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ricki76
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August 12, 2011 - 1:49 am
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Forgive me because. I'm doing this on cellphone bc internet down.dell and windows couldn't help.problem is I have about 30 connections on router system resource full.permissions gone.when I ran antivirus exe. Where gone
Tried all top names.than I noticed it was on the kids also.I tried doing a clean install but. Newer files were on there.so I tried some cmd prompts but am novice but couldnt get.I have noticed in performance. Monitor that they were tons of event traces.rerouted files.I have win7 prem quad amd 8 gigs of ram.I had win firewall and super anti spyware.I have tried mcaffe stinger.avg.rubotted.fix it pro.avast.tdss.and others

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David Hartsock
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August 12, 2011 - 8:50 am
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Sounds like you have a big mess and it's gotten worse. At this point you really don't know what you have and it may possibly be a root-kit(s). My best suggestion would be:
1. If you can boot the machine use an external drive to save any personal files you can't live without.
2. Reinstall Windows from scratch and be sure to format the entire drive during installation.
3. Once you have the computer up and running install Microsoft Security Essentials and do a complete scan.
4. Scan that external drive (if you were able to complete step 1) with MSE and any online scanner you can get your hands on!

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Chad Johnson
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August 12, 2011 - 9:06 am
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And I would add -- Step 0) Unplug this machine from your network.

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ricki76
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August 12, 2011 - 3:06 pm
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Thank you.just to be clear. I don't want to save any info or program. They have command lines on win32 %system root% look like changing me to a server.do I format than load win7 or format during reinstall.Should I get a wiping program.Also is there a way to shut down future backdoors from win32.I have been disconnected from network and have a new router and modem when I start back up.sorry for rambling.

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Chad Johnson
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August 12, 2011 - 8:04 pm
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you should be fine to format during the install. Downloading a wiper program (Darik's Boot and Nuke is one example) is probably overkill, but if it makes you feel better, no worries.

As for preventing vulnerabilities -- there is no absolute way to prevent it. Stay behind a firewall / router, don't download suspicious things, and keep Windows up to date will go a long way to protecting you. That, and a good anti-malware program (Avast, AVG, Kapersky, etc).

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Jim Hillier
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August 12, 2011 - 8:16 pm
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If the computer has indeed suffered heavy malware infections I would suggest utilising Darik's Boot and Nuke prior to fresh install, just to make doubly sure all the nasties have definitely been zapped. DBAN can be downloaded and burned to bootable CD on a working computer.

This from the [url=http://www.dban.org/:3ed57xr9]DBAN Home Page[/url:3ed57xr9]:
[quote:3ed57xr9]Darik's Boot and Nuke ("DBAN") is a self-contained boot disk that securely wipes the hard disks of most computers. DBAN will automatically and completely delete the contents of any hard disk that it can detect.

DBAN is a means of ensuring due diligence in computer recycling, a way of preventing identity theft if you want to sell a computer, [u:3ed57xr9]and a good way to totally clean a Microsoft Windows installation of viruses and spyware[/u:3ed57xr9].[/quote:3ed57xr9]

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Mindblower
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August 12, 2011 - 8:42 pm
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Just wondering if installing a different o/s like Linux would be as effective as nuking the harddisk prior to re-formating, Mindblower!

"Light travels faster than sound;
That is why some people seem bright until you hear them speak"

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Jim Hillier
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August 12, 2011 - 8:57 pm
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I doubt it would be as effective MB. Installing Linux still involves high level formatting, there is a pretty big difference between formatting and securely wiping. The only advantage might be that any surviving malware remnants may not actually be able to activate in a Linux environment (that is, if one were to carry on with Linux as the OS). If one were to go to the trouble of installing Linux, re-formatting and then fresh installing Windows I really can't see any advantage at all.

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coolczone
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August 21, 2011 - 12:47 pm
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Ok, so just wondering,
in case that your computer is infected and you reinstall your OS, there is a chance to have some remnants viruses? Isn't formatting your HDD enough?

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Jim Hillier
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August 21, 2011 - 6:05 pm
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[quote:dlh59zwu]Isn't formatting your HDD enough?[/quote:dlh59zwu]
In many cases, yes.

The high level formatting tool provided by MS is specifically designed to prepare hard drives for installation of operating systems, it was never designed to, and does not, completely obliterate data (ergo malware).

In order to be 100% safe (especially with a heavily infected drive), one would need to securely erase all data from the hard dive using a specialist tool.

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