If you suspect your computer is infected by malware or viruses, first of all you need to check your computer with free utilities from leading antiviruses.
Free antivirus utility
If this check with antivirus utilities revealed nothing, but the computer still behaves suspiciously, try to test it for adware, which can implement its advertising on any pages that you open. To do that you can use free software AdwCleaner. Try to remove all the adware it found.
If it didn’t help - disable all settings in the browser in which this situation occurred. Use this instructions.
If disabling of settings and extensions does not help, try to re-create shortcuts of your browsers.
Below on this page we’ve described the instructions for removing some of the most popular ad extensions.
Below are the instructions on how to disable settings and extensions for the most popular browsers.
If you use Google Chrome, read this manual.
If you use Mozilla Firefox, read this manual.
If you use the browser Opera, read this manual.
Very often, malware and adware programs install you a homepage in a very simple way - they substitute your browser shortcut on the desktop, taskbar and "Start" menu, replacing it with the advertising link.
The simplest solution in this case is to manually delete all the shortcuts and recreate them by yourself.
If instead of the home page, you always open sindex.biz, it’s most likely there was a substitution of shortcuts of your browser. Try to recreate the shortcuts to get rid of this problem.
To get rid of this software, check your computer with a free utility from Doctor Web: Dr.Web CureIt!.
What is BetterSurf?
BetterSurf - is an advertising program that is built into your browser. This program builds their ads on all the sites that you visit. Externally this ad looks quite ordinary, and you can easily not notice it among the banners posted on this site. But it can be seen as ad which "wasn’t here before". For example, on Facebook or Twitter.
To get rid of this program, use the following instructions.
If you meet a pop-up Rvzr-a.akamaihd.net, then most likely, your computer is infected with malicious adware. You can find instructions for removing it at this link.