Function at 0x47e180
Capabilities:
Check os version
Get common file path
Get file version info
Query or enumerate registry value

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x4a41a6
push eax
mov eax, dword [0x4c8194]
mov dword fs:[0], esp
sub esp, 0x348
push ebx
xor ebx, ebx
cmp eax, ebx
push esi
jne 0x47e638
mov esi, dword [sym.imp.KERNEL32.dll_GetVersionExW]
push ebp
push edi
mov ecx, 0x44
xor eax, eax
lea edi, [esp + 0x40]
mov dword [esp + 0x3c], 0x114
mov dword [0x4c8194], 1
rep stosd dword es:[edi], eax
lea eax, [esp + 0x3c]
push eax
call esi
test eax, eax
je 0x47e27a
mov eax, dword [esp + 0x48]
mov ecx, dword [esp + 0x40]
mov edx, dword [esp + 0x44]
mov dword [0x4c81a0], eax
mov eax, dword [esp + 0x4c]
mov dword [0x4c8198], ecx
cmp eax, 2
mov dword [0x4c819c], edx
mov dword [0x4c81a4], eax
jne 0x47e27a
cmp ecx, 4
jb 0x47e27a
mov ecx, 0x46
xor eax, eax
lea edi, [esp + 0x154]
mov dword [esp + 0x150], 0x11c
rep stosd dword es:[edi], eax
lea ecx, [esp + 0x150]
push ecx
call esi
test eax, eax
je 0x47e27a
mov ax, word [esp + 0x266]
mov dx, word [esp + 0x264]
mov cx, word [esp + 0x268]
mov word [0x4c82aa], ax
mov ax, word [esp + 0x26a]
mov word [0x4c82a8], dx
mov byte [0x4c82ae], al
mov word [0x4c82ac], cx
mov byte [0x4c82af], ah
push 0x104
push 0x4c82b0
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
push 0x4c82b0
call fcn.0041e943
mov ebp, dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
mov edi, dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
add esp, 4
test eax, eax
jbe 0x47e455
push 0x4c82b0
push 0x4c84b8
call fcn.0041e9f7
push 0x5c
push 0x4c84b8
call fcn.0041ec1a
add esp, 0x10
cmp eax, ebx
je 0x47e2d0
mov word [eax], bx
push 0x4c84b8
call fcn.0041e943
add esp, 4
test eax, eax
jbe 0x47e455
push 0x4c84b8
push 0x4c8ad0
call fcn.0041e9f7
push 0x5c
push 0x4c8ad0
call fcn.0041ec1a
add esp, 0x10
cmp eax, ebx
je 0x47e30a
mov word [eax], bx
lea edx, [esp + 0x14]
mov dword [esp + 0x14], ebx
push edx
push 0x20019
push ebx
push str.SoftwareMicrosoftWindowsCurrentVersion
push reloc.OLEAUT32.dll_SysReAllocString
call ebp
test eax, eax
jne 0x47e3f1
mov eax, dword [esp + 0x14]
cmp eax, ebx
je 0x47e3f1
lea ecx, [esp + 0x18]
lea edx, [esp + 0x10]
push ecx
push ebx
push edx
push ebx
push str.ProgramFilesDir
push eax
mov dword [esp + 0x28], ebx
mov dword [esp + 0x30], ebx
call edi
test eax, eax
mov esi, 0x102
jne 0x47e394
mov eax, dword [esp + 0x10]
cmp eax, 1
je 0x47e376
cmp eax, 2
je 0x47e376
cmp eax, 6
je 0x47e376
cmp eax, 7
jne 0x47e394
cmp dword [esp + 0x18], esi
ja 0x47e394
mov ecx, dword [esp + 0x14]
lea eax, [esp + 0x18]
push eax
push 0x4c86c0
push ebx
push ebx
push str.ProgramFilesDir
push ecx
call edi
mov ecx, dword [esp + 0x14]
lea edx, [esp + 0x18]
push edx
lea eax, [esp + 0x14]
push ebx
push eax
push ebx
push str.CommonFilesDir
push ecx
call edi
test eax, eax
jne 0x47e3e6
mov eax, dword [esp + 0x10]
cmp eax, 1
je 0x47e3c8
cmp eax, 2
je 0x47e3c8
cmp eax, 6
je 0x47e3c8
cmp eax, 7
jne 0x47e3e6
cmp dword [esp + 0x18], esi
ja 0x47e3e6
mov eax, dword [esp + 0x14]
lea edx, [esp + 0x18]
push edx
push 0x4c88c8
push ebx
push ebx
push str.CommonFilesDir
push eax
call edi
mov ecx, dword [esp + 0x14]
