Function at 0x448a80
Capabilities:
Check os version
Persist via run registry key
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x63d558
mov eax, dword fs:[0]
push eax
sub esp, 0xe0
mov eax, dword [0x74d890]
xor eax, ebp
mov dword [ebp - 0x14], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x10], esp
mov eax, dword [ebp + 8]
mov dword [ebp - 0xec], eax
xor edi, edi
mov dword [ebp - 4], edi
cmp eax, edi
je 0x448dae
mov dword [ebp - 0x2c], edi
mov dword [ebp - 0x24], edi
xor eax, eax
mov word [ebp - 0x28], ax
mov byte [ebp - 4], 1
mov byte [ebp - 0xde], al
mov byte [ebp - 0xdd], al
mov dword [ebp - 0xdc], 0x94
lea ecx, [ebp - 0xdc]
push ecx
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
test eax, eax
je 0x448c1f
cmp dword [ebp - 0xcc], 2
jne 0x448c1f
cmp dword [ebp - 0xd8], 6
jb 0x448c1f
mov byte [ebp - 0xde], 1
push 0x670490
call fcn.00447330
add esp, 4
mov ebx, eax
cmp ebx, edi
je 0x448c1f
push str.SHGetKnownFolderPath
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, eax
cmp esi, edi
je 0x448c0b
mov dword [ebp - 0xe4], edi
mov dword [ebp - 0x3c], 0xb4bfcc3a
mov edx, 0xdb2c
mov word [ebp - 0x38], dx
mov eax, 0x424c
mov word [ebp - 0x36], ax
mov byte [ebp - 0x34], 0xb0
mov byte [ebp - 0x33], 0x29
mov byte [ebp - 0x32], 0x7f
mov byte [ebp - 0x31], 0xe9
mov byte [ebp - 0x30], 0x9a
mov byte [ebp - 0x2f], 0x87
mov byte [ebp - 0x2e], 0xc6
mov byte [ebp - 0x2d], 0x41
push edi
call dword [sym.imp.ole32.dll_CoInitialize]
lea ecx, [ebp - 0xe4]
push ecx
push edi
push edi
lea edx, [ebp - 0x3c]
push edx
call esi
cmp eax, edi
jne 0x448c05
mov edx, dword [ebp - 0xe4]
cmp edx, edi
je 0x448c05
mov eax, edx
lea esi, [eax + 2]
jmp 0x448bc0
mov cx, word [eax]
add eax, 2
cmp cx, di
jne 0x448bc0
sub eax, esi
sar eax, 1
cmp word [edx + eax*2 - 2], 0x5c
mov eax, 0x66ec78
je 0x448be1
mov eax, 0x66e980
push edi
push eax
push edx
push 0x66dde0
lea ecx, [ebp - 0x2c]
call fcn.00402320
mov eax, dword [ebp - 0xe4]
push eax
call dword [sym.imp.ole32.dll_CoTaskMemFree]
mov byte [ebp - 0xdd], 1
call dword [sym.imp.ole32.dll_CoUninitialize]
push ebx
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
cmp byte [ebp - 0xdd], 0
jne 0x448d58
mov dword [ebp - 0xe8], edi
lea ecx, [ebp - 0xe4]
push ecx
push 0xf003f
push edi
push str.SoftwareMicrosoftWindowsCurrentVersionExplorerShell_Folders_
push 0x80000001
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
test eax, eax
jne 0x448da2
lea edx, [ebp - 0xe8]
push edx
push edi
push edi
push edi
push str.Desktop
mov eax, dword [ebp - 0xe4]
push eax
mov ebx, dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
call ebx
test eax, eax
jne 0x448d42
mov eax, dword [ebp - 0xe8]
add eax, 3
xor ecx, ecx
mov edx, 2
mul edx
seto cl
neg ecx
or ecx, eax
push ecx
call fcn.005e9aa7
add esp, 4
mov esi, eax
test esi, esi
je 0x448d40
mov edi, dword [ebp - 0xe8]
lea eax, [ebp - 0xe8]
push eax
push esi
push 0
push 0
push str.Desktop
mov ecx, dword [ebp - 0xe4]
push ecx
call ebx
test eax, eax
jne 0x448d37
xor edx, edx
mov word [esi + edi*2], dx
xor edi, edi
mov dword [ebp - 0x48], edi
mov dword [ebp - 0x40], edi
mov word [ebp - 0x44], ax
mov byte [ebp - 4], 2
mov eax, esi
lea edx, [eax + 2]
jmp 0x448ce0
mov cx, word [eax]
add eax, 2
cmp cx, di
jne 0x448ce0
sub eax, edx
sar eax, 1
cmp word [esi + eax*2 - 2], 0x5c
mov eax, 0x66ec78
je 0x448d01
mov eax, 0x66e980
push edi
push eax
push esi
push 0x66dde0
lea ecx, [ebp - 0x48]
call fcn.00402320
mov eax, dword [ebp - 0x48]
cmp eax, edi
jne 0x448d1b
lea eax, [ebp - 0x44]
push eax
lea ecx, [ebp - 0x2c]
call fcn.004017f0
mov byte [ebp - 0xdd], 1
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x48]
call fcn.00401210
push esi
call fcn.005e9ab2
add esp, 4
xor edi, edi
mov ecx, dword [ebp - 0xe4]
push ecx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
cmp byte [ebp - 0xdd], 0
je 0x448da2
mov dword [ebp - 0x20], edi
mov dword [ebp - 0x18], edi
xor edx, edx
mov word [ebp - 0x1c], dx
mov byte [ebp - 4], 3
push edi
mov eax, dword [ebp - 0xec]
push eax
push 0x66dea8
lea ecx, [ebp - 0x20]
call fcn.004021b0
mov eax, dword [ebp - 0x20]
cmp eax, edi
jne 0x448d87
lea eax, [ebp - 0x1c]
push 0x5c
push eax
call fcn.006152e7
add esp, 8
cmp eax, edi
jne 0x448dcc
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x20]
call fcn.00401210
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x2c]
call fcn.00401210
mov al, 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.006157d3
mov esp, ebp
pop ebp
ret
add eax, 2
xor ecx, ecx
mov word [eax], cx
mov eax, dword [ebp - 0x2c]
cmp eax, edi
jne 0x448dde
lea eax, [ebp - 0x28]
mov ecx, dword [ebp - 0x20]
cmp ecx, edi
jne 0x448de8
lea ecx, [ebp - 0x1c]
push eax
push ecx
call fcn.0061acda
add esp, 8
test eax, eax
jne 0x448d96
push 0x1030
mov edx, dword [0x75451c]
push edx
mov eax, dword [0x754518]
push eax
call dword [sym.imp.USER32.dll_GetDesktopWindow]
push eax
call fcn.0046f2a0
add esp, 0x10
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x20]
call fcn.00401210
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x2c]
call fcn.00401210
xor al, al
jmp 0x448db0