Function at 0x44d070
Capabilities:
Check if file exists
Check os version
Get file attributes
Persist via run registry key
Query or enumerate registry value

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x63cab3
push eax
mov eax, dword [0x6fcafc]
mov dword fs:[0], esp
sub esp, 0x2e8
push ebx
push ebp
push esi
xor esi, esi
cmp eax, esi
push edi
jne 0x44d0a7
call fcn.0044aeb0
test al, al
je 0x44d746
mov ecx, 0x82
xor eax, eax
lea edi, [esp + 0xf0]
mov edx, dword [0x6fcafc]
rep stosd dword es:[edi], eax
mov ebx, dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
lea eax, [esp + 0x18]
lea ecx, [esp + 0xf0]
push eax
push ecx
push esi
push esi
push str.LocalPathW
push edx
mov dword [esp + 0x30], 0x208
call ebx
test eax, eax
jne 0x44d101
mov ecx, dword [esp + 0x308]
lea eax, [esp + 0xf0]
push eax
call fcn.00401f20
mov al, 1
jmp 0x44d748
mov ecx, dword [0x6f7b78]
mov dword [esp + 0x1c], ecx
mov eax, dword [0x6fcafc]
lea edx, [esp + 0x18]
push edx
push esi
push esi
push esi
push 0x6ce3a8
push eax
mov dword [esp + 0x318], esi
call ebx
test eax, eax
jne 0x44d17d
mov ecx, dword [esp + 0x18]
push ecx
lea ecx, [esp + 0x20]
call fcn.00623157
lea edx, [esp + 0x18]
mov edi, eax
mov eax, dword [0x6fcafc]
push edx
push edi
push esi
push esi
push 0x6ce3a8
push eax
call ebx
test eax, eax
jne 0x44d17d
mov ecx, dword [esp + 0x308]
push esi
push edi
call fcn.004027e0
lea ecx, [esp + 0x1c]
mov dword [esp + 0x300], 0xffffffff
call fcn.00622d8a
mov al, 1
jmp 0x44d748
lea ecx, [esp + 0x5c]
mov dword [esp + 0x5c], 0x94
push ecx
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
mov ebx, dword [esp + 0x308]
test eax, eax
je 0x44d3eb
cmp dword [esp + 0x6c], 2
jne 0x44d3eb
cmp dword [esp + 0x60], 6
jb 0x44d3eb
push str.shell32.dll
call fcn.0044abc0
mov ebp, eax
add esp, 4
cmp ebp, esi
mov dword [esp + 0x4c], ebp
je 0x44d3eb
push str.SHGetKnownFolderPath
push ebp
mov byte [esp + 0x1b], 0
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov edi, eax
cmp edi, esi
je 0x44d3c1
push esi
mov dword [esp + 0x18], esi
mov dword [esp + 0x34], 0x374de290
mov word [esp + 0x38], 0x123f
mov word [esp + 0x3a], 0x4565
mov byte [esp + 0x3c], 0x91
mov byte [esp + 0x3d], 0x64
mov byte [esp + 0x3e], 0x39
mov byte [esp + 0x3f], 0xc4
mov byte [esp + 0x40], 0x92
mov byte [esp + 0x41], 0x5e
mov byte [esp + 0x42], 0x46
mov byte [esp + 0x43], 0x7b
call dword [0x6fc3fc]
lea edx, [esp + 0x14]
lea eax, [esp + 0x30]
push edx
push esi
push esi
push eax
call edi
cmp eax, esi
jne 0x44d3bb
mov eax, dword [esp + 0x14]
cmp eax, esi
je 0x44d3bb
push eax
call fcn.00609a4e
mov ebp, dword [esp + 0x18]
add esp, 4
mov edi, 0x6fc41c
cmp word [ebp + eax*2 - 2], 0x5c
je 0x44d275
mov edi, 0x6c91c0
mov ecx, 0x6c900c
test ecx, ecx
je 0x44d3ab
cmp ebp, esi
je 0x44d3ab
cmp edi, esi
je 0x44d3ab
mov dword [esp + 0x40], esi
mov dword [esp + 0x48], esi
mov word [esp + 0x44], si
push esi
push ecx
lea ecx, [esp + 0x48]
mov byte [esp + 0x308], 1
call fcn.004027e0
push ebp
lea ecx, [esp + 0x24]
mov dword [esp + 0x24], esi
mov dword [esp + 0x2c], esi