push ecx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
push 0x4c86c0
call fcn.0041e943
add esp, 4
test eax, eax
jne 0x47e423
push 0x4c8ad0
push 0x4c86c0
call fcn.0041e9f7
push str.Program_Files
push 0x4c86c0
call fcn.0041e9cd
add esp, 0x10
push 0x4c88c8
call fcn.0041e943
add esp, 4
test eax, eax
jne 0x47e455
push 0x4c86c0
push 0x4c88c8
call fcn.0041e9f7
push str.Common_Files
push 0x4c88c8
call fcn.0041e9cd
add esp, 0x10
xor esi, esi
mov dword [esp + 0x14], esi
mov edx, dword [0x4be930]
mov dword [esp + 0x360], ebx
mov dword [esp + 0x20], edx
lea eax, [esp + 0x10]
mov byte [esp + 0x360], 1
push eax
push 0x20019
push ebx
push str.SYSTEMCurrentControlSetControlNlsLanguage
push reloc.OLEAUT32.dll_SysReAllocString
mov dword [esp + 0x24], ebx
call ebp
cmp eax, ebx
jne 0x47e4fd
xor ecx, ecx
mov esi, dword [esp + 0x10]
mov dword [esp + 0x26], ecx
lea edx, [esp + 0x1c]
mov dword [esp + 0x2a], ecx
lea eax, [esp + 0x24]
mov dword [esp + 0x2e], ecx
push edx
mov dword [esp + 0x36], ecx
push eax
mov dword [esp + 0x3e], ecx
lea ecx, [esp + 0x18]
push ecx
push ebx
push str.InstallLanguage
push esi
mov dword [esp + 0x2c], esi
mov dword [esp + 0x34], 0xa
mov word [esp + 0x3c], bx
mov dword [esp + 0x28], ebx
call edi
cmp eax, ebx
jne 0x47e4ec
lea edx, [esp + 0x24]
lea ecx, [esp + 0x20]
push edx
call fcn.00484e84
cmp esi, ebx
je 0x47e4fd
push esi
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
xor esi, esi
mov dword [esp + 0x14], esi
mov eax, dword [esp + 0x20]
cmp dword [eax - 8], ebx
jle 0x47e51e
push 0x4c8cd8
push 0x4c4bd4
push eax
call fcn.0041f4f5
add esp, 0xc
jmp 0x47e61b
mov ecx, 0x81
xor eax, eax
lea edi, [esp + 0x152]
mov word [esp + 0x150], bx
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
push 0x4c82b0
lea eax, [esp + 0x154]
push str._suser.exe
push eax
call fcn.0041f434
add esp, 0xc
lea ecx, [esp + 0x18]
lea edx, [esp + 0x150]
mov dword [esp + 0x18], ebx
push ecx
push edx
call sub.VERSION.dll_GetFileVersionInfoSizeW
push eax
mov dword [esp + 0x14], eax
call fcn.00484a20
mov ebp, eax
add esp, 4
cmp ebp, ebx
je 0x47e61b
mov ecx, dword [esp + 0x10]
xor eax, eax
mov edx, ecx
mov edi, ebp
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, edx
push ebp
and ecx, 3
lea edx, [esp + 0x154]
rep stosb byte es:[edi], al
mov eax, dword [esp + 0x14]
mov ecx, dword [esp + 0x1c]
push eax
push ecx
push edx
call sub.VERSION.dll_GetFileVersionInfoW
test eax, eax
je 0x47e612
lea eax, [esp + 0x10]
lea ecx, [esp + 0x1c]
push eax
push ecx
push 0x4bd710
push ebp
mov dword [esp + 0x2c], ebx
call sub.VERSION.dll_VerQueryValueW
test eax, eax
je 0x47e612
mov edx, dword [esp + 0x1c]
xor ecx, ecx
mov ax, word [edx]
mov word [0x4c8cd8], ax
mov edx, dword [0x4c8cd8]
mov eax, 0x4c4b22
mov di, word [eax + 2]
and edi, edx
cmp di, word [eax]
je 0x47e600
add eax, 6
inc ecx
cmp eax, 0x4c4bbe
jb 0x47e5e8
jmp 0x47e612
lea ecx, [ecx + ecx*2]
mov dx, word [ecx*2 + 0x4c4b20]
mov word [0x4c8cd8], dx
push ebp
call fcn.00484a49
add esp, 4
lea ecx, [esp + 0x20]
mov byte [esp + 0x360], bl
call fcn.00484ced
pop edi
cmp esi, ebx
pop ebp
je 0x47e638
push esi
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov ecx, dword [esp + 0x350]
pop esi
mov eax, 1
pop ebx
mov dword fs:[0], ecx
add esp, 0x354
ret