One think u could try is to pack the exe file with UPX or something similiar. Maybe the changes done by the runtime compression are enough to get rid of this fake-heur-alert.
I think this could do the trick, but this is just a guess.

Or u got a crypt-PDM.Keylogger then grin

Acknex umgibt uns...zwischen Dir, mir, dem Stein dort...
"Hey Griswold ... where u gonna put a tree that big ?"
1998 i married my loved wife ... Sheeva from Mortal Kombat, not Evil-Lyn as might have been expected
rayp.flags |= UNTOUCHABLE;