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I have Ubuntu 13.04 and Firefox 24. Lately I'm having this issue on Firefox, some ads pages like "thelotter" are opening in new tab while visiting some sites. I have many addons that blocks ads, pop-ups and other stuff, like "Noscript", ghostery, adblock etc... but still the open, so I thought that it could be due to some malware I got on the web.

The question is: is it possible that I have some malware or anything like that on my ubuntu? How can I check it? And how can I solve the problem?

I also tried to remove firefox and its folder in /home and reinstalled it but same thing.

What can I do? Thanks

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closed as off-topic by Mateo_, Braiam, Eric Carvalho, qbi, Kevin Bowen Oct 15 '13 at 19:56

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "This describes a problem that can't be reproduced that seemingly went away on its own or was only relevant to a very specific period of time. It's off-topic as it's unlikely to help future readers." – Mateo_, Braiam, Eric Carvalho, qbi, Kevin Bowen
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What exact folder did you remove in /home? I'd say you've installed a malicious Firefox addon of some sort. Removing the Firefox user profile should fix that. Are other browsers also affected? –  gertvdijk Oct 14 '13 at 20:08
    
Are you using the Firefox synchronization functionality to synch your Ubuntu Firefox with the Windows one? I had a problem like that with my Google Chrome. –  Zignd Oct 14 '13 at 20:35
    
@gertvdijkI removed /home/.mozilla, Well I usually use only trusted addons, it effects only firefox. I will try to reset the user profile thanks. –  Frank Oct 14 '13 at 20:38
    
@Zignd I also use xmarks to synchronize bookmarks so maybe it is the problem I don't know –  Frank Oct 14 '13 at 20:39
2  
Congradulations, you are the first person to ever download and install malware to an Ubuntu install... Good job! –  TheX Oct 14 '13 at 21:13

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