Function at 0x421720
Capabilities:
Check if file exists
Create shortcut via ishelllink

Disassembly:
push 0xffffffffffffffff
push 0x4bd946
mov eax, dword fs:[0]
push eax
sub esp, 0xa18
mov eax, dword [0x4e7d04]
xor eax, esp
mov dword [esp + 0xa14], eax
push ebx
push ebp
push esi
mov eax, dword [0x4e7d04]
xor eax, esp
push eax
lea eax, [esp + 0xa28]
mov dword fs:[0], eax
mov eax, dword [esp + 0xa38]
mov ebp, dword [esp + 0xa3c]
push edi
mov dword [esp + 0x1c], eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x4217d6
xor ebx, ebx
mov dword [esp + 0x10], ebx
mov dword [esp + 0xa30], ebx
mov dword [esp + 0x14], ebx
lea ecx, [esp + 0x10]
push ecx
push 0x4d2304
push 0x17
push ebx
push 0x4d0804
call dword [sym.imp.ole32.dll_CoCreateInstance]
cmp eax, ebx
jge 0x4217dd
mov byte [esp + 0xa30], bl
mov eax, dword [esp + 0x14]
cmp eax, ebx
je 0x4217bb
mov edx, dword [eax]
push eax
mov eax, dword [edx + 8]
call eax
mov dword [esp + 0xa30], 0xffffffff
mov eax, dword [esp + 0x10]
cmp eax, ebx
je 0x4217d6
mov ecx, dword [eax]
mov edx, dword [ecx + 8]
push eax
call edx
xor eax, eax
jmp 0x421995
mov byte [esp + 0xa30], 2
mov esi, dword [esp + 0x10]
lea eax, [esp + 0x14]
call fcn.00421fc0
test al, al
mov eax, dword [esp + 0x10]
jne 0x42182b
mov esi, dword [esp + 0x14]
mov dword [esp + 0x14], ebx
cmp eax, ebx
je 0x42181b
mov ecx, dword [eax]
lea edx, [esp + 0x14]
push edx
push 0x4d2330
push eax
mov eax, dword [ecx]
call eax
mov eax, dword [esp + 0x10]
cmp esi, ebx
je 0x42182b
mov ecx, dword [esi]
mov edx, dword [ecx + 8]
push esi
call edx
mov eax, dword [esp + 0x10]
mov dword [esp + 0xa30], 1
cmp dword [esp + 0x14], ebx
jne 0x421849
mov dword [esp + 0xa30], 0xffffffff
jmp 0x4217ca
mov ecx, dword [eax]
mov edx, dword [ecx + 0x50]
push edi
push eax
call edx
test eax, eax
jge 0x421876
mov byte [esp + 0xa30], bl
mov eax, dword [esp + 0x14]
cmp eax, ebx
je 0x4217bb
mov ecx, dword [eax]
mov edx, dword [ecx + 8]
push eax
call edx
jmp 0x4217bb
mov eax, dword [esp + 0x10]
mov ecx, dword [eax]
mov edx, dword [ecx + 0x3c]
push 5
push eax
call edx
test eax, eax
jl 0x421856
push 0x800
lea eax, [esp + 0x228]
push ebx
push eax
call fcn.00482260
push 0x400
lea ecx, [esp + 0x234]
push edi
push ecx
call fcn.004856e8
add esp, 0x18
lea edx, [esp + 0x224]
push edx
call dword [sym.imp.SHLWAPI.dll_PathRemoveFileSpecW]
push 0x208
lea eax, [esp + 0x20]
push ebx
push eax
call fcn.00482260
add esp, 0xc
push 0x104
lea ecx, [esp + 0x20]
push ecx
push ebp
call dword [sym.imp.KERNEL32.dll_GetShortPathNameW]
mov ecx, dword [esp + 0xa40]
mov eax, dword [esp + 0x10]
mov edx, dword [eax]
mov edx, dword [edx + 0x44]
push ecx
lea ecx, [esp + 0x20]
push ecx
push eax
call edx
mov eax, dword [esp + 0x10]
mov ecx, dword [eax]
lea edx, [esp + 0x224]
push edx
push eax
mov eax, dword [ecx + 0x24]
call eax
test eax, eax
jl 0x421856
mov eax, dword [esp + 0x14]
mov edx, dword [esp + 0x18]
mov ecx, dword [eax]
push 1
push edx
push eax
mov eax, dword [ecx + 0x18]
call eax
test eax, eax
jl 0x421856
cmp dword [esp + 0xa44], ebx
je 0x42195e
push ebx
push 0x2a
push 0x1a
push 0xffff
call dword [sym.imp.USER32.dll_PostMessageW]
push ebx
push ebx
push 0x1000
push 0x8000000
call dword [sym.imp.SHELL32.dll_SHChangeNotify]
mov byte [esp + 0xa30], bl
mov eax, dword [esp + 0x14]
cmp eax, ebx
je 0x421975
mov ecx, dword [eax]
mov edx, dword [ecx + 8]
push eax
call edx
mov dword [esp + 0xa30], 0xffffffff
mov eax, dword [esp + 0x10]
cmp eax, ebx
je 0x421990
mov ecx, dword [eax]
mov edx, dword [ecx + 8]
push eax
call edx
mov eax, 1
mov ecx, dword [esp + 0xa28]
mov dword fs:[0], ecx
pop ecx
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0xa14]
xor ecx, esp
call fcn.004820d9
add esp, 0xa24
ret 0x10