By jdpowers41 ·
I have an AMD Athlon 64 X2 dual core 4200+ 2.2G with 2G Ram. it has run fine up till 2 months ago when my daughter pulled up a website that had a virus attached. I have run AVG, AVAST, Ad-Aware, Spybot, CCleaner, nCleaner, Advanced System Care, and defragged over and over. These found 2 viruses and supposedly cleaned them. AVG seems to constantly find spyware. It runs very slow right now, freezes up a lot, which it has never done before.
Any suggestions on how to speed it back up to parr?

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May be a rootkit

by TobiF In reply to performance?

You may have some "infection" on the computer that is trying to hide from your scanners.

In order to get a better shot at whatever bad things you've got on the pc, you'd want to scan the hard drive while the infection itself isn't active.

Try either scanning with these tools in "safe mode", where a bare minimum of drivers are loaded (and hopefully, any virus won't be loaded either), or, going one step further, create "rescue disks" on a <b>different, hopefully clean</b> computer, and then boot your computer from this rescue disk (which could actually be mounted on a USB memory...)

Another approach can be to take the HDD out of your computer and mount it via USB adaptor as an additional drive in another (clean) computer and scan the drive from there.

If you're dealing with a rootkit, then Sysinternals' rootkitrevealer could help you to establish such a fact. It compares information from the file system against low-level reading directly from the disk and flags discrepancies. In order to avoid false alarms, read the instructions carefully (and don't have any other programs running while scanning)

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Next: wipe & reinstall

by TobiF In reply to May be a rootkit

The remedy to the low performance (whether due to rootkit or not) could be to reformat and reinstall the system.
Don't forget to backup all data you may have in different places. Emails, for instance, may be in hidden directories under your profile.

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if you're still running two

by PurpleSkys In reply to performance?

anti-virus programs, dump one of them, they will conflict with each other. Have you run all of those programs in safe mode? Also try malwarebytes If after all that you're still having issues, a backup, wipe and reload may not be a bad idea.

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It may be better to use a Rescue Disc here

by OH Smeg Moderator In reply to performance?

This is a Optical Disc that the computer boots off and loads it's own OS so that you can scan the Windows Drive and clean it out of any infections. This TR Blog would be a great starting point and should help you no end.;leftCol

As stated above Virus are not the only thing you can pickup from Infected sites there are numerous other things with Root Kits being the nastiest which can be hard to impossible to remove and all Malware none of which will ever be picked up by a AV Scanner.


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by jdpowers41 In reply to It may be better to use a ...

what is the difference between using a 'rescue disc' and a 'wipe n install'? I have never done either of these. I do understand what a 'wipe & install' is. I have had this computer for about 1.5 yrs, havent done or had a 'wipe & install' yet on it, so am probably overdue for one. Fortunately my daughter happens to have Windows XP Home on her computer, so i can use it to make a rescue disc.
also..when i turn my computer on, the OS wont load, it makes a sound like one of the keys is stuck. any idea?

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The difference is

by OH Smeg Moderator In reply to difference?

With a wipe and reload you are wiping the HDD and making any data on it useless. With a Rescue Disc you are attempting to repair the existing OS that you can not get to work.

There are places for both and the trick is to use what suits the current need.


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