The package is HauntedCreatures.u and it has Zombies and Ghosts in it:

Summons
========
Summon HauntedCreatures.ZombieBrute
Summon HauntedCreatures.GasbagGhost  not work with UT99
Summon HauntedCreatures.ZombieKrall  not work with UT99
Summon HauntedCreatures.GiantMantaGhost
Summon HauntedCreatures.MercenaryGhost
Summon HauntedCreatures.PupaeGhost  not work with UT99
Summon HauntedCreatures.SkaarjAssassinGhost
Summon HauntedCreatures.SkaarjAssassinZombie
Summon HauntedCreatures.SquidGhost
Summon HauntedCreatures.EnergyTitan
Summon HauntedCreatures.MetalTitan
Summon HauntedCreatures.TitanGhost
Summon HauntedCreatures.WarlordGhost

Weapon et AMO

Deadsounds
Summon HauntedCreatures.Gesbioshotgun
Summon HauntedCreatures.Bioshotgunshells

Summon HauntedCreatures.Combatpistol
Summon HauntedCreatures.CPclip

other files like this
http://unrealtournament.99.free.fr/utfiles/index.php?dir=Custom_pawn/