mov word [esp + 0x28], si
call fcn.00401f20
push edi
lea ecx, [esp + 0x54]
mov byte [esp + 0x304], 2
call fcn.00401ee0
mov ecx, ebx
mov byte [esp + 0x300], 3
call fcn.00401070
mov esi, dword [esp + 0x48]
lea ecx, [esp + 0x50]
call fcn.00401f10
push eax
call fcn.00609a4e
add esp, 4
lea ecx, [esp + 0x20]
mov edi, eax
call fcn.00401f10
push eax
call fcn.00609a4e
add esi, edi
lea esi, [eax + esi + 3]
lea ebp, [esi + esi]
push ebp
call fcn.00622acb
mov edi, eax
add esp, 8
test edi, edi
mov dword [ebx], edi
je 0x44d372
mov ecx, ebp
xor eax, eax
mov edx, ecx
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, edx
and ecx, 3
rep stosb byte es:[edi], al
lea ecx, [esp + 0x50]
call fcn.00401f10
push eax
lea ecx, [esp + 0x24]
call fcn.00401f10
push eax
lea ecx, [esp + 0x48]
call fcn.00401f10
push eax
mov eax, dword [ebx]
push esi
push eax
call fcn.006099de
mov ecx, dword [ebx]
push ecx
call fcn.00609a4e
add esp, 0x18
mov dword [ebx + 8], eax
lea ecx, [esp + 0x50]
mov byte [esp + 0x300], 2
call fcn.00401070
lea ecx, [esp + 0x20]
mov byte [esp + 0x300], 1
call fcn.00401070
lea ecx, [esp + 0x40]
mov byte [esp + 0x300], 0
call fcn.00401070
mov ebp, dword [esp + 0x14]
xor esi, esi
push ebp
call dword [0x6fc3ec]
mov ebp, dword [esp + 0x4c]
mov byte [esp + 0x13], 1
call dword [0x6fc400]
push ebp
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
mov al, byte [esp + 0x13]
test al, al
je 0x44d3eb
lea ecx, [esp + 0x1c]
mov dword [esp + 0x300], 0xffffffff
call fcn.00622d8a
mov al, 1
jmp 0x44d748
lea edx, [esp + 0x2c]
push edx
push 0xf003f
push esi
push str.SoftwareMicrosoftWindowsCurrentVersionExplorerShell_Folders_
push 0x80000001
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
test eax, eax
jne 0x44d732
mov ecx, dword [esp + 0x2c]
mov edi, dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
lea eax, [esp + 0x18]
push eax
push esi
push esi
push esi
push str.Personal
push ecx
call edi
test eax, eax
jne 0x44d727
mov edx, dword [esp + 0x18]
lea eax, [edx*4 + 4]
push eax
call fcn.00622acb
mov ebp, eax
add esp, 4
cmp ebp, esi
je 0x44d727
mov edx, dword [esp + 0x2c]
lea ecx, [esp + 0x18]
push ecx
push ebp
push esi
push esi
push str.Personal
push edx
call edi
test eax, eax
jne 0x44d71e
mov dword [esp + 0x20], esi
mov dword [esp + 0x28], esi
mov word [esp + 0x24], si
push ebp
mov byte [esp + 0x304], 4
call fcn.00609a4e
add esp, 4
cmp word [ebp + eax*2 - 2], 0x5c
mov edi, 0x6fc41c
je 0x44d49a
mov edi, 0x6c91c0
mov eax, str._s_sDownloads_
test eax, eax
je 0x44d5c9
cmp edi, esi
je 0x44d5c9
mov dword [esp + 0x40], esi
mov dword [esp + 0x48], esi
mov word [esp + 0x44], si
push esi
push eax
lea ecx, [esp + 0x48]
mov byte [esp + 0x308], 5
call fcn.004027e0
push ebp
lea ecx, [esp + 0x54]
call fcn.00401ee0
push edi
lea ecx, [esp + 0x34]
mov byte [esp + 0x304], 6
call fcn.00401ee0
lea ecx, [esp + 0x20]
mov byte [esp + 0x300], 7
call fcn.00401070
mov edi, dword [esp + 0x50]
cmp edi, esi
jne 0x44d508
lea edi, [esp + 0x54]
mov esi, dword [esp + 0x48]
lea ecx, [esp + 0x30]
call fcn.00401f10
push eax
