PEiD

[?]
exe identifier, with trid, is used by Universal Extractor

[URL]
Google: peid home
but it seems the author is poor, and the 3 servers he listed only has one effect:
http://www.peid.info/files/PEiD-0.94-20060510.zip

[Hardware Platform]
X86

[Software Platform (OS)]
WXP+SP2

[Need Installation?]
NO

[Version Recommended]
0.94 is Latest