Function at 0x40dbb0
Capabilities:
Encrypt data using rc4 ksa
Read file on windows

Disassembly:
sub esp, 0x230
lea eax, [esp + 0xc]
push ebx
xor ebx, ebx
test eax, eax
jne 0x40e0c5
push ebx
push ebx
push ebx
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_LockFile]
xor eax, eax
movsx ecx, ax
mov byte [esp + ecx + 4], al
xor eax, eax
lea ecx, [esp + 4]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40dbdf
xor eax, eax
lea ecx, [esp + 4]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40dbef
inc eax
cmp ax, 0x100
jl 0x40dbd2
xor eax, eax
lea ecx, [esp + 4]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40dc06
push ebp
mov byte [esp + 0x10], bl
mov ebp, dword [esp + 0x10]
push esi
push edi
mov byte [esp + 0x14], bl
mov byte [esp + 0x15], bl
mov byte [esp + 0x1c], bl
jmp 0x40dc2b
xor ebx, ebx
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40dc31
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40dc41
xor ecx, ecx
lea eax, [esp + 0x10]
mov byte [eax], cl
inc ecx
inc eax
cmp cx, 0x100
jl 0x40dc51
mov eax, dword [esp + 0x1c]
xor ebx, ebx
movsx edx, cx
and eax, 0xff
and ebp, 0xff
lea esi, [esp + edx + 0x10]
mov bl, byte [eax + 0x384]
mov dl, byte [esi]
mov edi, edx
and edi, 0xff
add ebx, edi
add ebx, ebp
and ebx, 0x800000ff
jns 0x40dc98
dec ebx
or ebx, 0xffffff00
inc ebx
mov byte [esp + 0x18], bl
mov ebp, dword [esp + 0x18]
mov edi, ebp
and edi, 0xff
inc eax
mov bl, byte [esp + edi + 0x10]
lea edi, [esp + edi + 0x10]
mov byte [esi], bl
mov esi, 0x57
mov byte [edi], dl
cdq
idiv esi
inc ecx
cmp cx, 0x100
mov byte [esp + 0x1c], dl
jl 0x40dc29
mov edi, ebp
and edi, 0xff
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40dcdb
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40dceb
xor ecx, ecx
lea eax, [esp + 0x10]
mov byte [eax], cl
inc ecx
inc eax
cmp cx, 0x100
jl 0x40dcfb
movsx eax, cx
mov dl, byte [esp + eax + 0x10]
xor ebx, ebx
lea esi, [esp + eax + 0x10]
mov eax, dword [esp + 0x1c]
and eax, 0xff
mov ebp, edx
and ebp, 0xff
mov bl, byte [eax + 0x384]
add edi, ebx
add ebp, edi
mov ebx, ebp
and ebx, 0x800000ff
jns 0x40dd40
dec ebx
or ebx, 0xffffff00
inc ebx
mov byte [esp + 0x18], bl
mov edi, dword [esp + 0x18]
and edi, 0xff
inc eax
mov bl, byte [esp + edi + 0x10]
mov byte [esi], bl
mov byte [esp + edi + 0x10], dl
cdq
mov esi, 0x57
idiv esi
inc ecx
cmp cx, 0x100
mov byte [esp + 0x1c], dl
jl 0x40dcd5
xor ebx, ebx
push ebx
push ebx
push ebx
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_ReadFile]
xor eax, eax
movsx ecx, ax
mov byte [esp + ecx + 0x10], al
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40dd8d
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40dd9d
inc eax
cmp ax, 0x100
jl 0x40dd80
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40ddb4
mov byte [esp + 0x18], bl
mov byte [esp + 0x14], bl
mov ebp, dword [esp + 0x18]
mov byte [esp + 0x15], bl
mov byte [esp + 0x1c], bl
jmp 0x40ddd6
xor ebx, ebx
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40dddc
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40ddec
xor ecx, ecx
lea eax, [esp + 0x10]
mov byte [eax], cl
inc ecx
inc eax
cmp cx, 0x100
jl 0x40ddfc
mov eax, dword [esp + 0x1c]
xor ebx, ebx
movsx edx, cx
and eax, 0xff
and ebp, 0xff
lea esi, [esp + edx + 0x10]
mov bl, byte [eax + 0x384]
mov dl, byte [esi]
mov edi, edx
and edi, 0xff
add ebx, edi
add ebx, ebp
and ebx, 0x800000ff
jns 0x40de43
dec ebx
or ebx, 0xffffff00
inc ebx
mov byte [esp + 0x18], bl
mov ebp, dword [esp + 0x18]
mov edi, ebp
and edi, 0xff
inc eax
mov bl, byte [esp + edi + 0x10]
lea edi, [esp + edi + 0x10]
mov byte [esi], bl
mov esi, 0x57
mov byte [edi], dl
cdq
idiv esi
inc ecx
cmp cx, 0x100
mov byte [esp + 0x1c], dl
jl 0x40ddd4
mov edi, ebp
and edi, 0xff
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40de86
