DD Converter

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1: Introduction – About DD Converter

What is DD Converter?

DD Converter is a simple Macintosh application for quickly converting a dd image, supported by most of the computer forensics applications, to Macintosh dmg image. Both dd and dmg are RAW Image Format used to store a disk or volume image. The RAW Image Format is basically a bit-for-bit copy of the RAW data of either the disk or the volume, without any additions or deletions. DD Converter will also perform conversion of split RAW, or multiple segment files.

DD Converter is extremely straightforward to handle. The easy-to-use interface allows the conversion to complete in just a few clicks.

DD Converter Features

Written specifically for Mac OS X, DD Converter includes powerful features that give the investigator a quick and easy way to convert RAW data image between dd format and the Mac OS-centric dmg format.

DD Converter will just perform a rename of the original file and will not affect the HASH value of the file.

2: Getting Started – The Basics of DD Converter

System Requirements

DD Converter is programmed to run on the following minimum specification:

  • Intel based Dual Core Apple Macintosh CPU, that is capable of running
  • Mac OS X (version 10.6 or above), with at least
  • 1 GB of RAM
  • Hard Disk (with 30 mb of space free for installation)

Installing or Updating via Download

Once the software has been downloaded from the site and decompressed, the user can drag and drop DD Converter from the mounted disk image into the Applications folder. If prompted to replace the existing version of the file, click Replace.

Initial Setup

End User License Agreement

The first time the application is launched the user will be asked to accept the End User License Agreement and then to enter a valid registration number.

Enter Serial Number

Having done entering the serial number the user will then be taken to the Main Window.

Finding Help & Technical Support

Should the investigator need assistance working with DD Converter, there are a number of sources through which to get help:

Help within DD Converter

The investigator can find from the Help drop menu, which offers the option to “Show Help”, taking the investigator other relevant web pages on the SubRosaSoft web site.

Technical Support

Our technical support is free via email and can be accessed at the following address: support@subrosasoft.com. The support hours are 10am to 6pm Pacific Standard Time Monday to Friday.

In addition to any support question(s), the investigator must include ALL of the following pieces of information:

  • Purchase information.
  • System configuration(s) – hard drive make, model etc.
  • System OS version.

System related information can be found by using the “System Profiler” application in the /Applications/Utilities folder.

3: Using DD Converter – Navigating the Windows & Using the Functions

The Main Window

Immediately after start-up, the investigator will be presented with the DD Converter splash screen. Once this has disappeared, he or she will then be taken to the ‘Main Window’.

Insert Dongle

The Layout

The main window layout is extremely straight forward. One button to convert DD image to DMG image and vice versa. Once you click on the Convert DD <-> DMG button, a choose file window will pop up allowing you to select either dd image or dmg image. Click on Open will proceed to convert the image to the other format.

Insert Dongle
Selecting a dmg image to convert to dd

Quick Tip: Removing Chain of Custody Text File
To convert from dd to dmg, make sure you remove the chain of custody text file before you run it.

DD Converter will just perform a rename of the original file and will not affect the HASH value of the file.

Quick Tip: E01 File Format
In order to view E01 files, you will need to convert them to dd (using FTK Imager or other conversion utilities), then from dd to dmg.

4: Appendices – Getting Help and Technical Support

Finding Help within DD Converter

Help can be found both via the standard help menu at the top of the screen.

On the Web

We provide over 100 links to forensic resources, manuals, a complete knowledge base and a plethora of additional information on our website. For updates, resources and additional information please visit: https://www.subrosasoft.com

Technical Support

We provide free technical support both via email or phone during the hours 10am to 6pm Pacific Standard Time (GMT -8) Monday to Friday. By email, we can be reached at the following address: support@subrosasoft.com. By phone, we can be reached at: +1 (510) 870 7883, or by fax on +1 (510) 868 3407.

In addition to any support question(s), the examiner must include ALL of the following pieces of information:

  • Valid purchase information.
  • System configuration(s) – hard drive make, model etc.
  • System OS version.
  • System related information can be found by using the “System Profiler” application in the -/Applications/Utilities folder.

Comments and Questions

If you have comments, problems, or questions about this product, or if you are interested in a site license, please contact us via email: info@subrosasoft.com

Company Address:

SubRosaSoft.com Inc.
5387 Diana Common
Fremont, California 94555