call fcn.00609a4e
mov edx, eax
push edi
mov dword [esp + 0x54], edx
call fcn.00609a4e
mov ecx, dword [esp + 0x54]
add esi, ecx
lea esi, [eax + esi + 3]
lea eax, [esi + esi]
push eax
call fcn.00622acb
mov edi, eax
add esp, 0xc
test edi, edi
mov dword [esp + 0x20], edi
je 0x44d594
lea ecx, [esi + esi]
xor eax, eax
mov edx, ecx
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, edx
and ecx, 3
rep stosb byte es:[edi], al
lea ecx, [esp + 0x30]
call fcn.00401f10
push eax
lea ecx, [esp + 0x54]
call fcn.00401f10
push eax
lea ecx, [esp + 0x48]
call fcn.00401f10
push eax
mov eax, dword [esp + 0x2c]
push esi
push eax
call fcn.006099de
mov ecx, dword [esp + 0x34]
push ecx
call fcn.00609a4e
add esp, 0x18
mov dword [esp + 0x28], eax
lea ecx, [esp + 0x30]
mov byte [esp + 0x300], 6
call fcn.00401070
lea ecx, [esp + 0x50]
mov byte [esp + 0x300], 5
call fcn.00401070
lea ecx, [esp + 0x40]
mov byte [esp + 0x300], 4
call fcn.00401070
xor esi, esi
mov edx, dword [esp + 0x20]
mov ecx, ebx
push edx
call fcn.00401f20
mov eax, dword [ebx]
cmp eax, esi
jne 0x44d5de
lea eax, [ebx + 4]
push esi
push eax
call fcn.004a6010
mov eax, dword [0x6cdafc]
add esp, 8
xor edi, edi
cmp eax, esi
mov eax, dword [ebx]
je 0x44d60e
cmp eax, esi
jne 0x44d5fc
lea eax, [ebx + 4]
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x44d6ea
jmp 0x44d649
cmp eax, esi
jne 0x44d615
lea eax, [ebx + 4]
push eax
lea eax, [esp + 0x18]
push eax
call fcn.00402850
mov ecx, dword [esp + 0x1c]
add esp, 8
push ecx
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x44d638
mov edi, 1
lea ecx, [esp + 0x14]
call fcn.00622d8a
cmp edi, esi
je 0x44d6ea
cmp dword [ebx], esi
je 0x44d6a8
push ebp
call fcn.00609a4e
add esp, 4
test eax, eax
je 0x44d6a8
mov eax, dword [ebx]
cmp eax, ebp
ja 0x44d6a8
push eax
call fcn.00609a4e
mov edx, dword [ebx]
add esp, 4
lea eax, [edx + eax*2]
cmp eax, ebp
jb 0x44d6a8
push ebp
lea ecx, [esp + 0x34]
call fcn.00401ee0
lea ecx, [esp + 0x30]
mov byte [esp + 0x300], 8
call fcn.00401f10
push eax
mov ecx, ebx
call fcn.00401f20
lea ecx, [esp + 0x30]
mov byte [esp + 0x300], 4
call fcn.00401070
jmp 0x44d6ea
mov ecx, ebx
call fcn.00401070
push ebp
call fcn.00609a4e
add esp, 4
test eax, eax
je 0x44d6ea
push ebp
call fcn.00609a4e
lea ecx, [eax + eax + 2]
push ecx
call fcn.00622acb
add esp, 8
cmp eax, esi
mov dword [ebx], eax
je 0x44d6ea
push ebp
call fcn.00609a4e
mov edx, dword [ebx]
push ebp
push edx
mov dword [ebx + 8], eax
call fcn.00609a95
add esp, 0xc
mov eax, dword [esp + 0x2c]
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
lea ecx, [esp + 0x20]
mov byte [esp + 0x300], 0
call fcn.00401070
lea ecx, [esp + 0x1c]
mov dword [esp + 0x300], 0xffffffff
call fcn.00622d8a
mov al, 1
jmp 0x44d748
push ebp
call fcn.00622af4
add esp, 4
mov ecx, dword [esp + 0x2c]
push ecx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
lea ecx, [esp + 0x1c]
mov dword [esp + 0x300], 0xffffffff
call fcn.00622d8a
xor al, al
mov ecx, dword [esp + 0x2f8]
pop edi
pop esi
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x2f4
ret