Function at 0x421926
Capabilities:
Check os version
Get common file path

Disassembly:
push 0xdf0
mov eax, 0x468e9d
call fcn.004436e9
mov ebx, ecx
mov esi, dword [ebp + 8]
xor eax, eax
push 0x3a
push eax
mov word [ebp - 0x4c], ax
lea eax, [ebp - 0x4a]
push eax
call fcn.004426c0
xor eax, eax
push 0x3fe
push eax
mov word [ebp - 0x44c], ax
lea eax, [ebp - 0x44a]
push eax
call fcn.004426c0
lea eax, [ebp - 0x44c]
push eax
lea eax, [ebp - 0x4c]
push eax
push str.Msi.DLL
call fcn.00440feb
lea eax, [ebp - 0x4c]
push eax
push esi
call fcn.00441ba9
add esp, 0x2c
test eax, eax
jns 0x421c4d
mov ecx, ebx
call fcn.0040bc7e
mov edi, eax
mov ecx, edi
call fcn.00436125
mov ecx, edi
mov esi, eax
call fcn.004378b5
test eax, eax
je 0x4219fe
cmp dword [esi + 8], 5
jne 0x4219ba
cmp dword [esi + 0xc], 2
jae 0x4219c3
call fcn.00458952
test al, al
je 0x4219f7
call fcn.00458952
test al, al
je 0x4219d4
or eax, 0xffffffff
jmp 0x421c50
lea eax, [ebp - 0xdf8]
push eax
mov dword [ebp - 0xdf8], 0x11c
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
xor eax, eax
inc eax
cmp word [ebp - 0xce4], ax
jae 0x4219cc
mov ecx, str.SupportOSMsi30
jmp 0x421a14
mov ecx, edi
call fcn.00437867
mov ecx, str.SupportOSMsi12
mov edx, str.SupportOS
test eax, eax
cmove ecx, edx
push edi
push ecx
call fcn.004404cb
pop ecx
pop ecx
test eax, eax
je 0x421aca
cmp dword [esi], 2
jne 0x421ac3
call fcn.00441280
test eax, eax
jne 0x421a51
mov ecx, 0x4b2
push ecx
mov dword [0x4a67f4], ecx
call fcn.00440ab8
xor eax, eax
pop ecx
inc eax
jmp 0x421c50
xor eax, eax
push 0x7fe
push eax
mov word [ebp - 0xc4c], ax
lea eax, [ebp - 0xc4a]
push eax
call fcn.004426c0
add esp, 0xc
lea eax, [ebp - 0xc4c]
push eax
mov esi, 0x400
push esi
call dword [sym.imp.KERNEL32.dll_GetTempPathW]
test eax, eax
je 0x421a9f
lea ecx, [ebp - 0xc4c]
push ecx
mov ecx, ebx
call fcn.00421e64
test eax, eax
jne 0x421a9f
push 2
jmp 0x421c4f
push esi
lea eax, [ebp - 0xc4c]
push eax
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryW]
test eax, eax
je 0x421ac3
lea eax, [ebp - 0xc4c]
push eax
mov ecx, ebx
call fcn.00421e64
test eax, eax
je 0x421a98
xor eax, eax
jmp 0x421c50
cmp dword [esi + 0x14], 2
jne 0x421ad6
cmp dword [esi + 8], 4
je 0x421ae1
mov ecx, edi
call fcn.004378b5
test eax, eax
je 0x421aef
mov ecx, edi
call fcn.00435200
push 3
jmp 0x421c4f
xor ebx, ebx
inc ebx
push ebx
lea eax, [ebp - 0xdf9]
push eax
push str.SuppressWrongOS
lea ecx, [ebp - 0xcac]
call fcn.004025e0
and dword [ebp - 4], 0
push ebx
lea eax, [ebp - 0xdf9]
push eax
push str.Startup
lea ecx, [ebp - 0xc7c]
call fcn.004025e0
mov byte [ebp - 4], bl
push 0
lea eax, [ebp - 0xcac]
push eax
lea eax, [ebp - 0xc7c]
push eax
mov ecx, edi
call fcn.00436d48
mov bl, al
mov byte [ebp - 4], 0
lea ecx, [ebp - 0xc7c]
call fcn.00401580
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0xcac]
call fcn.00401580
test bl, bl
je 0x4219cc
push 0
lea eax, [ebp - 0xdf9]
mov ebx, 0x4b7
push eax
lea ecx, [ebp - 0xc7c]
mov dword [0x4a67f4], ebx
mov dword [ebp - 0xc7c], 0x477ab0
mov dword [ebp - 0xc54], 0x478490
call fcn.00402580
mov dword [ebp - 4], 5
xor eax, eax
inc eax
push eax
lea eax, [ebp - 0xdf9]
push eax
lea eax, [ebp - 0x4c]
push eax
lea ecx, [ebp - 0xcdc]
call fcn.004025e0
mov esi, eax
mov byte [ebp - 4], 6
mov ecx, dword [edi + 0x260]
push ebx
lea eax, [ebp - 0xcac]
push eax
call fcn.004179aa
mov byte [ebp - 4], 7
add esi, 4
cmp dword [esi + 0x14], 8
jb 0x421be4
mov esi, dword [esi]
add eax, 4
cmp dword [eax + 0x14], 8
jb 0x421bef
mov eax, dword [eax]
push esi
push eax
lea eax, [ebp - 0xc7c]
push eax
call fcn.004033b0
add esp, 0xc
mov byte [ebp - 4], 6
lea ecx, [ebp - 0xcac]
call fcn.00401580
mov byte [ebp - 4], 5
lea ecx, [ebp - 0xcdc]
call fcn.00401580
cmp dword [ebp - 0xc64], 8
lea ecx, [ebp - 0xc78]
cmovae ecx, dword [ebp - 0xc78]
push ecx
call fcn.004403d1
pop ecx
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0xc7c]
call fcn.00401580
jmp 0x4219cc
push 0xfffffffffffffffe
pop eax
call fcn.00443698
ret 4