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40de96
xor ecx, ecx
lea eax, [esp + 0x10]
mov byte [eax], cl
inc ecx
inc eax
cmp cx, 0x100
jl 0x40dea6
movsx eax, cx
mov dl, byte [esp + eax + 0x10]
xor ebx, ebx
lea esi, [esp + eax + 0x10]
mov eax, dword [esp + 0x1c]
and eax, 0xff
mov ebp, edx
and ebp, 0xff
mov bl, byte [eax + 0x384]
add edi, ebx
add ebp, edi
mov ebx, ebp
and ebx, 0x800000ff
jns 0x40deeb
dec ebx
or ebx, 0xffffff00
inc ebx
mov byte [esp + 0x18], bl
mov edi, dword [esp + 0x18]
and edi, 0xff
inc eax
mov bl, byte [esp + edi + 0x10]
mov byte [esi], bl
mov byte [esp + edi + 0x10], dl
cdq
mov esi, 0x57
idiv esi
inc ecx
cmp cx, 0x100
mov byte [esp + 0x1c], dl
jl 0x40de80
call dword [sym.imp.KERNEL32.dll_GetLastError]
xor ecx, ecx
xor eax, eax
movsx edx, ax
mov byte [esp + edx + 0x10], al
xor eax, eax
lea edx, [esp + 0x10]
mov byte [edx], al
inc eax
inc edx
cmp ax, 0x100
jl 0x40df33
xor eax, eax
lea edx, [esp + 0x10]
mov byte [edx], al
inc eax
inc edx
cmp ax, 0x100
jl 0x40df43
inc eax
cmp ax, 0x100
jl 0x40df26
xor eax, eax
lea edx, [esp + 0x10]
mov byte [edx], al
inc eax
inc edx
cmp ax, 0x100
jl 0x40df5a
mov byte [esp + 0x18], cl
mov byte [esp + 0x14], cl
mov ebp, dword [esp + 0x18]
mov byte [esp + 0x15], cl
mov byte [esp + 0x1c], cl
jmp 0x40df7c
xor ecx, ecx
xor eax, eax
lea edx, [esp + 0x10]
mov byte [edx], al
inc eax
inc edx
cmp ax, 0x100
jl 0x40df82
xor eax, eax
lea edx, [esp + 0x10]
mov byte [edx], al
inc eax
inc edx
cmp ax, 0x100
jl 0x40df92
lea eax, [esp + 0x10]
mov byte [eax], cl
inc ecx
inc eax
cmp cx, 0x100
jl 0x40dfa0
movsx eax, cx
mov dl, byte [esp + eax + 0x10]
xor ebx, ebx
lea esi, [esp + eax + 0x10]
mov eax, dword [esp + 0x1c]
and eax, 0xff
mov edi, edx
and edi, 0xff
and ebp, 0xff
mov bl, byte [eax + 0x384]
add ebx, edi
add ebx, ebp
and ebx, 0x800000ff
jns 0x40dfe9
dec ebx
or ebx, 0xffffff00
inc ebx
mov byte [esp + 0x18], bl
mov ebp, dword [esp + 0x18]
mov edi, ebp
and edi, 0xff
inc eax
mov bl, byte [esp + edi + 0x10]
lea edi, [esp + edi + 0x10]
mov byte [esi], bl
mov esi, 0x57
mov byte [edi], dl
cdq
idiv esi
inc ecx
cmp cx, 0x100
mov byte [esp + 0x1c], dl
jl 0x40df7a
mov edi, ebp
and edi, 0xff
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40e02c
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40e03c
xor ecx, ecx
lea eax, [esp + 0x10]
mov byte [eax], cl
inc ecx
inc eax
cmp cx, 0x100
jl 0x40e04c
mov eax, dword [esp + 0x1c]
xor ebx, ebx
movsx edx, cx
and eax, 0xff
lea esi, [esp + edx + 0x10]
mov bl, byte [eax + 0x384]
mov dl, byte [esi]
add edi, ebx
mov ebp, edx
and ebp, 0xff
add ebp, edi
mov ebx, ebp
and ebx, 0x800000ff
jns 0x40e08f
dec ebx
or ebx, 0xffffff00
inc ebx
mov byte [esp + 0x18], bl
mov edi, dword [esp + 0x18]
and edi, 0xff
inc eax
mov bl, byte [esp + edi + 0x10]
mov byte [esi], bl
mov byte [esp + edi + 0x10], dl
cdq
mov esi, 0x57
idiv esi
inc ecx
cmp cx, 0x100
mov byte [esp + 0x1c], dl
jl 0x40e026
pop edi
pop esi
xor ebx, ebx
pop ebp
mov ecx, dword [0x4353d0]
push 0x100
lea eax, [esp + 0x38]
push ebx
push eax
call dword [ecx + 0x21c]
mov edx, dword [esp + 0x244]
mov ecx, dword [0x4353d0]
lea eax, [esp + 0x40]
push edx
push eax
call dword [ecx + 0x1e8]
mov eax, dword [0x4353d0]
push 0x100
lea edx, [esp + 0x14c]
push ebx
push edx
call dword [eax + 0x21c]
mov ecx, dword [esp + 0x25c]
mov eax, dword [0x4353d0]
lea edx, [esp + 0x154]
push ecx
push edx
call dword [eax + 0x1e8]
mov edx, dword [0x4353d0]
push 0x1e
lea ecx, [esp + 0x40]
push ebx
push ecx
call dword [edx + 0x21c]
lea eax, [esp + 0x68]
add esp, 0x34
mov dword [esp + 0x1c], eax
mov eax, dword [0x4353d0]
lea edx, [esp + 0x14]
lea ecx, [esp + 0x134]
push edx
mov dword [esp + 0x18], ebx
mov dword [esp + 0x1c], 4
mov dword [esp + 0x24], ecx
mov word [esp + 0x28], 0x614
call dword [eax + 0x114]
neg eax
sbb eax, eax
pop ebx
inc eax
add esp, 0x230
ret 8