Function at 0x43c750
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x20
mov eax, dword [ebp + 8]
sub eax, 0
push esi
push edi
mov esi, ecx
je 0x43c6be
dec eax
jne 0x43c3ef
mov edi, dword [ebp + 0xc]
test edi, edi
jne 0x43c3fc
push str.Download.Failed
push 4
call fcn.0043c260
mov eax, 1
pop edi
pop esi
mov esp, ebp
pop ebp
ret 8
mov ecx, edi
call fcn.004023e0
test al, al
je 0x43c46d
mov eax, dword [edi]
mov ecx, dword [esi + 0x1c]
push eax
call fcn.004057d0
mov ecx, eax
sub ecx, 0
je 0x43c452
dec ecx
je 0x43c437
mov ecx, str.Download.Failed
push ecx
push eax
mov ecx, esi
call fcn.0043c260
mov eax, 1
pop edi
pop esi
mov esp, ebp
pop ebp
ret 8
mov ecx, str.Download.Cancelled
push ecx
push eax
mov ecx, esi
call fcn.0043c260
mov eax, 1
pop edi
pop esi
mov esp, ebp
pop ebp
ret 8
mov ecx, str.Download.Complete
push ecx
push eax
mov ecx, esi
call fcn.0043c260
mov eax, 1
pop edi
pop esi
mov esp, ebp
pop ebp
ret 8
mov ecx, edi
call fcn.004023b0
cmp eax, 6
jne 0x43c3ef
mov ecx, edi
call fcn.00411870
mov edi, eax
push str.start
mov ecx, edi
call fcn.0048c060
test eax, eax
je 0x43c52a
mov eax, dword [esi + 0x40]
test eax, eax
je 0x43c4aa
push eax
call fcn.00439d00
add esp, 4
mov edx, dword [esi]
lea eax, [esp + 0x10]
push eax
mov ecx, esi
mov dword [esi + 0x40], 0
mov dword [esi + 0x38], 0
mov dword [esi + 0x3c], 0
mov dword [esp + 0x10], 2
call dword [edx + 8]
push str.whatappl
lea ecx, [esp + 0x14]
call fcn.00435140
mov ecx, dword [esi + 0x1c]
push ecx
lea ecx, [esp + 0x10]
call fcn.00463050
mov eax, dword [esp + 0x10]
mov ecx, dword [esi + 0x1c]
push 0
push 1
push 0
push 0
push 0
push 0x2000
push 0
push 0
lea edx, [esp + 0x2c]
push edx
push eax
call fcn.004a8800
mov ecx, dword [esp + 0x10]
push ecx
call fcn.00439d00
add esp, 4
xor eax, eax
pop edi
pop esi
mov esp, ebp
pop ebp
ret 8
push 0x540680
mov ecx, edi
call fcn.0048c060
test eax, eax
je 0x43c5e4
mov eax, dword [0x55506c]
cmp eax, 0xffffffff
jne 0x43c55d
mov eax, str.QAHook_StreamWriteFail
call fcn.0043bd40
neg al
sbb eax, eax
neg eax
mov dword [0x55506c], eax
cmp eax, 1
jne 0x43c584
fld qword [0x540678]
sub esp, 8
fstp qword [esp]
push str.error
mov ecx, edi
call fcn.00490e10
xor eax, eax
pop edi
pop esi
mov esp, ebp
pop ebp
ret 8
mov eax, dword [esi + 0x40]
test eax, eax
je 0x43c5c2
mov eax, dword [esi + 0x3c]
test eax, eax
je 0x43c5c2
cmp dword [esi + 0x38], eax
jne 0x43c5c2
mov edx, dword [esi]
mov ecx, esi
call dword [edx + 0x10]
mov dword [esp + 0xc], eax
fild dword [esp + 0xc]
sub esp, 8
mov ecx, edi
fstp qword [esp]
push str.error
call fcn.00490e10
xor eax, eax
pop edi
pop esi
mov esp, ebp
pop ebp
ret 8
fld qword [0x540670]
sub esp, 8
fstp qword [esp]
push str.error
mov ecx, edi
call fcn.00490e10
xor eax, eax
pop edi
pop esi
mov esp, ebp
pop ebp
ret 8
mov eax, dword [0x555068]
cmp eax, 0xffffffff
jne 0x43c603
mov eax, str.QAHook_SlowDownStream
call fcn.0043bd40
neg al
sbb eax, eax
neg eax
mov dword [0x555068], eax
cmp eax, 1
jne 0x43c62c
mov eax, dword [0x562e98]
mov ecx, dword [esi + 0x38]
add eax, 0x3e8
cmp ecx, eax
mov dword [0x562e98], ecx
jl 0x43c624
mov dword [0x562e98], eax
fild dword [0x562e98]
jmp 0x43c68d
mov eax, dword [0x555070]
cmp eax, 0xffffffff
jne 0x43c64b
mov eax, str.QAHook_StreamFail
call fcn.0043bd40
neg al
sbb eax, eax
neg eax
mov dword [0x555070], eax
cmp eax, 1
jne 0x43c68a
fld qword [0x53dff8]
sub esp, 8
fstp qword [esp]
push str.position
mov ecx, edi
call fcn.00490e10
fld qword [0x53dff8]
sub esp, 8
fstp qword [esp]
push 0x540658
mov ecx, edi
call fcn.00490e10
xor eax, eax
pop edi
pop esi
mov esp, ebp
pop ebp
ret 8
fild dword [esi + 0x38]
sub esp, 8
fstp qword [esp]
mov ecx, edi
push str.position
call fcn.00490e10
fild dword [esi + 0x3c]
sub esp, 8
mov ecx, edi
fstp qword [esp]
push 0x540658
call fcn.00490e10
xor eax, eax
pop edi
pop esi
mov esp, ebp
pop ebp
ret 8
mov eax, dword [esi + 0x1c]
mov edi, dword [ebp + 0xc]
push eax
mov ecx, edi
call fcn.00463050
mov edi, dword [edi]
mov ecx, edi
and ecx, 7
cmp cl, 7
jne 0x43c6de
and edi, 0xfffffff8
mov edi, dword [edi + 4]
mov edx, dword [esi + 0x20]
push edx
and edi, 0xfffffff8
push str.name
mov ecx, edi
call fcn.004900f0
mov eax, dword [esi]
lea ecx, [esp + 0x1c]
push ecx
mov ecx, esi
call dword [eax + 8]
mov edx, dword [eax]
push edx
push 0x540654
mov ecx, edi
call fcn.004900f0
mov eax, dword [esp + 0x1c]
push eax
call fcn.00439d00
add esp, 4
push str.www.macromedia.com
push str.domain
mov ecx, edi
call fcn.004900f0
mov ecx, dword [esi + 0x2c]
push ecx
push str.param
mov ecx, edi
call fcn.004900f0
fld qword [0x540678]
sub esp, 8
fstp qword [esp]
push str.mode
mov ecx, edi
call fcn.00490e10
pop edi
xor eax, eax
pop esi
mov esp, ebp
pop ebp
ret 8