Interingly enough it was not just Avast that falsed alarm on those files. I ran the file through
http://www.virustotal.com/flash/index_en.html and Panda and Sybari (which uses a number of AV engines) alerted to the file. See below.
This is the report of the scanning done over "files.zip" file that VirusTotal processed on 09/10/2004 at 09:19:00.
Antivirus Version Update Result
BitDefender 7.0 09.09.2004 -
ClamWin devel-20040822 09.08.2004 -
McAfee 4390 09.08.2004 -
NOD32v2 1.867 09.09.2004 -
Norman 5.70.10 09.09.2004 -
Panda 7.02.00 09.09.2004 HackTool/Stdio.A
Sybari 7.5.1314 09.10.2004 IRC/Flood.ak.plugin
Symantec 8.0 09.09.2004 -
TrendMicro 7.000 09.08.2004 -
Cheers
Jlo