June, 2007
Importance of “thumbs.db” in digital forensic world
by Kush Wadhwa, NII Consulting
Are you working as a cyber crime investigator and looking for something which can prove in court of law that there was some pornographic content on the suspect’s machine? Let me help you out in this case.There is a file with a name “thumbs.db” which is automatically generated by Windows XP whenever user views the folder or image in thumbs view or in filmstrip view. Automatic generation of this file is ON by default. Thumbs.db contains a copy of each of the tiny preview images generated for image files in that folder so that they load up quickly the next time you browse that folder. If a user tries to view this file by any image viewer then it will be of no use. For extracting the juicy content from this file, forensic investigator has to understand the header of the thumbs file present in thumbs.db. Let me explain step by step on how to extract useful content from thumbs.db file.
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