Function at 0x493a30
Capabilities:
Check if file exists
Check os version

Disassembly:
push ebp
mov ebp, esp
push 0xfffffffffffffffe
push 0x576510
push 0x4d3610
mov eax, dword fs:[0]
push eax
sub esp, 0x57c
mov eax, dword [0x583bb4]
xor dword [ebp - 8], eax
xor eax, ebp
mov dword [ebp - 0x1c], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0x10]
mov dword fs:[0], eax
mov dword [ebp - 0x18], esp
mov esi, dword [ebp + 8]
mov ebx, dword [ebp + 0xc]
test ebx, ebx
jne 0x493a7d
mov eax, 1
jmp 0x493bac
test esi, esi
je 0x493baa
push esi
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x493baa
push 0x118
push 0
lea eax, [ebp - 0x544]
push eax
call fcn.004d1a10
add esp, 0xc
mov dword [ebp - 0x548], 0x11c
lea eax, [ebp - 0x548]
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
cmp dword [ebp - 0x544], 6
jb 0x493a73
mov dword [ebp - 0x588], 0x10
mov dword [ebp - 0x584], esi
mov dword [ebp - 0x580], 0
mov dword [ebp - 0x57c], 0
mov dword [ebp - 0x42c], 0xaac56b
mov dword [ebp - 0x428], 0x11d0cd44
mov dword [ebp - 0x424], 0xc000c28c
mov dword [ebp - 0x420], 0xee95c24f
xor eax, eax
mov dword [ebp - 0x578], 0x30
mov dword [ebp - 0x574], eax
mov dword [ebp - 0x570], eax
mov dword [ebp - 0x56c], 2
mov dword [ebp - 0x568], eax
mov dword [ebp - 0x564], 1
mov dword [ebp - 0x55c], 1
mov dword [ebp - 0x558], eax
mov dword [ebp - 0x554], eax
or eax, 0x1080
mov dword [ebp - 0x550], eax
mov dword [ebp - 0x54c], 0
lea eax, [ebp - 0x588]
mov dword [ebp - 0x560], eax
xor edi, edi
mov dword [ebp - 4], edi
lea eax, [ebp - 0x578]
push eax
lea eax, [ebp - 0x42c]
push eax
push edi
call sub.WINTRUST.dll_WinVerifyTrust
test eax, eax
je 0x493bc8
cmp eax, 0x800b0101
je 0x493bc8
mov dword [ebp - 4], 0xfffffffe
xor eax, eax
mov ecx, dword [ebp - 0x10]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x1c]
xor ecx, ebp
call fcn.0049a028
mov esp, ebp
pop ebp
ret
push dword [ebp - 0x558]
call sub.WINTRUST.dll_WTHelperProvDataFromStateData
test eax, eax
je 0x493c7f
cmp dword [eax + 0x40], 0
jbe 0x493c7f
mov eax, dword [eax + 0x44]
test eax, eax
je 0x493c7f
mov eax, dword [eax + 0x28]
test eax, eax
je 0x493c7f
mov ecx, dword [eax + 0x10]
test ecx, ecx
je 0x493c7f
cmp dword [eax + 0xc], 0
jbe 0x493c7f
mov eax, dword [ecx]
test eax, eax
je 0x493c7f
cmp dword [eax + 0xc], 0
jbe 0x493c7f
mov eax, dword [eax + 0x10]
test eax, eax
je 0x493c7f
mov eax, dword [eax]
test eax, eax
je 0x493c7f
mov esi, dword [eax + 4]
test esi, esi
je 0x493c7f
push 0x400
push 0
lea eax, [ebp - 0x41c]
push eax
call fcn.004d1a10
add esp, 0xc
push 0x200
lea eax, [ebp - 0x41c]
push eax
push 0
push 0
push 4
push esi
call dword [sym.imp.CRYPT32.dll_CertGetNameStringW]
dec eax
cmp eax, 0x1fe
ja 0x493c7f
push ebx
lea eax, [ebp - 0x41c]
push eax
call fcn.004fc6e2
add esp, 8
mov ecx, 1
test eax, eax
cmove edi, ecx
mov dword [ebp - 0x58c], edi
mov esi, dword [ebp - 0x558]
push 0x30
push 0
lea eax, [ebp - 0x578]
push eax
call fcn.004d1a10
add esp, 0xc
mov dword [ebp - 0x578], 0x30
mov dword [ebp - 0x558], esi
mov dword [ebp - 0x55c], 2
lea eax, [ebp - 0x578]
push eax
lea eax, [ebp - 0x42c]
push eax
push 0
call sub.WINTRUST.dll_WinVerifyTrust
mov dword [ebp - 4], 0xfffffffe
mov eax, edi
jmp 0x493bac