Hi m00nbl00d,
Read the Prevx info on TOS.EXE: http://spywarefiles.prevx.com/RREJDG155943/TOS.EXE.html
http://angui123.cn/VirusEncyclopedia/34838.html (also source for the quote mentioned below)
It was rather short-lived, and that may be also part of the why,
Jan 14 2011 and last seen on Jan 14 2011.
and the SAS info:
http://www.superantispyware.com/malwarefiles/TOS.EXE.html
polonus
P.S. avast 6 is even better 