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How bad is a Trojan horse virus?

(4 Posts)
KnickersandVests Wed 07-Oct-09 09:43:27

Apparently I have one. AVG told me on start up, I've run a Norton scan and that didn't find one.

The AVG is a freebie whereas I bought the Norton one so trust it a bit more. However the Norton is about three years old.

How awful is a trojan horse virus, what happens if you have one?

BadgersPaws Wed 07-Oct-09 09:52:54

A "Trojan Horse" is usually used to refer to a type of computer virus rather than an actual instance of a virus. It's something that tricks you into running/installing it by pretending to be something useful and beneficial.

What exactly did/does AVG have to say? Did it offer you an option to delete it?

The fix is usually to delete or uninstall the Trojan, they're often not like other viruses that might infect other files that would then require cleaning.

Are you still updating Norton? A virus checker is really only as good as it’s last update, which is why it’s so important to update them regularly.

You really should only need one anti-virus tool, so if you're updating AVG then it's probably best to get rid of Norton.

I'm a big fan of a free tool called Ad-Aware that can scour your computer looking for malicious software, I've recommended it on here several times. You can download it here:
http://www.lavasoft.com/products/adawarefree.php

I'd recommend getting it and running it on your machine to see what's there....

KnickersandVests Wed 07-Oct-09 09:58:56

AVG had the option to 'Heal' it which I've gone for.

By looks of it the Norton must be a bit out of date if it isn't picking up viruses? Perhaps I should just remove the whole programme and be done with it?

Thanks very much for the recommendation. I'll have that. smile

RustyBear Wed 07-Oct-09 10:03:37

It depends on the trojan - some are relatively harmless, others do more damage. You can search the Norton site for more info, or other Anti virus sites, like Sophos often have a threat database you can search.

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