osx - Unwanted redirects in chrome

08
2014-07

akh2103

When I type a search in chrome on OS X it automatically does another search after I hit enter. This seems like malware. I found a few extensions in chrome that I did not install -- and I removed them. Many of the extensions listed in this article were in my chrome http://botcrawl.com/how-to-remove-amazon-shopping-assistant-by-spigot/

I uninstalled chrome by dragging the application to the trash -- then reinstalled.

I ran a scan with sophos that did not find any malware.

What else can I do to fix this problem? Is there a chrome setting that might be causing this problem? Chrome searches for hbo go after I hit enter.

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Sathya

I had built a Chrome extension which does this.

^{Note: I built this for just 2 sites - just for the heck of it - by no means it's professional quality™. Please don't flame me for crappy code :)}

Edit: Updated to manifest v2, which brings in certain additional restrictions.

manifest.json

{
  "name": "URL Redirect",
  "version": "0.2",
  "description": "Checks URL and redirects as required.",
  "background": { 
     "page":"bg.html"
     },
   "manifest_version": 2,
   "content_scripts": [
   {
     "matches": ["http://*/*", "https://*/*"],
     "js": ["content.js"]
   }
   ],
  "permissions": ["tabs"]
}

bg.html

<html>
  <script src="redirect.js"></script>
</html>

redirect.js

chrome.extension.onRequest.addListener(function(request, sender) {
        chrome.tabs.update(sender.tab.id, {url: request.redirect});
    });

content.js

var pattern=/\bBlocked/;
var viewtext_base_url = "http://viewtext.org/article?url=";
var newurl;
if (pattern.test(window.document.title)) // if it matches pattern defined above
{
  newurl = viewtext_base_url + encodeURIComponent(window.location.href);
  chrome.extension.sendRequest({redirect: newurl}); // send message to redirect

}

To install this, create files with filenames as mentioned above the codeblock.

enter image description here

Once all 3 files are created, Click on Chrome Menu → Tools → Extensions. Click the "+" on Developer Mode. Click on Load Unpacked extension and point to the directory where the files are stored.

enter image description here