Function at 0x450c00
Capabilities:
Persist via default file association registry key
Query or enumerate registry value
Set registry value

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x53103c
mov eax, dword fs:[0]
push eax
sub esp, 0x43c
mov eax, dword [0x5867ec]
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
push 0x208
lea eax, [ebp - 0x218]
mov dword [ebp - 0x440], 1
push 0
push eax
mov dword [ebp - 0x43c], 0x104
call fcn.004b8590
mov eax, dword [0x58f9a0]
add esp, 0xc
test al, 1
jne 0x450c73
or eax, 1
mov dword [0x58f99c], 0
mov dword [0x58f9a0], eax
mov byte [ebp - 0x425], 0
lea eax, [ebp - 0x434]
mov dword [ebp - 4], 0
push eax
call fcn.00473ac5
lea eax, [ebp - 0x434]
mov dword [ebp - 4], 1
mov dword [ebp - 0x448], eax
lea eax, [ebp - 0x425]
mov dword [ebp - 0x444], eax
lea eax, [ebp - 0x448]
push eax
push 0x44d0f0
push 0x58f99c
call fcn.00474a9b
add esp, 0x10
test eax, eax
je 0x450fd9
lea eax, [ebp - 0x434]
mov dword [ebp - 4], 2
push eax
call fcn.00473aff
add esp, 4
mov dword [ebp - 4], 0xffffffff
lea eax, [ebp - 0x43c]
push eax
lea eax, [ebp - 0x218]
push eax
lea eax, [ebp - 0x440]
push eax
push 0x543334
push 0x58f9a8
push reloc.OLEAUT32.dll_SysReAllocString
call dword [sym.imp.SHLWAPI.dll_SHGetValueW]
test eax, eax
jne 0x450edc
lea ecx, [ebp - 0x218]
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x450d25
sub ecx, edx
sar ecx, 1
je 0x450edc
push str.birdwp.exe
lea eax, [ebp - 0x218]
push eax
call dword [sym.imp.SHLWAPI.dll_PathAppendW]
push 0x20a
lea eax, [ebp - 0x424]
push 0
push eax
call fcn.004b8590
add esp, 0xc
lea eax, [ebp - 0x438]
push eax
push 0x20019
push 0
push str.BirdWallpaper
push SysReAllocString
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
test eax, eax
jne 0x450dc8
mov dword [ebp - 0x430], eax
lea eax, [ebp - 0x42c]
push eax
lea eax, [ebp - 0x424]
mov dword [ebp - 0x42c], 0x104
push eax
lea eax, [ebp - 0x430]
push eax
push 0
push str.URL_Protocol
push dword [ebp - 0x438]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
push dword [ebp - 0x438]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
lea ecx, [ebp - 0x424]
lea eax, [ebp - 0x218]
mov dx, word [eax]
cmp dx, word [ecx]
jne 0x450dfa
test dx, dx
je 0x450df6
mov dx, word [eax + 2]
cmp dx, word [ecx + 2]
jne 0x450dfa
add eax, 4
add ecx, 4
test dx, dx
jne 0x450dd4
xor eax, eax
jmp 0x450dff
sbb eax, eax
or eax, 1
test eax, eax
je 0x450fcf
lea ecx, [ebp - 0x218]
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x450e10
mov ebx, dword [sym.imp.SHLWAPI.dll_SHSetValueW]
sub ecx, edx
sar ecx, 1
lea eax, [ecx + ecx]
push eax
lea eax, [ebp - 0x218]
push eax
push 1
push str.URL_Protocol
push str.BirdWallpaper
push SysReAllocString
call ebx
test eax, eax
jne 0x450edc
call fcn.0040d1a0
mov ecx, eax
test ecx, ecx
je 0x450ff9
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x430], eax
push str.BirdWallpaper
lea ecx, [ebp - 0x430]
mov dword [ebp - 4], 5
call fcn.0040c630
test al, al
jne 0x450e95
push 0xd
push str.BirdWallpaper
lea ecx, [ebp - 0x430]
call fcn.0040bf90
mov esi, dword [ebp - 0x430]
mov dword [ebp - 4], 6
mov eax, dword [esi - 0xc]
add eax, eax
push eax
push esi
push 1
push 0
push str.BirdWallpaper
push SysReAllocString
call ebx
test eax, eax
je 0x450f0a
mov dword [ebp - 4], 0xffffffff
add esi, 0xfffffff0
or eax, 0xffffffff
lock xadd dword [esi + 0xc], eax
dec eax
test eax, eax
jg 0x450edc
mov ecx, dword [esi]
push esi
mov eax, dword [ecx]
call dword [eax + 4]
xor esi, esi
push esi
push str._CInstaller::RegProtocol___result_d
call fcn.0044a960
add esp, 8
mov eax, esi
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.004994d8
mov esp, ebp
pop ebp
ret
call fcn.0040d1a0
mov ecx, eax
test ecx, ecx
je 0x451003
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x42c], eax
push 0x543328
lea eax, [ebp - 0x218]
mov byte [ebp - 4], 7
push eax
lea eax, [ebp - 0x42c]
push str._s__s
push eax
call fcn.0040a910
mov edi, dword [ebp - 0x42c]
add esp, 0x10
mov eax, dword [edi - 0xc]
add eax, eax
push eax
push edi
push 1
push 0
push str.BirdWallpaper_shellopencommand
push SysReAllocString
call ebx
lea edx, [edi - 0x10]
mov byte [ebp - 4], 6
or edi, 0xffffffff
test eax, eax
mov eax, edi
je 0x450fa1
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x450f8a
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov dword [ebp - 4], 0xffffffff
add esi, 0xfffffff0
lock xadd dword [esi + 0xc], edi
dec edi
test edi, edi
jmp 0x450ed2
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x450fb3
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov dword [ebp - 4], 0xffffffff
add esi, 0xfffffff0
lock xadd dword [esi + 0xc], edi
dec edi
test edi, edi
jg 0x450fcf
mov ecx, dword [esi]
push esi
mov eax, dword [ecx]
call dword [eax + 4]
mov esi, 1
jmp 0x450ede
lea eax, [ebp - 0x434]
mov byte [ebp - 4], 3
push eax
call fcn.00473b41
add esp, 4
mov byte [ebp - 4], 1
test al, al
jne 0x45100d
call fcn.00474b6c
push 0x80004005
call fcn.0040a780
push 0x80004005
call fcn.0040a780
sub esp, 8
lea eax, [ebp - 0x434]
mov ecx, esp
push eax
call fcn.0040a040
call fcn.0040c450
int3