via .com you probably know how annoying it is. Portaldosites is a browser hijacker that often enters computers illegally and makes your browser to show portaldosites.com as the default start page, instead of a commonly known blank one. Obviously, the issue of browser redirection is one of the most popular and common these says. Millions of users would like to know the true information on how to fix their browser to avoid such annoying redirections in the future.

portaldosites.com  How to remove portaldosites.com redirection of your browser

In some cases your browser may be hijacked with portaldosites.com because of your own fault. This happens when you download or install some software that is bundled with the installer of Portaldosites hijacker. So, this actually means that you should be more careful when you install anything into your system. Always choose the custom installation instead of the standard one. This will help you avoid all unwanted additional installs that aren’t needed much for your system.

If you want to get rid of portaldosites.com as your start page you’re recommended to accomplish the set of manual steps. Running security software only will not help you in this case. Of course, you should run security application, but first of all you must implement these manual steps ahead of time. Please follow the guidelines stipulated below to set your system free of portaldosites.com hijacker.

General recommendations on fixing browser redirection problem:

  • Check the Local Area Network (LAN) settings of your computer
  • Check whether DNS settings have been modified by the redirect virus
  • Check your Windows HOSTS file contents
  • Check the add-ons of your browser. Remove unknown or suspicious add-ons available (installed)
  • Run Kaspersky TDSSKiller (TDSS Killer) tool to remove malware belonging to the clan of Rootkit.Win32.TDSS
  • Scan your computer with reliable anti-virus software
  • Consider using CCleaner to delete unwanted system/temp files and browser cache
  • The last but not the least, reset your Router back to the factory default settings

Detailed recommendations on fixing browser redirection problem:

Check the Local Area Network (LAN) settings of your computer

a) Click “Start” and go to “Control Panel“.

start control panel How to remove portaldosites.com redirection of your browser

b) Select “Network and Internet“.
network and internet How to remove portaldosites.com redirection of your browser

c) Select “Internet Options“.
internet options How to remove portaldosites.com redirection of your browser

d) Click on “Connections” tab, then click “LAN settings” button.
connections lan settings How to remove portaldosites.com redirection of your browser

e) Uncheck (remove) the checkbox under “Proxy server” option and press OK.
proxy How to remove portaldosites.com redirection of your browser

Check whether DNS settings have been modified by the redirect virus

a) Click “Start” and go to “Control Panel“.

start control panel How to remove portaldosites.com redirection of your browser

b) Select “Network and Internet“.
network and internet How to remove portaldosites.com redirection of your browser

c) Select “Network and Sharing Center”.
network and sharing center1 How to remove portaldosites.com redirection of your browser

d) Click on “Local Area Connection”.
local area connection How to remove portaldosites.com redirection of your browser

e) Select “Properties”.
lan properties How to remove portaldosites.com redirection of your browser

f) Select “Internet Protocol Version 6 (TCP/IP V6)” and click “Properties” button.
tcp ip properties How to remove portaldosites.com redirection of your browser

g) Choose “Obtain DNS server address automatically” and click OK.
obtain automatically How to remove portaldosites.com redirection of your browser

Check your Windows HOSTS file contents

a) Go to: C:WINDOWSsystem32driversetc.

hosts file location How to remove portaldosites.com redirection of your browser

b) Double-click “hosts” file to open it. Choose to open with Notepad.
hosts file How to remove portaldosites.com redirection of your browser

c) The “hosts” file must look the same as in the image below. There should be just one line: 127.0.0.1 localhost in Windows XP and 127.0.0.1 localhost ::1 in Windows Vista/Seven. If there are more, then remove them and apply changes.>

Important! You may also reset your HOSTS file settings using the Tool of Loaris Trojan Remover as shown at the image below:

tools reset hosts How to remove portaldosites.com redirection of your browser

Check the add-ons of your browser. Remove unknown or suspicious add-ons available (installed)

a) Click “Start” and go to “Control Panel“.

start control panel How to remove portaldosites.com redirection of your browser

b) Select “Network and Internet“.
network and internet How to remove portaldosites.com redirection of your browser

c) In the section “Internet Options” select “Manage browser add-ons“.
manage add ons How to remove portaldosites.com redirection of your browser

d) Uninstall unknown or suspicious Toolbars or Search Providers.
add ons list How to remove portaldosites.com redirection of your browser

Run Kaspersky TDSSKiller (TDSS Killer) tool to remove malware belonging to the clan of Rootkit.Win32.TDSS

a) Download and run TDSSKiller from here.
b) Wait for the scan and disinfection process to be over. Close all programs and press “Y” key to restart your computer.

tdss rootkit removal How to remove portaldosites.com redirection of your browser

Scan your computer with reliable anti-virus software


download How to remove portaldosites.com redirection of your browser

The last but not the least, reset your Router back to the factory default settings

Keep in mind that this step is optional and should be completed only if you have followed all the above recommendations and you still have the redirect virus on your computer. Then you should flush DNS cache:

a) Click “Start” and in the open space write down “run“.

start run How to remove portaldosites.com redirection of your browser

b)Type in “cmd” without quotation marks.
run cmd How to remove portaldosites.com redirection of your browser

c) In a new window please type “ipconfig /flushdns” without quotation marks and press Enter.
flushdns How to remove portaldosites.com redirection of your browser

Please do not hesitate to get in touch with us at any time of your preference if you need any help on our part of if you experience any problems. We hope that this information has been beneficial to you.