I found an txt document in Warz folder it safes my ip hwid and there some things that looks a bit suspicius like this
-- Log started at Sun Jan 06 04:42:37 2013
000002.121| GPU supports D3DQUERYTYPE_TIMESTAMPFREQ
000002.121| D3D hack support = NullRT: 1, hwPCF: 1, IntZ: 1, ResZ: 1
000002.123| We have 2792 MB texture memory

obj_Zombie::FreePhysSkeletonCache:002647.187|

002649.623| Unloaded 0.0 MB STATIC decal textures
002649.623| Unloaded 0.8 MB DYNAMIC decal textures