Function at 0x44be30
Capabilities:
Change the wallpaper
Get common file path
Query or enumerate registry value
Set registry value

Disassembly:
push 0xffffffffffffffff
push 0x4d71c6
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x65c
mov eax, dword [0x4f0390]
mov cx, word [0x4f0394]
mov dl, byte [0x4f0396]
push ebx
push ebp
push esi
push edi
mov dword [esp + 0x128], eax
mov word [esp + 0x12c], cx
mov ecx, 0x3f
xor eax, eax
lea edi, [esp + 0x12f]
mov byte [esp + 0x12e], dl
push 0x7f02
rep stosd dword es:[edi], eax
push 0
mov dword [esp + 0x20], 1
stosw word es:[edi], ax
call dword [sym.imp.user32.dll_LoadCursorA]
mov ebx, dword [sym.imp.user32.dll_SetCursor]
push eax
call ebx
mov ecx, dword [esp + 0x67c]
mov dword [esp + 0x38], eax
mov eax, dword [esp + 0x680]
push 0x1f4
push 0x4f0380
push eax
push ecx
call fcn.0044bd70
mov ebp, dword [esp + 0x6a8]
add esp, 0x10
test ebp, ebp
mov esi, eax
je 0x44bee7
push ebp
call dword [sym.imp.user32.dll_IsRectEmpty]
test eax, eax
je 0x44bee7
xor ebp, ebp
mov eax, dword [esp + 0x688]
test eax, eax
je 0x44c6a4
push eax
lea ecx, [esp + 0x5c]
call fcn.004537e0
mov edi, dword [sym.imp.user32.dll_SendDlgItemMessageA]
push 0
push 0
push 0x402
push 0x208
push esi
mov dword [esp + 0x688], 0
call edi
push 0x27100000
push 0
push 0x401
push 0x208
push esi
call edi
mov eax, dword [0x4f0378]
mov cx, word [0x4f037c]
mov edx, dword [0x4f0374]
mov dword [esp + 0x234], eax
mov word [esp + 0x238], cx
mov ecx, 0x46
xor eax, eax
lea edi, [esp + 0x23a]
mov dword [esp + 0x230], edx
lea edx, [esp + 0x230]
rep stosd dword es:[edi], eax
mov edi, dword [sym.imp.kernel32.dll_lstrlen]
push edx
call edi
mov ecx, 0x122
lea edx, [esp + 0x230]
sub ecx, eax
push ecx
push edx
call edi
lea eax, [esp + eax + 0x234]
lea ecx, [esp + 0x5c]
push eax
call fcn.00454cb0
push eax
call dword [sym.imp.comdlg32.dll_GetFileTitleA]
lea ecx, [esp + 0x230]
push ecx
push 0x1fb
push esi
call dword [sym.imp.user32.dll_SetDlgItemTextA]
lea ecx, [esp + 0xb4]
call fcn.004537a0
mov edi, dword [sym.imp.user32.dll_GetSystemMetrics]
push 0
call edi
push 1
mov dword [esp + 0xb8], eax
call edi
mov edi, dword [esp + 0x68c]
mov dword [esp + 0xb8], eax
and edi, 6
je 0x44c005
mov ecx, dword [esp + 0xb4]
mov dword [esp + 0xb4], eax
mov dword [esp + 0xb8], ecx
test ebp, ebp
je 0x44c06e
push 0xffffffffffffffff
lea ecx, [esp + 0x5c]
call fcn.00454750
push 0xffffffffffffffff
lea ecx, [esp + 0x5c]
mov ebx, eax
call fcn.004547c0
test edi, edi
mov dword [esp + 0x10], eax
je 0x44c031
mov ecx, ebx
mov ebx, eax
mov dword [esp + 0x10], ecx
