To prevent Chrome from being redirected to another site without your knowledge, click the "Customize and Control Google Chrome" button. The button has three horizontal lines on it. Click "Settings." Click the "Show Advanced Settings" link to display more setting options. In the Privacy section, click "Enable Phishing and Malware Protection." Close the browser window. Google now displays a warning if the browser is trying to redirect you.
The Chrome Web Store also has the Remove Redirects for Google and Fix Url Links Redirect add-ons that can stop browser redirects.