Function at 0x431d80
Capabilities:
Check if file exists
Check os version
Create directory
Query environment variable

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x47c827
mov eax, dword fs:[0]
push eax
sub esp, 0x94c
mov eax, dword [0x4a8800]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, ecx
mov dword [ebp - 0x958], edi
call fcn.00421030
mov dword [ebp - 4], 0
lea ecx, [edi + 0x58]
mov dword [edi], vtable.CBrowserInstallerImp.0
call fcn.00421e10
xor eax, eax
mov dword [edi + 0x104], 7
mov dword [edi + 0x100], 0
mov word [edi + 0xf0], ax
mov dword [edi + 0x11c], 7
mov dword [edi + 0x118], eax
mov word [edi + 0x108], ax
mov dword [edi + 0x134], 7
mov dword [edi + 0x130], eax
mov word [edi + 0x120], ax
mov dword [edi + 0x14c], 7
mov dword [edi + 0x148], eax
mov word [edi + 0x138], ax
mov byte [ebp - 4], 5
lea ecx, [edi + 0x154]
mov dword [edi + 0x150], eax
push eax
mov dword [ecx + 0x14], 7
mov dword [ecx + 0x10], eax
push 0x495130
mov word [ecx], ax
call fcn.00422d00
lea ecx, [edi + 0x16c]
mov byte [ebp - 4], 6
push 5
xor eax, eax
mov dword [ecx + 0x14], 7
mov dword [ecx + 0x10], 0
push str.en_UK
mov word [ecx], ax
call fcn.00422d00
mov dword [edi + 0x184], 0
mov dword [edi + 0x188], 0
mov dword [edi + 0x18c], 0
mov dword [edi + 0x190], 0
mov dword [edi + 0x194], 0
mov dword [edi + 0x198], 0
mov byte [ebp - 4], 0xa
mov byte [edi + 0x19c], 1
mov dword [edi + 0x1a0], 0
mov dword [edi + 0x1a4], 0
call fcn.00435150
mov dword [edi + 0x1a0], eax
lea esi, [edi + 0x1a8]
xor eax, eax
mov dword [esi + 0x14], 7
mov dword [esi + 0x10], 0
mov word [esi], ax
mov dword [edi + 0x1d4], 7
mov dword [edi + 0x1d0], eax
mov word [edi + 0x1c0], ax
mov dword [edi + 0x1ec], 7
mov dword [edi + 0x1e8], eax
mov word [edi + 0x1d8], ax
mov dword [edi + 0x204], 7
mov dword [edi + 0x200], eax
mov word [edi + 0x1f0], ax
mov dword [edi + 0x21c], 7
mov dword [edi + 0x218], eax
mov word [edi + 0x208], ax
mov dword [edi + 0x234], 7
mov dword [edi + 0x230], eax
mov word [edi + 0x220], ax
mov dword [edi + 0x238], eax
mov dword [edi + 0x23c], eax
mov dword [edi + 0x240], eax
mov dword [edi + 0x244], 1
mov dword [edi + 0x248], eax
mov dword [edi + 0x24c], eax
mov byte [ebp - 4], 0x13
mov dword [edi + 0x250], eax
mov dword [edi + 0x254], eax
call fcn.00430790
mov dword [edi + 0x250], eax
xor eax, eax
mov byte [ebp - 4], 0x14
push 0x7fe
push eax
mov word [ebp - 0x810], ax
lea eax, [ebp - 0x80e]
push eax
mov dword [edi + 0x258], 0x1010101
call fcn.0045c460
push 0x114
lea eax, [ebp - 0x954]
push 0
push eax
call fcn.0045c460
add esp, 0x18
mov dword [ebp - 0x954], 0x114
lea eax, [ebp - 0x954]
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
cmp dword [ebp - 0x950], 6
lea eax, [ebp - 0x810]
push 0x400
push eax
jb 0x43202a
push str._UserProfile_AppDataLocal_
jmp 0x43202f
push str._UserProfile_Local_SettingsApplication_Data_
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsW]
cmp word [ebp - 0x810], 0
jne 0x432043
xor eax, eax
jmp 0x43205f
lea eax, [ebp - 0x810]
lea edx, [eax + 2]
lea esp, [esp]
mov cx, word [eax]
add eax, 2
test cx, cx
jne 0x432050
sub eax, edx
sar eax, 1
push eax
lea eax, [ebp - 0x810]
push eax
lea ecx, [edi + 0x1f0]
call fcn.00422d00
lea eax, [ebp - 0x840]
mov ecx, edi
push eax
call fcn.00435790
push str.yabs_
push eax
lea eax, [ebp - 0x828]
mov byte [ebp - 4], 0x15
push eax
call fcn.0042bae0
mov ebx, eax
add esp, 0xc
cmp esi, ebx
je 0x4320ca
cmp dword [esi + 0x14], 8
jb 0x4320af
push dword [esi]
call fcn.0045a050
add esp, 4
xor eax, eax
mov dword [esi + 0x14], 7
mov dword [esi + 0x10], 0
mov ecx, esi
push ebx
mov word [esi], ax
call fcn.00422a40
cmp dword [ebp - 0x814], 8
jb 0x4320e1
push dword [ebp - 0x828]
call fcn.0045a050
add esp, 4
xor eax, eax
mov byte [ebp - 4], 0x14
cmp dword [ebp - 0x82c], 8
mov dword [ebp - 0x814], 7
mov dword [ebp - 0x818], 0
mov word [ebp - 0x828], ax
jb 0x432119
push dword [ebp - 0x840]
call fcn.0045a050
add esp, 4
cmp dword [esi + 0x14], 8
jb 0x432123
mov eax, dword [esi]
jmp 0x432125
mov eax, esi
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
cmp eax, 1
jne 0x432138
mov ecx, esi
call fcn.00426f40
cmp dword [esi + 0x14], 8
jb 0x432140
mov esi, dword [esi]
push 0
push esi
push 0
call dword [sym.imp.SHELL32.dll_SHCreateDirectoryExW]
lea eax, [edi + 0x58]
mov ecx, edi
push eax
call fcn.00431bd0
mov eax, edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.0045b1f5
mov esp, ebp
pop ebp
ret