mov edx, dword [ebp + 8]
mov eax, dword [ebp]
sub edx, eax
mov eax, dword [esp + 0xb4]
inc edx
push edx
push ebx
mov ebx, dword [sym.imp.kernel32.dll_MulDiv]
push eax
call ebx
mov ecx, dword [ebp + 0xc]
mov edx, dword [ebp + 4]
sub ecx, edx
mov edx, dword [esp + 0x10]
inc ecx
mov dword [esp + 0xb4], eax
push ecx
push edx
push eax
call ebx
mov dword [esp + 0xb8], eax
jmp 0x44c074
mov ebx, dword [sym.imp.kernel32.dll_MulDiv]
mov ecx, dword [esp + 0x690]
mov edx, dword [esp + 0x694]
mov eax, 1
mov dword [esp + 0xc4], ecx
mov dword [esp + 0xc0], eax
mov dword [esp + 0xcc], eax
lea eax, [esp + 0xb4]
lea ecx, [esp + 0x58]
push eax
mov dword [esp + 0xc0], 4
mov dword [esp + 0xcc], edx
call fcn.00453dd0
push 0xffffffffffffffff
lea ecx, [esp + 0x5c]
call fcn.00454bc0
test eax, eax
jne 0x44c1ca
mov eax, dword [0x4fc004]
test eax, eax
jne 0x44c1ca
push 0xffffffffffffffff
lea ecx, [esp + 0x5c]
call fcn.004547c0
mov ecx, eax
mov eax, 0x51eb851f
add ecx, 0x32
imul ecx
sar edx, 5
mov ecx, edx
shr ecx, 0x1f
add edx, ecx
cmp edx, 1
jge 0x44c10c
mov edx, 1
jmp 0x44c12d
push 0xffffffffffffffff
lea ecx, [esp + 0x5c]
call fcn.004547c0
mov ecx, eax
mov eax, 0x51eb851f
add ecx, 0x32
imul ecx
sar edx, 5
mov eax, edx
shr eax, 0x1f
add edx, eax
push 0
push 0
push edx
lea ecx, [esp + 0x64]
call fcn.004541b0
test eax, eax
je 0x44c1ca
push 0
lea ecx, [esp + 0x5c]
call fcn.00454d70
push eax
push 0x402
push 0x208
push esi
call dword [sym.imp.user32.dll_SendDlgItemMessageA]
mov edi, dword [sym.imp.user32.dll_PeekMessageA]
push 1
push 0
push 0
lea ecx, [esp + 0x48]
push esi
push ecx
call edi
test eax, eax
je 0x44c1b0
lea edx, [esp + 0x3c]
push edx
push esi
call dword [sym.imp.user32.dll_IsDialogMessage]
test eax, eax
jne 0x44c19e
lea eax, [esp + 0x3c]
push eax
call dword [sym.imp.user32.dll_TranslateMessage]
lea ecx, [esp + 0x3c]
push ecx
call dword [sym.imp.user32.dll_DispatchMessageA]
push 1
push 0
push 0
lea edx, [esp + 0x48]
push esi
push edx
call edi
test eax, eax
jne 0x44c178
push esi
call dword [sym.imp.user32.dll_UpdateWindow]
push 0xffffffffffffffff
lea ecx, [esp + 0x5c]
call fcn.00454bc0
test eax, eax
je 0x44c0d2
push 0xffffffffffffffff
lea ecx, [esp + 0x5c]
call fcn.00454bc0
test eax, eax
jne 0x44c221
mov eax, dword [0x4fc004]
test eax, eax
jne 0x44c1ff
mov eax, dword [esp + 0x684]
mov ecx, dword [esp + 0x680]
push 0
push eax
push 0x4f035c
push ecx
call dword [sym.imp.user32.dll_MessageBoxA]
push esi
call dword [sym.imp.user32.dll_DestroyWindow]
lea ecx, [esp + 0x58]
mov dword [esp + 0x674], 0xffffffff
call fcn.00453a10
xor eax, eax
jmp 0x44c7dc
