virus disabled Compaq desktop keyboard

Hewlett-packard Compaq presario cq5320f...
March 4, 2010 at 00:22:15
Specs: ubuntu 9.1
I was running Ubuntu and the Opera browser, and was visiting some site (not sure now what site it was) when at bottom of screen I saw some message like:
"downloading from" I had not attempted to download anything deliberately. Subsequently my keyboard froze (mouse and monitor were fine). I have a dual-boot system with Vista. So I do a warm boot (restart) and the keyboard is still frozen, even before I choose which operating system to boot...I can't even scroll down (down arrow) to select Vista. Ubuntu boots by default and keyboard is still frozen, but I can shut the system down using just the mouse. If I do a cold boot, the keyboard is alive again, but only for maybe 10 minutes or so. Once it freezes, I have to shut down again. Keyboard now seems to randomly freeze even when I run Vista. Once it freezes, it stays frozen until I do another cold boot. Researching on the internet using my wife's computer seems to suggest that is an ad server that has been suspected of delivering malware via Java or Javascript. I could use some suggestions as to how I should proceed from here.

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March 4, 2010 at 04:20:19
Have you run any Malware or Virus scanning programs? Have you tried connecting another keyboard?


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March 4, 2010 at 12:13:51
I will try substituting another keyboard. I am also considering installing BitDefender. Thanks for your suggestions. Stay tuned, and I will update this with the results in a few hours.

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March 4, 2010 at 21:45:47
The enigmatic freezing-keyboard problem showed itself numerous times yesterday, but not at all today.

Nevertheless, I wanted a clean bill of health from a virus scanner. So after much effort, I finally got BitDefender (BD) installed on Ubuntu 9.1. Suffice it to say that it was not a straight forward process, as it had been with XP and Vista.

I had BD attempt to scan my root directory recursively. BD wasn't able to gain access to quite a number of areas, and so its final conclusion was that it had not found any viruses on the areas it could scan, but that my system might still be infected. I also tried another keyboard during the day.

So, it's still a mystery as to what it was that made my keyboard dysfunctional yesterday. Perhaps it was only a bug in some program or an incompatibility between programs.
I am having another problem with Ubuntu since day 1, which is that about one in twenty or so left-mouse clicks ends up in the bit bucket, i.e. it gets lost somewhere, so that every so often I click on something and nothing happens. I consider my case closed, unless the keyboard problem shows up again. Thanks.

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