Function at 0x421960
Capabilities:
Check if file exists
Create directory
Get common file path

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4557c7
mov eax, dword fs:[0]
push eax
sub esp, 0x60
push ebx
push esi
push edi
mov eax, dword [0x478024]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x24], ecx
mov dword [ebp - 0x18], 0
xor edi, edi
mov dword [ebp - 0x2c], 0
mov dword [ebp - 0x28], edi
mov dword [ebp - 4], edi
lea eax, [ebp - 0x20]
push eax
push 0x23
push edi
call dword [sym.imp.SHELL32.dll_SHGetSpecialFolderLocation]
test eax, eax
jns 0x421a2d
push str.Shell32.dll
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
test eax, eax
je 0x421aa3
push str.SHGetSpecialFolderPathW
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, eax
test esi, esi
je 0x421aa3
push 0x20a
call fcn.004388a8
add esp, 4
mov edi, eax
mov dword [ebp - 0x28], edi
mov dword [ebp - 0x2c], 0x105
push 0
push 0x23
push edi
push 0
call esi
mov ebx, 0x5c
test eax, eax
je 0x421a28
xor edx, edx
mov ecx, edi
cmp word [edi], dx
je 0x421a28
nop
lea ecx, [ecx + 2]
inc edx
cmp word [ecx], 0
jne 0x421a10
test edx, edx
je 0x421a28
cmp word [edi + edx*2 - 2], bx
je 0x421a28
mov dword [edi + edx*2], ebx
cmp eax, 1
jmp 0x421a9c
push 0x20a
call fcn.004388a8
add esp, 4
mov edi, eax
mov dword [ebp - 0x28], edi
mov dword [ebp - 0x2c], 0x105
push edi
push dword [ebp - 0x20]
call dword [sym.imp.SHELL32.dll_SHGetPathFromIDListW]
mov esi, eax
mov ebx, 0x5c
test esi, esi
je 0x421a7c
xor edx, edx
mov ecx, edi
cmp word [edi], dx
je 0x421a7c
lea ecx, [ecx + 2]
inc edx
cmp word [ecx], 0
jne 0x421a64
test edx, edx
je 0x421a7c
cmp word [edi + edx*2 - 2], bx
je 0x421a7c
mov dword [edi + edx*2], ebx
lea eax, [ebp - 0x1c]
mov dword [ebp - 0x1c], 0
push eax
call dword [sym.imp.SHELL32.dll_SHGetMalloc]
mov ecx, dword [ebp - 0x1c]
push dword [ebp - 0x20]
push ecx
mov eax, dword [ecx]
call dword [eax + 0x14]
cmp esi, 1
sete al
test al, al
jne 0x421aaa
xor bl, bl
jmp 0x421ca8
push edi
lea ecx, [ebp - 0x14]
call fcn.00404120
mov byte [ebp - 4], 1
push edi
call fcn.00438f5b
add esp, 4
lea ecx, [ebp - 0x14]
xor edi, edi
mov dword [ebp - 0x28], edi
mov dword [ebp - 0x2c], edi
push 0xc
push str.ADVINST_LOGS
call fcn.00403530
push dword [ebp - 0x14]
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
jne 0x421b80
mov dword [ebp - 0x68], edi
mov dword [ebp - 0x64], edi
mov dword [ebp - 0x60], edi
mov byte [ebp - 4], 2
mov dword [ebp - 0x5c], eax
mov dword [ebp - 0x58], eax
mov dword [ebp - 0x54], eax
mov byte [ebp - 4], 3
mov dword [ebp - 0x50], eax
mov dword [ebp - 0x4c], eax
mov dword [ebp - 0x48], eax
mov dword [ebp - 0x44], eax
mov dword [ebp - 0x40], eax
mov dword [ebp - 0x3c], eax
mov byte [ebp - 4], 4
push eax
push ecx
push str.Everyone
lea ecx, [ebp - 0x68]
call fcn.00434df0
lea ecx, [ebp - 0x68]
call fcn.00435370
test eax, eax
jne 0x421b46
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x68]
call fcn.00434ca0
xor bl, bl
jmp 0x421c89
mov eax, dword [ebp - 0x4c]
mov dword [ebp - 0x34], eax
lea eax, [ebp - 0x38]
push eax
push dword [ebp - 0x14]
mov dword [ebp - 0x38], 0xc
mov dword [ebp - 0x30], 0
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
mov esi, eax
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x68]
call fcn.00434ca0
test esi, esi
jne 0x421b80
xor bl, bl
jmp 0x421c89
mov eax, dword [ebp - 0x14]
mov ebx, dword [eax - 0xc]
lea esi, [ebx + 1]
test esi, esi
js 0x421cdc
mov ecx, dword [eax - 8]
mov edx, 1
sub edx, dword [eax - 4]
sub ecx, esi
or ecx, edx
jge 0x421bae
push esi
lea ecx, [ebp - 0x14]
call fcn.00403ef0
mov eax, dword [ebp - 0x14]
mov ecx, 0x5c
mov word [eax + ebx*2], cx
mov eax, dword [ebp - 0x14]
cmp esi, dword [eax - 8]
jg 0x421cdc
mov dword [eax - 0xc], esi
xor ecx, ecx
mov eax, dword [ebp - 0x14]
mov word [eax + esi*2], cx
mov ecx, dword [ebp - 0x24]
add ecx, 0x28
mov eax, dword [ecx]
cmp dword [eax - 0xc], 0
jne 0x421bf0
lea ecx, [ebp - 0x20]
call fcn.00421eb0
mov byte [ebp - 4], 5
mov ebx, 1
jmp 0x421c05
push ecx
lea ecx, [ebp - 0x24]
call fcn.00407510
mov dword [ebp - 4], 6
mov ebx, 2
mov dword [ebp - 0x18], ebx
lea ecx, [ebp - 0x14]
mov eax, dword [eax]
push dword [eax - 0xc]
push eax
call fcn.00403530
mov dword [ebp - 4], 5
test bl, 2
je 0x421c4a
and ebx, 0xfffffffd
mov dword [ebp - 0x18], ebx
mov dword [ebp - 4], 5
or eax, 0xffffffff
mov edx, dword [ebp - 0x24]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x421c4a
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov dword [ebp - 4], 1
test bl, 1
je 0x421c7b
and ebx, 0xfffffffe
mov dword [ebp - 0x18], ebx
mov byte [ebp - 4], 1
or eax, 0xffffffff
mov edx, dword [ebp - 0x20]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x421c7b
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov ecx, dword [ebp + 8]
lea eax, [ebp - 0x14]
push eax
call fcn.00407c70
mov bl, 1
mov byte [ebp - 4], 0
or eax, 0xffffffff
mov edx, dword [ebp - 0x14]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x421ca8
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov dword [ebp - 4], 0xffffffff
push edi
call fcn.00438f5b
add esp, 4
mov dword [ebp - 0x28], 0
mov dword [ebp - 0x2c], 0
mov al, bl
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
push 0x80070057
call fcn.00404020
int3