Please help, how can I remove AV Security Suit from my computer?

..There is something called “AV Security Suit” that install into my computer without my permission and it really slow my computer down.. I already scan with my anti-spy and anti-viruis program but it doesn’t seem to remove it..

Please help.

AVG Warns of Malicious Crank Calls Coming to Your Computer Phone – Yahoo Finance

–(BUSINESS WIRE)– AVG Technologies, a leading provider of internet and mobile security, today warned of newly emerging social engineering attacks on users of the … saying their PCs have been checked for viruses and that a ‘fatal virus’ was found.
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can i use the same security activation code on a different computer?

When my brother bought his new laptop he got a 6 month activation code from Kaspersky security.
If i use it on my computer will it work? or will it De-activate the security from my brother’s laptop and switch to mine?

How do get my norton internet security from 1 computer to another one?

I just bought a new computer and i want to transfer the Norton software to it from my old computer. I bought the norton online so i do not have a disk. Is there anyway that i can do this.