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ishdav11
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 Posted: Tue Oct 05, 2004 4:45 am Post subject: restore back to factory specs. |
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| If i run factory set up, and restore everything back to factory specs, will all viruses, adwares be removed? |
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MIB
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| Posted: Tue Oct 05, 2004 4:49 am Post subject: |
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| I don't think so actually. You could try, but you can just scan for spyware etc. |
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ishdav11
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| Posted: Tue Oct 05, 2004 4:56 am Post subject: |
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| I reason i asked is because i had a trojan virus a couple of days ago, and didn't have mcafee, or norton, so i took computer back to factory specs, and ti seems to have erased trojan, so far so good. |
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shadowfx
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| Posted: Tue Oct 05, 2004 6:03 am Post subject: |
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As long as it's not a boot or memory sector virus. Also, as long as the factory reset formats the drive (which I think it does).
You should be fine in my guess. |
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ishdav11
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| Posted: Tue Oct 05, 2004 6:28 am Post subject: |
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| Computer seems to be working fine now, so it must not have been a boot or memory sector virus, so another question is, what would i have to do if the virus would have been in boot or memory to get rid of it? |
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shadowfx
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| Posted: Tue Oct 05, 2004 6:46 am Post subject: |
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There are ways to clean/clear the memory or boot sector.
For boot sector it's a fix mbr or you can move your mbr and actually look at anything in there (something fun to try but be warned can be very harmful to computer to try).
For the memory unplug the system, remove the memory, let it sit for a bit, then put the memory back in and hot jump the system to push a pulse through the memory and you should be good to go. (Warning, Hot Jumping can cause damage though).
Either way if you ever have an old system laying around it's something fiun to try. |
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ishdav11
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| Posted: Tue Oct 05, 2004 7:12 am Post subject: |
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| Ok, thanks for the info, but i think if that ever happened i'd have to take it to the shop. |
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Virtuosity
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| Posted: Tue Oct 05, 2004 10:14 am Post subject: |
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Shadowfx I don't know who told you that load of crap but the only thing you will do if you do as you describe is screw up some hardware.
A "boot sector" virus is just what it implies it is a virus that sits in the bootup sector of the drive and loads with the operating system.
A "memory" virus resides in memory (though it still must get loaded somewhere, usually by a hidden entry in the registry or by a program in the boot up sequence of programs.)
Powering off the computer is all that is required to eliminate any virus that are actually "in memory" as ram does not hold information without power applied. This would though not keep them from being reloaded on the next boot. There are virii that load in the cmos sub system of your machine but your "fix" would be foolish and pointless in that case also and has nothing at all to do with the system ram.
If you don't have valuable data on your drive a format or fdisk is a sure cure, in most cases a fresh install of windows (to a new directory not to the existing one) will also stop the virus from being loaded.
If you have a boot sector virus you will most likely want to fdisk the drive otherwise most virus programs can fix these problems easy enough but sometimes will leave corrupted files that will necessitate a reinstallation of your OS.
"Hot booting" any peripherals whether memory, hard drives or add-in cards is a sure way to fry hundreds of dollars worth of equipment. |
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Bush is as qualified to talk about freedom as Bill Clinton is to talk about chastity.~James Bovard |
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shadowfx
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| Posted: Tue Oct 05, 2004 10:52 am Post subject: |
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Virt, you are full of crap. I've done it a number of times.
Boot sector virus you just wipe the mbr and you are good to go.
Resident memory viruses will also infect cache which stays active even after powering it off a computer.
Using fdisk on a boot sector virus won't do a damm thing to it if you don't over-write the mbr.
Hot booting works in a number of situations. Bios password-hot boot it.
Don't believe me on any of these, I have a couple here you can try on some older computer you might have laying around. |
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shadowfx
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| Posted: Tue Oct 05, 2004 8:13 pm Post subject: |
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Virt, actually you aren't full of crap.  But you are taking the safe "Instruction manual" way on this.
Haven't you ever tinkered w/ HW the way not suggested?
You can really do alot more with the HW in a computer then it says in the manuals. Hell you can do alot with hw you find from other things.
Want to play xbox but still don't like MS. You can force load linux onto it and run it that way. Need a voltage tester but don't have one, grab a LED that has a pos and neg wire and you can use that.
I've done a hot jump with one of those LED testers attached to the cache and it barely pushes a charge through. Definatly not enough to do damage. Esp if you know what to jump.
If you are ever doing assembly lang coding you need to use "not recommended by manual" ways of fixing this quite often. Especially, when you make mistakes like i have while doing it
Anyhow, I wouldn't suggest anyone try the hot jump if they are sure what to do. But really it does work fine when done right. |
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