Softcorp scSTREAMS™ NTFS Alternate Data Stream Utility

Enumerates hidden NTFS alternate data streams.
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Systems

Windows XP
Windows 2003 Server
Windows 2000
Windows NT4

Personal Licensing

Softcorp Pro Bono License
Pricing: Free

Business Licensing

Softcorp Commercial License
Pricing: Contact Softcorp Corporate Sales

scSTREAMS enumerates NTFS alternate data streams

Softcorp scSTREAMS is a Win32 command that quickly searches your NTFS hard disk, enumerates the hidden NTFS alternate data streams, and reports the disk space they occupy.

You have hidden data lurking in your computer

If you run Windows NT, 2000, XP, or 2003 Server, and use the NTFS file system, then you have hidden data lurking in your computer in NTFS alternate data streams.

NTFS, the New Technology File System, supports a feature called "alternate data streams" in any file or directory on the volume. Like the primary sequence of bytes that we think of when we think of a file, the alternate data streams hold a sequence of bytes, called a stream. But unlike the primary data stream, Windows Explorer and the DIR command do not report the existence of the alternate data streams nor the disk space they occupy.

Legitimate uses of NTFS alternate data streams

NTFS alternate data streams are used for various legitimate purposes:

Extended attributes (title, subject, author, category, keywords, comments, etc. that appear on the Summary tab of the Properties dialog).
Thumbnails of image files (created by the Windows Indexing Service).
MacOS files that require multiple streams per file (called "forks").

Unique security issues with NTFS alternate data streams

NTFS alternate data streams are an excellent place to put data that you don't want to see. They are also a great place for others to hide data they don't want you to see. It is a great place to hide any sort of malware including a virus, trojan, worm or spyware. scSTREAMS gives you visibility to this hidden data.

Pro Bono License

Pro Bono in latin means "for the good". Softcorp provides Pro Bono Software under the Softcorp Pro Bono License at no charge under the following general terms. See the full license in the download for details.

Personal use only at home or office.
Business or commercial use requires a commercial license and payment of a fee. Contact Softcorp Corporate Sales for more information.
Each individual user must download his or her own copy directly from the softcorp.us website. We hope you enjoy our Pro Bono Software and that it helps promote our business by bringing visitors to our website.
Redistribution of the software is not permitted in any form including diskette, CD, file server, web server, email attachment, network, hard copy print, etc.
Editorial review and publication of images and text is permitted at no charge.

scSTREAMS Screen Images

scSTREAMS™ Command Syntax

scSTREAMS™ Command Examples

scSTREAMS™ Sample Run #1

scSTREAMS™ Sample Run #2

Download scSTREAMS

Softcorp scSTREAMS (scSTREAMS.zip, 56 KB)