I ran the main exe through
Jotti's malware scan and NOD32 was the only one which heuristic scan thinks it found something. Since this wasn't the first time NOD32 reports a false positive it looks like it has some problems with applications packed with UPX.
File: Rainlendar2.exe
Status:
POSSIBLY INFECTED/MALWARE (Note: this file was only flagged as malware by heuristic detection(s). This might be a false positive. Therefore, results of this scan will not be stored in the database)
MD5: 2065dd5bfdad47f55826cfde4659d290
Packers detected:
UPX
Bit9 reports: File not found
Scanner results
Scan taken on 09 Oct 2007 17:05:06 (GMT)
A-Squared Found nothing
AntiVir Found nothing
ArcaVir Found nothing
Avast Found nothing
AVG Antivirus Found nothing
BitDefender Found nothing
ClamAV Found nothing
CPsecure Found nothing
Dr.Web Found nothing
F-Prot Antivirus Found nothing
F-Secure Anti-Virus Found nothing
Fortinet Found nothing
Kaspersky Anti-Virus Found nothing
NOD32 Found probably unknown NewHeur_PE (probable variant)
Norman Virus Control Found nothing
Panda Antivirus Found nothing
Rising Antivirus Found nothing
Sophos Antivirus Found nothing
VirusBuster Found nothing
VBA32 Found nothing