>>41 au_.exe is a standard file used in nsis uninstallers. (nsis = Nullsoft Install System) ってことらしい。
他のとこではSpywareだということになってたりする
AU_.EXE is Trojan SpyFalcon.
Description of au_.exe This is a component of SpyFalcon. SpyFalcon is a Trojan disguised as an anti-spyware application. It installs with other Trojans through various security exploits. It typically hijacks the user's desktop, and makes unwanted changes to various user settings.
Recommendation for au_.exe It is strongly recommended that this spyware be removed from your system immediately.
The filename AU_.EXE was first seen on May 18 2007 in The EUROPEAN UNION. It has also been seen in the following geographical regions of the Prevx community:
* The UNITED ARAB EMIRATES on Sep 15 2007 * CANADA on Jul 21 2007 * SLOVAKIA on Sep 26 2007 * FRANCE on Aug 31 2007 * THAILAND on Nov 3 2007 * SPAIN on Oct 5 2007