Function at 0x43f800
Capabilities:
Encode data using xor
Resolve function by parsing pe exports

Disassembly:
push 0xffffffffffffffff
push 0x4d8db8
mov eax, dword fs:[0]
push eax
mov eax, 0x7c
call fcn.00468d20
mov eax, dword [0x5808f0]
xor eax, esp
mov dword [esp + 0x78], eax
push ebx
push ebp
push esi
push edi
mov eax, dword [0x5808f0]
xor eax, esp
push eax
lea eax, [esp + 0x90]
mov dword fs:[0], eax
xor eax, eax
mov ebp, ecx
xor ebx, ebx
lea ecx, [esp + 0x54]
mov byte [esp + 0x78], bl
mov dword [esp + 0x79], eax
mov dword [esp + 0x7d], eax
mov dword [esp + 0x81], eax
mov dword [esp + 0x85], eax
mov byte [esp + 0x89], al
mov byte [esp + 0x17], bl
call fcn.00424cc0
mov esi, 7
xor eax, eax
mov dword [esp + 0x98], ebx
mov dword [esp + 0x50], esi
mov dword [esp + 0x4c], ebx
mov word [esp + 0x3c], ax
lea ecx, [esp + 0x18]
push ecx
mov byte [esp + 0x9c], 1
call fcn.0041ae00
add esp, 4
cmp eax, 0xc356
je 0x43f8e6
mov edx, dword [esp + 0x18]
push edx
call fcn.004690f0
push str.Wrong_pass_file_size_n
call fcn.0041a700
add esp, 8
cmp dword [esp + 0x50], 8
jb 0x43f8d2
mov eax, dword [esp + 0x3c]
push eax
call fcn.004699ce
add esp, 4
xor ecx, ecx
mov dword [esp + 0x50], esi
mov dword [esp + 0x4c], ebx
mov word [esp + 0x3c], cx
jmp 0x43fac2
mov edx, dword [ebp + 0x24]
mov eax, dword [esp + 0x18]
push 0x61a8
push edx
add eax, 6
push eax
call fcn.00403440
mov ecx, dword [esp + 0x24]
push ecx
call fcn.004690f0
add esp, 0x10
cmp dword [0x584064], ebx
je 0x43f91d
mov ecx, 0x4ee3b0
mov eax, 0x4e4710
jmp 0x43f927
mov ecx, 0x4ee36c
mov eax, str.Choose_encrypted_file
lea edx, [esp + 0x38]
push edx
push ecx
push eax
mov ecx, ebp
call fcn.0042bd50
test al, al
je 0x43f8be
push 1
or esi, 0xffffffff
push esi
push 0x4e1750
lea ecx, [esp + 0x44]
call fcn.0041b940
cmp eax, esi
jne 0x43f973
push str.Error_searching_extension..._n
call fcn.0041a700
add esp, 4
lea ecx, [esp + 0x38]
call fcn.0041b5b0
mov dword [esp + 0x98], esi
jmp 0x43facd
push esi
push eax
lea edx, [esp + 0x24]
push edx
lea ecx, [esp + 0x44]
call fcn.0041c930
push esi
push ebx
push eax
lea ecx, [ebp + 4]
mov byte [esp + 0xa4], 2
call fcn.0041c410
lea ecx, [esp + 0x1c]
mov byte [esp + 0x98], 1
call fcn.0041b5b0
cmp dword [esp + 0x50], 8
mov eax, dword [esp + 0x3c]
jae 0x43f9b6
lea eax, [esp + 0x3c]
push ebx
push eax
lea ecx, [esp + 0x5c]
call fcn.00424d40
lea ecx, [esp + 0x54]
call fcn.00424740
test al, al
jne 0x43f9f0
push str.Cant_open_test_file_n
call fcn.0041a700
add esp, 4
lea ecx, [esp + 0x38]
call fcn.0041b5b0
mov dword [esp + 0x98], esi
jmp 0x43facd
lea ecx, [esp + 0x54]
call fcn.00424be0
cmp edx, ebx
jg 0x43fa26
jl 0x43fa04
cmp eax, 0x10
jae 0x43fa26
push str.File_is_too_small_n
call fcn.0041a700
add esp, 4
lea ecx, [esp + 0x38]
call fcn.0041b5b0
mov dword [esp + 0x98], esi
jmp 0x43facd
push ebx
push 0x10
lea eax, [esp + 0x80]
push eax
push ebx
push ebx
lea ecx, [esp + 0x68]
call fcn.00424750
mov edi, dword [ebp + 0x24]
lea ecx, [esp + 0x7c]
mov edx, edi
mov esi, 3
lea ebx, [ebx]
mov eax, dword [ecx]
bswap eax
mov dword [ecx], eax
mov ebx, dword [edx]
xor ebx, eax
ror ebx, 5
mov dword [ecx], ebx
add ecx, 4
add edx, 4
sub esi, 1
jne 0x43fa50
mov cl, byte [esp + 0x17]
mov eax, 2
movzx edx, cl
mov edx, dword [edi + edx*4]
xor dword [esp + eax*2 + 0x78], edx
inc eax
inc cl
cmp eax, 8
jl 0x43fa73
lea eax, [esp + 0x78]
push 0x10
push eax
call fcn.0041a7a0
add esp, 8
cmp dword [esp + 0x50], 8
mov byte [ebp + 0x20], al
jb 0x43faab
mov ecx, dword [esp + 0x3c]
push ecx
call fcn.004699ce
add esp, 4
xor edx, edx
mov dword [esp + 0x50], 7
mov dword [esp + 0x4c], 0
mov word [esp + 0x3c], dx
mov dword [esp + 0x98], 0xffffffff
lea ecx, [esp + 0x54]
call fcn.00424ce0
mov ecx, dword [esp + 0x90]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x78]
xor ecx, esp
call fcn.004690b5
add esp, 0x88
ret