mov al, byte [esp + 0x68c]
test al, 8
je 0x44c233
push 0xb4
jmp 0x44c241
test al, 2
je 0x44c23b
push 0xffffffffffffffa6
jmp 0x44c241
test al, 4
je 0x44c24a
push 0x5a
lea ecx, [esp + 0x5c]
call fcn.00456690
push 0xffffffffffffffff
lea ecx, [esp + 0x5c]
call fcn.00454a80
test ebp, ebp
mov edi, eax
je 0x44c312
push 0xffffffffffffffff
lea ecx, [esp + 0x5c]
call fcn.00454890
push eax
push 0xffffffffffffffff
lea ecx, [esp + 0x60]
call fcn.00454750
mov edx, dword [ebp]
push eax
push edx
call ebx
push 0xffffffffffffffff
lea ecx, [esp + 0x5c]
mov dword [ebp], eax
call fcn.004548f0
push eax
push 0xffffffffffffffff
lea ecx, [esp + 0x60]
call fcn.004547c0
push eax
mov eax, dword [ebp + 4]
push eax
call ebx
push 0xffffffffffffffff
lea ecx, [esp + 0x5c]
mov dword [ebp + 4], eax
call fcn.00454890
push eax
push 0xffffffffffffffff
lea ecx, [esp + 0x60]
call fcn.00454750
mov ecx, dword [ebp + 8]
push eax
push ecx
call ebx
push 0xffffffffffffffff
lea ecx, [esp + 0x5c]
mov dword [ebp + 8], eax
call fcn.004548f0
push eax
push 0xffffffffffffffff
lea ecx, [esp + 0x60]
call fcn.004547c0
mov edx, dword [ebp + 0xc]
push eax
push edx
call ebx
mov ecx, dword [ebp + 4]
mov edx, dword [ebp]
mov dword [ebp + 0xc], eax
sub eax, ecx
inc eax
push eax
mov eax, dword [ebp + 8]
sub eax, edx
inc eax
push eax
push ecx
push edx
push edi
call fcn.00442da0
mov edi, eax
add esp, 0x14
test edi, edi
jne 0x44c312
push 0xffffffffffffffff
lea ecx, [esp + 0x5c]
call fcn.00454a80
mov edi, eax
lea ecx, [esp + 0x564]
push 0x105
push ecx
call dword [sym.imp.kernel32.dll_GetWindowsDirectoryA]
push 0x4f0358
lea edx, [esp + 0x460]
push 0x4f0344
push edx
call dword [sym.imp.user32.dll_wsprintfA]
lea eax, [esp + 0x468]
lea ecx, [esp + 0x570]
push eax
lea edx, [esp + 0x138]
push ecx
push edx
call fcn.00442e30
add esp, 0x18
push 0x4f0338
push 0x1fb
push esi
call dword [sym.imp.user32.dll_SetDlgItemTextA]
mov ebp, dword [sym.imp.user32.dll_SendDlgItemMessageA]
push 0
push 0
push 0x402
push 0x208
push esi
call ebp
lea ecx, [esp + 0xec]
mov dword [esp + 0x18], 0
call fcn.0045f810
lea eax, [esp + 0x128]
lea ecx, [esp + 0xec]
push eax
mov byte [esp + 0x678], 1
call fcn.0045e890
push edi
lea ecx, [esp + 0xf0]
call fcn.0045ea30
lea ecx, [esp + 0xec]
call fcn.0045ebb0
test eax, eax
jl 0x44c4ea
cmp dword [esp + 0x118], 0x2710
jge 0x44c4d2
mov eax, dword [0x4fc004]
test eax, eax
jne 0x44c4d2
push 0xffffffffffffffff
lea ecx, [esp + 0x5c]
call fcn.004547c0
mov ecx, eax
mov eax, 0x51eb851f
add ecx, 0x32
imul ecx
sar edx, 5
mov ecx, edx
shr ecx, 0x1f
add edx, ecx
cmp edx, 1
