Why does google.com have "ig?hl=en" after it?

My browser never showed this before, but recently google has began to show "ig?hl=en" after it. If I go to www.google.com it now says "www.google.com/ig?hl=en" in the browser. I had a virus recently that screwed up my whole computer and now that I'm back on I'm seeing this... show more My browser never showed this before, but recently google has began to show "ig?hl=en" after it.

If I go to www.google.com
it now says "www.google.com/ig?hl=en" in the browser.

I had a virus recently that screwed up my whole computer and now that I'm back on I'm seeing this extension. Just wondering why it's there now.
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