That is 3918.rar にはDLKeyが設定されています
COMMENT[DLKey]
DATE21/09/24(Fri),23:21:54
SIZE21.9MB (23002317bytes)
ORGMIMEapplication/octet-stream
ORGNAMEVID_'unknown number 2'.rar
DLKey:

That's ローダーに戻る