That is 0447.exe にはDLKeyが設定されています
COMMENT[DLKey] 1111
DATE14/11/26(Wed),14:45:40
SIZE104MB (109829936bytes)
ORGMIMEapplication/octet-stream
ORGNAMEiTunesSetup.exe
DLKey:

That's ローダーに戻る