jge 0x44c421
mov edx, 1
jmp 0x44c442
push 0xffffffffffffffff
lea ecx, [esp + 0x5c]
call fcn.004547c0
mov ecx, eax
mov eax, 0x51eb851f
add ecx, 0x32
imul ecx
sar edx, 5
mov eax, edx
shr eax, 0x1f
add edx, eax
push edx
lea ecx, [esp + 0xf0]
call fcn.0045ec00
test eax, eax
jl 0x44c4d2
mov ecx, dword [esp + 0x118]
push 0
push ecx
push 0x402
push 0x208
push esi
call ebp
mov edi, dword [sym.imp.user32.dll_PeekMessageA]
push 1
push 0
push 0
lea edx, [esp + 0x48]
push esi
push edx
call edi
test eax, eax
je 0x44c4ba
lea eax, [esp + 0x3c]
push eax
push esi
call dword [sym.imp.user32.dll_IsDialogMessage]
test eax, eax
jne 0x44c4a8
lea ecx, [esp + 0x3c]
push ecx
call dword [sym.imp.user32.dll_TranslateMessage]
lea edx, [esp + 0x3c]
push edx
call dword [sym.imp.user32.dll_DispatchMessageA]
push 1
push 0
push 0
lea eax, [esp + 0x48]
push esi
push eax
call edi
test eax, eax
jne 0x44c482
push esi
call dword [sym.imp.user32.dll_UpdateWindow]
cmp dword [esp + 0x118], 0x2710
jl 0x44c3e7
lea ecx, [esp + 0xec]
call fcn.0045ec10
test eax, eax
jl 0x44c4ea
mov dword [esp + 0x18], 1
lea ecx, [esp + 0xec]
mov byte [esp + 0x674], 0
call fcn.0045e830
lea ecx, [esp + 0x58]
mov dword [esp + 0x674], 0xffffffff
call fcn.00453a10
mov eax, dword [esp + 0x18]
test eax, eax
je 0x44c7a7
mov ebx, dword [sym.imp.user32.dll_SetCursor]
push 0x7f02
push 0
call dword [sym.imp.user32.dll_LoadCursorA]
push eax
call ebx
push 0
push 2
push esi
call dword [sym.imp.user32.dll_GetDlgItem]
push eax
call dword [sym.imp.user32.dll_EnableWindow]
push 0x4f0324
push 0x1fb
push esi
call dword [sym.imp.user32.dll_SetDlgItemTextA]
push 0
push 0
push 0x402
push 0x208
push esi
call ebp
lea ecx, [esp + 0x14]
push ecx
push 0x4f030c
push 0x80000001
call dword [sym.imp.advapi32.dll_RegOpenKeyA]
test eax, eax
jne 0x44c75b
mov al, byte [0x4fbe40]
xor ecx, ecx
mov dword [esp + 0x2d], ecx
mov byte [esp + 0x2c], al
mov dword [esp + 0x31], ecx
mov byte [esp + 0x354], al
mov byte [esp + 0x35], cl
mov ecx, 0x41
xor eax, eax
lea edi, [esp + 0x355]
rep stosd dword es:[edi], eax
mov al, byte [esp + 0x68c]
mov edi, dword [sym.imp.advapi32.dll_RegSetValueExA]
and al, 1
xor edx, edx
or al, 0x30
mov dword [esp + 0x21], edx
mov byte [esp + 0x20], al
mov eax, dword [esp + 0x688]
mov dword [esp + 0x25], edx
test eax, eax
mov byte [esp + 0x29], dl
mov byte [esp + 0x21], dl
je 0x44c6af
mov ebp, dword [sym.imp.advapi32.dll_RegQueryValueExA]
lea edx, [esp + 0x10]
lea eax, [esp + 0x354]
push edx
mov edx, dword [esp + 0x18]
lea ecx, [esp + 0x20]
push eax
push ecx
push 0
push 0x4f0300
push edx
