results of http://virusscan.jotti.dhs.org/ scan

File: WinUsr.exe
Status: INFECTED/MALWARE Packers detected: COM2EXE

AntiVir: No viruses found (0.63 seconds taken)
Avast: No viruses found (1.63 seconds taken)
BitDefender :No viruses found (0.94 seconds taken)
ClamAV : No viruses found (1.47 seconds taken)
Dr.Web : No viruses found (1.41 seconds taken)
F-Prot Antivirus : No viruses found (0.16 seconds taken)
Kaspersky Anti-Virus : No viruses found (1.65 seconds taken)
mks_vir : No viruses found (0.60 seconds taken)
NOD32 : No viruses found (1.24 seconds taken)
Norman Virus Control :W32/Datom.A (0.11 seconds taken)