Function at 0x401b80
Capabilities:
Check if file exists
Create process on windows

Disassembly:
push ebx
mov ebx, esp
sub esp, 8
and esp, 0xfffffff8
add esp, 4
push ebp
mov ebp, dword [ebx + 4]
mov dword [esp + 4], ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x42c1ab
mov eax, dword fs:[0]
push eax
push ebx
sub esp, 0x470
mov eax, dword [0x440068]
xor eax, ebp
mov dword [ebp - 0x14], eax
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x438], ecx
mov edi, dword [ebx + 8]
mov dword [ebp - 4], 0
cmp dword [ebx + 0x1c], 0
je 0x401d8c
lea edx, [ebx + 0xc]
lea ecx, [ebp - 0x430]
call fcn.00405910
mov esi, eax
lea eax, [ebx + 0xc]
cmp eax, esi
je 0x401c1d
mov ecx, eax
call fcn.004040b0
movups xmm0, xmmword [esi]
xor eax, eax
movups xmmword [ebx + 0xc], xmm0
movq xmm0, qword [esi + 0x10]
movq qword [ebx + 0x1c], xmm0
mov dword [esi + 0x10], 0
mov dword [esi + 0x14], 7
mov word [esi], ax
mov edx, dword [ebp - 0x41c]
cmp edx, 8
jb 0x401c5d
mov ecx, dword [ebp - 0x430]
lea edx, [edx*2 + 2]
mov eax, ecx
cmp edx, 0x1000
jb 0x401c53
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x401ded
push edx
push ecx
call fcn.004152ff
add esp, 8
cmp dword [ebx + 0x20], 8
lea eax, [ebx + 0xc]
cmovae eax, dword [ebx + 0xc]
push eax
call dword [sym.imp.SHELL32.dll_PathIsExe]
test eax, eax
je 0x401c8d
cmp dword [ebx + 0x20], 8
lea eax, [ebx + 0xc]
cmovae eax, dword [ebx + 0xc]
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x401d8c
push 0x400
lea eax, [ebp - 0x418]
push 0
push eax
call fcn.00417b20
mov ecx, dword [ebp - 0x438]
add esp, 0xc
cmp dword [ecx + 0x14], 8
jb 0x401cb1
mov ecx, dword [ecx]
cmp dword [edi + 0x14], 8
jb 0x401cb9
mov edi, dword [edi]
cmp dword [ebx + 0x20], 8
lea eax, [ebx + 0xc]
push ecx
cmovae eax, dword [ebx + 0xc]
push edi
push eax
lea eax, [ebp - 0x418]
push str.__s___s__s
push eax
call fcn.004044f0
add esp, 0x14
mov dword [ebp - 0x480], 0x44
xor esi, esi
mov dword [ebp - 0x454], 1
lea ecx, [ebp - 0x428]
xor eax, eax
cmp dword [ebx + 0x20], 8
xorps xmm0, xmm0
push ecx
lea ecx, [ebp - 0x480]
mov word [ebp - 0x43e], ax
push ecx
push esi
push esi
push esi
push esi
push esi
mov eax, 5
movlpd qword [ebp - 0x47c], xmm0
mov word [ebp - 0x450], ax
lea ecx, [ebp - 0x418]
push esi
lea eax, [ebx + 0xc]
movlpd qword [ebp - 0x474], xmm0
cmovae eax, dword [ebx + 0xc]
push ecx
push eax
movups xmmword [ebp - 0x428], xmm0
movlpd qword [ebp - 0x46c], xmm0
movlpd qword [ebp - 0x464], xmm0
movlpd qword [ebp - 0x45c], xmm0
movlpd qword [ebp - 0x44e], xmm0
movlpd qword [ebp - 0x446], xmm0
call dword [sym.imp.KERNEL32.dll_CreateProcessW]
test eax, eax
jne 0x401d81
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
test esi, esi
sete byte [ebp - 0x431]
jmp 0x401d93
mov byte [ebp - 0x431], 0
mov edx, dword [ebx + 0x20]
cmp edx, 8
jb 0x401dc9
mov ecx, dword [ebx + 0xc]
lea edx, [edx*2 + 2]
mov eax, ecx
cmp edx, 0x1000
jb 0x401dbf
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x401df2
push edx
push ecx
call fcn.004152ff
add esp, 8
mov al, byte [ebp - 0x431]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.00415024
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret
call fcn.0041b091
call fcn.0041b091
int3