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Sigcheck 2.51

Scan your PC for signed (and unsigned) executables

by Mike Williams

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Based on 0 ratings
License: Freeware
Operating Systems: Windows 10, Windows 7 (32 bit), Windows 7 (64 bit), Windows 8, Windows Server, Windows Vista (32 bit), Windows Vista (64 bit), Windows XP
Requirements:
Languages: English
Software Cost: Free
Date Updated: 29 April 2016
Watchlist: Add download to my watchlist
Downloads To Date: 845
Developer: Windows Sysinternals
RSS News Feed: http://blogs.technet.com/b/sysinternals/rss.aspx
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Sigcheck
Scan your PC for signed (and unsigned) files

Sigcheck is a command line tool which can provide details (link date, publisher etc) on an executable's digital signature. Sounds dull, yes - but wait. The program can also highlight unsigned executables, and even upload them to VirusTotal for detailed analysis.

For the most basic, details-only use, enter a command like sigcheck c:\windows\system32

Every executable file the program finds will have its digital signature checked and verified, then the signing date, publisher, description, product and more will all be listed.

Life gets more interesting when you start using VirusTotal, although Sigcheck does require that you accept the site's terms and conditions first. (Don't worry, there's nothing bad, but just follow the link to confirm that for yourself.)

With that done, enter a command like sigcheck -e -u -vn -vt c:\windows\system32

Now the program will scan your \Windows\System32 folder for unsigned files, then upload whatever it finds to VirusTotal, before listing anything that at least one of the engines thinks is malware. (It's not unusual for one or two engines to incorrectly raise an alert, so don't panic immediately, but you still need to investigate anything listed here.)

Sigcheck supports plenty of other command line switches. You can have the program show more version information, recurse subdirectories, query VirusTotal with file hashes, export its data in csv format, and more. Enter sigcheck at the command line for the full list.

Version 2.51 "now cleanses newline and other characters from CSV output to prevent line breaks".

Verdict:

An excellent security tool for anyone who might ever need to manually hunt down malware.

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Spotlight: Free Full Software

Spektrel Art 1.0.0

Free Full Commercial Software

Spektrel Art is a stand-alone program and Photoshop plugin which transforms digital photos into "magical art that glimmers and gleams with intersecting lines of tapered light".

What does that mean? Essentially it applies a configurable mix of effects, enhancing edges, smoothing backgrounds and emphasizing colours. Take a look at the thumbnail for one example, and the official product page has more.

Spektral Art works much like any similar tool. Open an image, click one of the thumbnails to apply a particular preset, or click a few buttons and drag some sliders to fine-tune the results.

There's surprising scope for variation, too. For example, just switching from the "Light" to "Dark" theme can transform a bright and friendly image into something dark and sinister, at least in some cases (results vary depending on the source image).

Please note, the demo version doesn't allow images to be saved.

SPECIAL OFFER: as we write, the developer is offering Spektral Art for free. The offer expires August 29th. Please note that you must provide your name, address and phone number to receive your free license.

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