Trojan.Vundo

why evrytime i scan for virus when i download public hack on this or any other forum it get a Trojan.Vundo i dont understand this thing at all now
BassAddict32 said
its called a false positive because its trying to do something to an exe file so it assumes its a virus because viruses change exe files and other files thats all and don't say thanks press it

but one it detected Trojan.Vundo is Dll not exe files plz i don't understand if already scan it for virus by different website before been approve this is why i don't get if anyone got time to explain this i will be very thankful al so i was suing on Combat arms hack name Flameswor10 Pub Loader for chams and walhack and never detected as Trojan.Vundo so my confusion grow even more thank in advance to who ever explain this in way that i can understand BTW i am new at hacking stuff haven't done it since CS back in days