mov dword [esp + 0x28], 0x105
call ebp
lea eax, [esp + 0x10]
lea ecx, [esp + 0x2c]
push eax
mov eax, dword [esp + 0x18]
lea edx, [esp + 0x20]
push ecx
push edx
push 0
push 0x4f02f0
push eax
mov dword [esp + 0x28], 0xa
call ebp
lea ecx, [esp + 0x128]
lea edx, [esp + 0x354]
push ecx
push edx
call dword [sym.imp.kernel32.dll_lstrcmpi]
test eax, eax
je 0x44c702
mov ebp, dword [sym.imp.kernel32.dll_lstrlen]
lea eax, [esp + 0x354]
push eax
call ebp
mov edx, dword [esp + 0x14]
inc eax
lea ecx, [esp + 0x354]
push eax
push ecx
push 1
push 0
push 0x4f02e0
push edx
call edi
lea eax, [esp + 0x2c]
push eax
call ebp
mov edx, dword [esp + 0x14]
inc eax
lea ecx, [esp + 0x2c]
push eax
push ecx
push 1
push 0
push 0x4f02cc
push edx
call edi
jmp 0x44c708
mov ebp, dword [sym.imp.user32.dll_SendDlgItemMessageA]
jmp 0x44c524
mov ebp, dword [sym.imp.advapi32.dll_RegQueryValueExA]
lea eax, [esp + 0x10]
lea ecx, [esp + 0x128]
push eax
mov eax, dword [esp + 0x18]
lea edx, [esp + 0x20]
push ecx
push edx
push 0
push 0x4f02e0
push eax
mov dword [esp + 0x28], 0x105
call ebp
lea ecx, [esp + 0x10]
lea edx, [esp + 0x20]
push ecx
mov ecx, dword [esp + 0x18]
lea eax, [esp + 0x20]
push edx
push eax
push 0
push 0x4f02cc
push ecx
mov dword [esp + 0x28], 0xa
call ebp
mov ebp, dword [sym.imp.kernel32.dll_lstrlen]
lea edx, [esp + 0x128]
push edx
call ebp
mov ecx, dword [esp + 0x14]
inc eax
push eax
lea eax, [esp + 0x12c]
push eax
push 1
push 0
push 0x4f0300
push ecx
call edi
lea edx, [esp + 0x20]
push edx
call ebp
mov ecx, dword [esp + 0x14]
inc eax
push eax
lea eax, [esp + 0x24]
push eax
push 1
push 0
push 0x4f02f0
push ecx
call edi
mov edx, dword [esp + 0x14]
push edx
call dword [sym.imp.advapi32.dll_RegCloseKey]
mov ebp, dword [sym.imp.user32.dll_SendDlgItemMessageA]
lea eax, [esp + 0x128]
push 3
push eax
push 0
push 0x14
call dword [sym.imp.user32.dll_SystemParametersInfoA]
push 0
push 0x2710
push 0x402
push 0x208
push esi
call ebp
push 0x7f00
push 0
call dword [sym.imp.user32.dll_LoadCursorA]
push eax
call ebx
push 1
push 2
push esi
call dword [sym.imp.user32.dll_GetDlgItem]
push eax
call dword [sym.imp.user32.dll_EnableWindow]
jmp 0x44c7ca
mov ecx, dword [esp + 0x684]
mov edx, dword [esp + 0x680]
push 0
push ecx
push 0x4f02b4
push edx
call dword [sym.imp.user32.dll_MessageBoxA]
mov ebx, dword [sym.imp.user32.dll_SetCursor]
mov eax, dword [esp + 0x38]
push eax
call ebx
push esi
call dword [sym.imp.user32.dll_DestroyWindow]
mov eax, dword [esp + 0x18]
mov ecx, dword [esp + 0x66c]
pop edi
pop esi
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x668
ret