Function at 0x100c8540
Capabilities:
Check if file exists
Check os version

Disassembly:
push ebp
mov ebp, esp
push 0xfffffffffffffffe
push 0x1026fc58
push 0x101be7b0
mov eax, dword fs:[0]
push eax
sub esp, 0x584
mov eax, dword [0x10283a3c]
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 eax, dword [ebp + 0xc]
mov dword [ebp - 0x550], eax
mov ebx, dword [ebp + 0x14]
xor edi, edi
test esi, esi
je 0x100c86d7
push esi
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x100c86d7
push 0x118
push edi
lea eax, [ebp - 0x544]
push eax
call fcn.101be270
add esp, 0xc
mov dword [ebp - 0x548], 0x11c
lea eax, [ebp - 0x548]
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
xor eax, eax
cmp dword [ebp - 0x544], 6
jb 0x100c86d9
mov dword [ebp - 0x594], 0x10
mov dword [ebp - 0x590], esi
mov dword [ebp - 0x58c], edi
mov dword [ebp - 0x588], edi
mov dword [ebp - 0x42c], 0xaac56b
mov dword [ebp - 0x428], 0x11d0cd44
mov dword [ebp - 0x424], 0xc000c28c
mov dword [ebp - 0x420], 0xee95c24f
mov dword [ebp - 0x554], eax
mov dword [ebp - 0x584], 0x34
mov dword [ebp - 0x580], eax
mov dword [ebp - 0x57c], eax
mov dword [ebp - 0x578], 2
mov dword [ebp - 0x574], eax
mov dword [ebp - 0x570], 1
mov dword [ebp - 0x568], 1
mov dword [ebp - 0x564], eax
mov dword [ebp - 0x560], eax
or eax, 0x1080
mov dword [ebp - 0x55c], eax
mov dword [ebp - 0x558], edi
lea eax, [ebp - 0x594]
mov dword [ebp - 0x56c], eax
mov dword [ebp - 4], edi
lea eax, [ebp - 0x584]
push eax
lea eax, [ebp - 0x42c]
push eax
push edi
call sub.WINTRUST.dll_WinVerifyTrust
cmp eax, 0x800b0100
jne 0x100c86bf
mov dword [ebx], edi
mov dword [ebp - 0x54c], 1
mov dword [ebp - 4], 0xfffffffe
lea eax, [edi + 1]
jmp 0x100c86d9
mov dword [ebx], 1
test eax, eax
je 0x100c86f7
cmp eax, 0x800b0101
je 0x100c86f7
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.1017034a
mov esp, ebp
pop ebp
ret 0x10
push dword [ebp - 0x564]
call sub.WINTRUST.dll_WTHelperProvDataFromStateData
test eax, eax
je 0x100c87cb
cmp dword [eax + 0x40], 0
jbe 0x100c87cb
mov eax, dword [eax + 0x44]
test eax, eax
je 0x100c87cb
mov eax, dword [eax + 0x28]
test eax, eax
je 0x100c87cb
mov ecx, dword [eax + 0x10]
test ecx, ecx
je 0x100c87cb
cmp dword [eax + 0xc], 0
jbe 0x100c87cb
mov eax, dword [ecx]
test eax, eax
je 0x100c87cb
cmp dword [eax + 0xc], 0
jbe 0x100c87cb
mov eax, dword [eax + 0x10]
test eax, eax
je 0x100c87cb
mov eax, dword [eax]
test eax, eax
je 0x100c87cb
mov esi, dword [eax + 4]
test esi, esi
je 0x100c87cb
push 0x400
push 0
lea eax, [ebp - 0x41c]
push eax
call fcn.101be270
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]
mov edx, eax
lea eax, [edx - 1]
cmp eax, 0x1fe
ja 0x100c87cb
mov ecx, dword [ebp + 0x10]
cmp edx, ecx
jae 0x100c87cb
lea eax, [ebp - 0x41c]
push eax
push 0x1021e950
push ecx
push dword [ebp - 0x550]
call fcn.10035f80
add esp, 0x10
mov edi, 1
mov dword [ebp - 0x54c], edi
mov esi, dword [ebp - 0x564]
push 0x34
push 0
lea eax, [ebp - 0x584]
push eax
call fcn.101be270
add esp, 0xc
mov dword [ebp - 0x584], 0x34
mov dword [ebp - 0x564], esi
mov dword [ebp - 0x568], 2
lea eax, [ebp - 0x584]
push eax
lea eax, [ebp - 0x42c]
push eax
push 0
call sub.WINTRUST.dll_WinVerifyTrust
mov dword [ebp - 4], 0xfffffffe
mov eax, edi
jmp 0x100c86d9