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What do I do if I dowloaded a false update for firefox?

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I was browsing and then a firefox update came up and I clicked to download it. The page looked just like the Mozilla page. Anyway, I downloaded it and now I have malware. How can I fix this?

I was browsing and then a firefox update came up and I clicked to download it. The page looked just like the Mozilla page. Anyway, I downloaded it and now I have malware. How can I fix this?

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Install, update, and run these programs in this order. (Not all programs detect the same Malware.) They are all free for personal use, but some have limited functionality in the "free mode" - but those are features you really don't need to find and remove the problem that you have.
Note: If your Malware infection is bad enough and you are mis-directed to URL's other than what is posted, you may have to use a different PC to download these programs and use a USB stick to transfer them to the afflicted PC.


Malwarebytes' Anti-Malware - http://www.malwarebytes.org/mbam.php
SuperAntispyware - http://www.superantispyware.com/
AdAware - http://www.lavasoftusa.com/software/adaware/
Spybot Search & Destroy - http://www.safer-networking.org/en/index.html
Windows Defender: Home Page - http://www.microsoft.com/windows/prod.../default.mspx