4 May 2011

Thumbs.db File

Recently I notice that Thumbs.db file in my every Wallpaper Folder. Well, Thumbs.db is a File which contain the thumbnail image(Miniature Image) of the Image Folder. It is not a VIRUS.It is Present in All Window Computer. Thumbs.db is normally a hidden file, so we'll need to change a setting to view those.
Windows stores thumbnails of graphics files, and certain document and movie files, in the Thumbnail Cache file, including the following formats: JPEG, BMP, GIF, PNG, TIFF, AVI, PDF, PPTX, DOCX, HTML and many others.
Its purpose is to prevent intensive CPU processing and load times when a folder that contains a large number of files is set to display each file as a thumbnail. This effect is more clearly seen when accessing a DVD containing thousands of photos without the thumbs.db file and setting the view to show thumbnails next to the filenames.

Thumbs.db file is Very Important for Forensic Investigator. You cannot see image in the Thumbs.db file directly. We need a special software Thumbnail Viewer
to View this. You can Download Thumbnail Viewer (Only 370KB) at http://www.itsamples.com/downloads/thumbnail-database-viewer.zip

To Large the Image,Right Click on the image and select “View Image” in Firefox.

You can also Disable the Thumbs.db file. To do this:-
  1. Open any folder and click Tools/Organize ==> Folder  Options/Folder and Search Options.
  2. Click the View tab from the Folder Options window.
  3. In the Advanced Settings check "Do not cache thumbnails".
I am giving you suggestion that Don’t Disable the Cache Thumbnail as it prevent intensive CPU processing and load times.

To Large the Image,Right Click on the image and select “View Image” in Firefox.

Cache:- A cache is a type of dynamic and high speed memory that is used to supplement the function of the central processing unit and the physical disk storage. The cache acts as a buffer when the CPU tries to access data from the disk so the data traveling from the CPU and physical disks can have synchronized speed

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