Can McAfee miss detecting a virus
Hello,
My laptop, a Dell Inspiron 5100 with Windows XP, has for the past several months been acting very sluggish to a point where it is almost problematic. When I turn the computer on, it will...
My email address was receiving large amounts of spam (800 emails). So I changed it to a completely new email address. I then began to download my email from my new email address and was surprised to find another 800 spam emails! Where are these spam emails coming from? Might I have a virus on my computer possibly?
I phoned my ISP and they indicate that, no, they do not have any spam filters on their servers. (To me, that would explain all the spam). But they also indicated I could possibly have a "worm" on my computer and that no matter how many times I change my email address the huge amounts of spam will still come. Could this be correct? They suggested that before I conclude the spam was coming from their email servers, I should run a virus check on my computer.
Open the task manager, and look at the processes. Click on the column for CPU. See in order, what the percentages of use are. This way, you will know what operations are using your...
And so I ran two virus scans, first with McAfee and then next with AVG-Free. This took about 45 minutes each time to scan my entire hard drive.
Fortunately, McAfee and AVG-Free both indicate that I do not have a virus: "No Virus detected".
However, is it possible that, yes, I may still have a worm or a virus and that both McAfee and AVG-Free couldn't detect it? Do most anti-virus programs such as McAfee and AVG-Free detect for worms as well as viruses?
Or can I now safely buttume that my computer is free of viruses?
(My ISP also suggested I consider using Spybot. Would that help in this spam situation or is Spybot just a popup blocker for browsers?)
Thank you for any advice,
Mike
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