MacDefender is a scam; Tip on how to remove it from your iMac

I, like many other victims, experienced an annoying popup from MacDefender right after I did an image search via Google. As a result, I spent several hours in search of solutions to remove this annoying SW. Anyway, I am not a technical person and just bought my iMac 3 months ago and am still learning how to get used to all the operational menus. Luckily, thanks to one Mac user who posted this solution on the internet, I followed his instructions and was able to get rid of this stupid SW. :-)
I'd like to share this in case another victim comes along ....
Launch Finder and search for the app name (in this case - MacDefender)
Search for the whole Mac
Search for File name (by using the drop down menu on the left box)
Use the button below the search box to add search criteria. This will allow you to have more drop down boxes
Once you have more search criteria options, select the "Other" on the left box and the " System file" on the right box. Use the drop down menu on each box
There is a default option "aren't included"; click on this box and change it to "include"
Sort by name, kind, date, ect., to identify components of this particular app, such as folders, .plist files, cache files...ect.
Delete all the files and folders related to this app.
Do not empty the trash until you check and make sure that everything (all good apps) are working normally. Incase you need to restore some files that you accidentally deleted. One way to make sure is the file has the same date that this MacDefender was downloaded.
Reboot the iMac.
After I followed these steps, I was able to completely remove the MacDefender. I hope you will be able to do the same.
Good luck. :-)

SIMPLY READ THE ARTICLE FROM INTEGO SECURITY.
http://blog.intego.com/2011/05/02/intego-security-memo-macdefender-fake-antiviru s/ (2011 Mac Trojan makes news)
This is a simple login app that can be easily removed. If you hadn't typed your admin password to allow it to install, you wouldn't have this thing. Not trying to lay blame, just want to allay fears that this thing installs itself. It does not.

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sorry I have taken so long to get back to you, but to be honest I am feeling a bit out of my depth with this, the more I read the safemac info the more I become anxious that if I do start to try and follow the advice given and make a wrong move I will be deeper in the mire, I can't afford to render my imac unusable, and am beginning to wonder if I should just put up with Geneio but just don't use safari by way of a compromise, I have been using Firefox instead and it seems to be fine if I do this, but if I use safai the Geneio newsaper style home page comes up, so I just don't go down that route any more at the moment, as I mentioned in my original post I am not very well versed in the imac at the moment I am still very much feeling my way, however I did follow your advice part of the way, by looking in Finder -Get info and it came up with this info on the last file update I have on Adobe Flash and this is it, I hope this is what you were looking for
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regards
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