System restore won't fix your issue. Your infected with Malware
Grab one of these malware programs. They are both really good. I use Malewarebytes
Ad-Aware Free Antivirus+
Malwarebytes Anti-Malware Free
Have that and still get malware everywhere.
What version of Windows are you running?
Do you have a clean backup?
Do you know how to get into safe mode?
When you do get your computer clean, you need to make a clean backup.
What programs have you scanned your computer with?
What viruses have popped up on your malware or anti-virus scanner?
Do you know the longer you run your computer without fixing it, the more damage a virus can cause?
Do you have external backups?
Have you run add/remove programs? Find out what programs are installed.
Do you by any chance have a free toolbar installed on your computer? In other words, if you use it to search with, it sends you to sites based on the words you use and the sites generate the content that you are looking for and these free toolbars get you to visit a site that will infect you.
The last tip for you is to get a paid version of Malwarebytes becase it offers protection.
I click on the tab that says "Protection" and I have the following enabled:
-Enable File System Protection
-Enable Malicious Website Protection
Those are the two most important. I have the whole page checked:
-Start protection module with Windows.
-Start file execution blocking when protection module starts.
-Start Malicious Website blocking when protection module starts.
-Automatically quarantine file system threats detected by the protection module.
I have it set to show alerts when it happens.