Consider this scan with DrWeb’s URL checker:
Checking: -http://syskl5.qipim.ru/Leprechaun.exe
Engine version: 5.0.2.3300
Total virus-finding records: 2818656
File size: 2.07 MB
File MD5: ad8e2820c69db7ec8af3395a453bb573
-http://syskl5.qipim.ru/Leprechaun.exe packed by UPX
-http://syskl5.qipim.ru/Leprechaun.exe probably infected with BACKDOOR.Trojan
See: http://amada.abuse.ch/?search=ad8e2820c69db7ec8af3395a453bb573
Avast detects as Win32:Malware-gen according to this scan:
http://vscan.urlvoid.com/analysis/ad8e2820c69db7ec8af3395a453bb573/bGVwcmVjaGF1bi1leGU=/
polonus