A lot of people lately have been coming across this problem, and I feel it's time for a tutorial on how to stop it. If you have any questions, comments, or concerns feel free to post them below![/center]

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The behavior you see when searching from Google, is consistent with malware on your computer. The cybercriminals are able to develop processes in which websites are hacked and subsequently cause innumerable PCs to become infected. The malware that ends up on your computer can be coded in such a way that it only works with certain search engines, or certain browsers. The malware changes constantly and a product that might detect and remove it today may not work for tomorrow's variation of the same type thing.

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First, use anti-spyware software to detect and remove malware from your computer


The following programs can remove the most common malware. You may need to try more than one to catch every instance of malware on your computer. Make sure to use the latest versions of these programs.

• Malwarebytes
  
• Google Pack
  
• Mac Scan
  

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Practice safe browsing to avoid malware

To prevent malware from infiltrating your computer in the future, follow these general best practices:

• Upgrade your computer to use the latest operating systems and software.
  
• Turn on automatic updates for your operating system.
  
• Turn on automatic updates for your programs. Regularly check for updates for programs that don't have automatic update functionality, such as Adobe Flash.
  
• Don't click on links you don't know the destination of.
  
• Don't download email attachments from anyone you don't know.
  
• Sign in to user accounts with limited permissions on your computer. This lessens the ability of malware to make system-wide changes to your computer.
  
• Install a firewall and antivirus software, ensuring automatic updates are enabled.
  
• If you use an email program on your computer to send and receive messages, install spam filtering software. Many email programs also come with built-in spam filters.
  

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Quote:Report malware

If you feel you were deceived when you installed a program that creates popups or modifies your browser, you may want to file a complaint at StopBadware.org. Additionally, you may want to contact the Federal Trade Commission (FTC), which handles complaints about deceptive or unfair business practices in the U.S. To file a complaint, do one of the following:

• Visit https://www.ftccomplaintassistant.gov/
  
• Call 1-877-FTC-HELP
  
• Write to: Federal Trade Commission, CRC-240, Washington, D.C. 20580
  

If your complaint is against a company that's outside the United States, visit http://www.econsumer.gov

Google wants to know if you are having this problem so report it if you can. Most of this came from Googles support, if you need further assistance please contact them or check out their help Forums here.