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Windows 7: Need HDDErase That will work with SATA ...

29 Dec 2011   #21
Golden
Microsoft MVP

Windows 7 Ult. x64
 
 

Hi Zapp,

Did you try SDELETE posted earlier?

Regards,
Golden


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30 Dec 2011   #22
zapp22

Windows XP Pro SP3, Windows 7 Pro 32-bit, Windows 7 Ultimate 64bit, Windows XP Home SP3
 
 

as it turned out I did not need to. moving it to a smarter system and running secure erase enhanced did it.
My System SpecsSystem Spec
30 Dec 2011   #23
jimbo45

Linux CENTOS 7 / various Windows OS'es and servers
 
 

Hi there
You need some utility that does a PHYSICAL WRITE of x'00' (Binary zero's) on EVERY SECTOR.
Formatting or even wiping a partition won't do as this simply alters the directory contents but doesn't destroy the data. (If you don't like X'00' just write random Hex data but it must be on every sector).

Think of typical OS formatting and erase commands as simply tearing the Index and Table of Contents from a Book -- you can still READ the entire book as the actual DATA hasn't been destroyed.


This utility (has Military Strength erase) is quite good and FREE.

Disk Wipe - Free software

Cheers
jimbo

Try using something like this.
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17 Dec 2013   #24
Scoop

Windows 7 Home Premium 64 bit
 
 

I've been reading about this topic and I learned about 2 areas of a SATA HDD that some disk-wipe tools won't access:

- Host Protected Area

- Drive Configuration Overlay

DBAN won't access those areas on a HDD according to their FAQ page.

I was reading about "HDDEerase" and according to their "readme" file, it will remove the HPA & DCO areas on a HDD.

I got interested in this subject after reading some online posts about malicious objects still being present on HDD's after running DBAN and some of the other well-known diskwipe tools.

Will the Diskpart / clean all command access / overwrite these areas?
My System SpecsSystem Spec
17 Dec 2013   #25
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

As I understand it, clean all writes zeroes to all disk sectors so it should do it.
The two areas you mention wouldn't have any personal data, would they?
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17 Dec 2013   #26
Scoop

Windows 7 Home Premium 64 bit
 
 

Quote   Quote: Originally Posted by Britton30 View Post
As I understand it, clean all writes zeroes to all disk sectors so it should do it.
The two areas you mention wouldn't have any personal data, would they?
Thanks for the reply

I don't have personal data in those areas of the HDD. I've been curious about the best wipe tool to use if I needed to clean an infected HDD in the future.
My System SpecsSystem Spec
17 Dec 2013   #27
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

You're welcome. I ran clean all on a, I think, a 320GB HDD once and it took about 3 hours.
My System SpecsSystem Spec
18 Dec 2013   #28
Scoop

Windows 7 Home Premium 64 bit
 
 

Quote   Quote: Originally Posted by Britton30 View Post
You're welcome. I ran clean all on a, I think, a 320GB HDD once and it took about 3 hours.
Thanks again

My HDD's are all Seagate "Barracuda" SATA HDD's with Win 7 default installs (2 partitions, the "Sys Reserved" and the main partition). I have 2 spare HDD's with one that I periodically clone as a tested working shelf spare HDD and the other one as a testing tool for full-disk backup/restore imaging.

If a complete HDD wipe was necessary, including the HPA and DCO, would a clone process copy the HPA and DCO back to the wiped HDD?

For example,

HDD #1 = the wiped HDD, using HDDErase, previously infected

HDD #2 = a verified working spare

if I cloned HDD #2 (Source HDD) to HDD #1 (Target HDD) with one of the various cloning tools (Clonezilla, etc), would HDD #2 then be restored, including the HPA and DCO, restoring it to a complete bootable HDD?

I'm assuming that this would work since the cloning process copies one HDD to another HDD as an exact bit-by-bit copy. That's my understanding of it. I'm not sure if cloning processes all work in the same way, regardless of the cloning tool. I use Acronis and Macrium Reflect to clone and have used Clonezilla a couple of times, all with good results with the Target HDD's booting up into Win 7 ok.
My System SpecsSystem Spec
18 Dec 2013   #29
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

Cloning HDD 2 to HDD 1 should work fine if HDD 2 has a working booting system already installed. A clone is an exact "twin" of the source drive and recreates it including all partitions.
My System SpecsSystem Spec
18 Dec 2013   #30
Scoop

Windows 7 Home Premium 64 bit
 
 

Quote   Quote: Originally Posted by Britton30 View Post
Cloning HDD 2 to HDD 1 should work fine if HDD 2 has a working booting system already installed. A clone is an exact "twin" of the source drive and recreates it including all partitions.
Thanks again for the reply

BTW, your avi and sig are
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 Need HDDErase That will work with SATA ...




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