Firefox add-on malware alert contained in SaveFrom.net - helper.

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I am a sinner.
Sep 11, 2013
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[USERGROUP=2]Registered[/USERGROUP]

I use the add-on SaveFrom.net - helper for Firefox to download videos from YouTube and other places. Well, it contains the malware Offers4u. I'm on a mac and it took me disabling all add-ons one by one to figure it out since it wasn't installed anywhere. If you've seeing that pop-up, disable SaveFrom.net - helper and see if that fixes it. I contacted Mozilla about it.