Function at 0x4421f0
Capabilities:
Check os version
Create thread

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5617be
mov eax, dword fs:[0]
push eax
sub esp, 0x220
mov eax, dword [0x5c9c4c]
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
mov ebx, ecx
mov dword [ebp - 0x228], ebx
mov eax, dword [ebp + 8]
mov dword [ebp - 0x21c], eax
mov dword [eax], 0
call dword [sym.imp.KERNEL32.dll_GetCurrentThreadId]
push eax
push str._tid:_d__CDeskBandInstallHelper::ShowBand
call fcn.0044beb0
add esp, 8
mov ecx, ebx
push 1
call fcn.00441cd0
test eax, eax
je 0x442650
call dword [sym.imp.KERNEL32.dll_GetVersion]
cmp al, 6
jb 0x4425d3
call fcn.0040cd20
mov ecx, eax
test ecx, ecx
je 0x442670
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x220], eax
mov dword [ebp - 4], 0
mov dword [ebp - 0x224], 0
lea eax, [ebp - 0x224]
mov byte [ebp - 4], 1
push eax
push 0x57efe8
push 0x17
push 0
push 0x588648
call dword [sym.imp.ole32.dll_CoCreateInstance]
mov esi, eax
lea eax, [ebp - 0x220]
push esi
push str.CoCreate__d
push eax
call fcn.0040b090
add esp, 0xc
or ebx, 0xffffffff
test esi, esi
jns 0x442359
call fcn.0040cd20
mov ecx, eax
test ecx, ecx
je 0x44267a
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x21c], eax
mov eax, str.ins_band
mov byte [ebp - 4], 2
lea ecx, [ebp - 0x21c]
test eax, 0xffff0000
jne 0x442315
movzx eax, ax
push eax
call fcn.0040d6b0
jmp 0x442321
push 8
push str.ins_band
call fcn.0040d860
push 0
sub esp, 0x28
mov eax, esp
mov dword [ebp - 0x228], esp
mov dword [eax + 0x24], 0
push 0
push 0
lea eax, [ebp - 0x220]
mov byte [ebp - 4], 4
push eax
lea eax, [ebp - 0x21c]
push eax
call fcn.004343f0
mov byte [ebp - 4], 3
jmp 0x442401
mov eax, dword [ebp - 0x224]
push eax
mov ecx, dword [eax]
call dword [ecx + 0x18]
mov esi, eax
lea eax, [ebp - 0x220]
push esi
push str.RegChanged__d
push eax
call fcn.0040b090
add esp, 0xc
test esi, esi
jns 0x442434
call fcn.0040cd20
mov ecx, eax
test ecx, ecx
je 0x442684
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x21c], eax
mov eax, str.ins_band
mov byte [ebp - 4], 5
lea ecx, [ebp - 0x21c]
test eax, 0xffff0000
jne 0x4423c2
movzx eax, ax
push eax
call fcn.0040d6b0
jmp 0x4423ce
push 8
push str.ins_band
call fcn.0040d860
push 0
sub esp, 0x28
mov eax, esp
mov dword [ebp - 0x228], esp
mov dword [eax + 0x24], 0
push 0
push 0
lea eax, [ebp - 0x220]
mov byte [ebp - 4], 7
push eax
lea eax, [ebp - 0x21c]
push eax
call fcn.004343f0
mov byte [ebp - 4], 6
mov ecx, eax
call fcn.00430850
mov edx, dword [ebp - 0x21c]
mov eax, ebx
mov byte [ebp - 4], 1
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x4424c8
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
xor esi, esi
jmp 0x442572
mov eax, dword [ebp - 0x224]
push 0x5c938c
push eax
mov ecx, dword [eax]
call dword [ecx + 0x14]
mov edi, eax
lea eax, [ebp - 0x220]
push edi
push str.BandShown__d
push eax
call fcn.0040b090
add esp, 0xc
test edi, edi
js 0x4424cf
cmp edi, 1
je 0x4424cf
push edi
push str.CBandClient::IsDeskBandShown_hr:0x_08x
call fcn.0044beb0
add esp, 8
lea ecx, [ebp - 0x21c]
push str.ins_band
call fcn.0040e030
push 0
sub esp, 0x28
mov eax, esp
mov dword [ebp - 0x228], esp
mov dword [eax + 0x24], 0
push 0
push 0
lea eax, [ebp - 0x220]
mov byte [ebp - 4], 9
push eax
lea eax, [ebp - 0x21c]
push eax
call fcn.004343f0
mov ecx, eax
mov byte [ebp - 4], 8
call fcn.00430850
lea ecx, [ebp - 0x21c]
call fcn.0040ac10
xor esi, esi
jmp 0x442572
mov eax, dword [ebp - 0x21c]
mov dword [ebp - 0x22c], 0
mov dword [eax], 1
lea eax, [ebp - 0x22c]
push eax
push 0
push dword [ebp - 0x228]
push 0x4426c0
push 0
push 0
call fcn.00535d17
mov ebx, dword [sym.imp.KERNEL32.dll_Sleep]
add esp, 0x18
xor esi, esi
nop dword [eax]
inc esi
cmp esi, 5
jg 0x442559
push esi
push str.ShowDeskBand_start__d
call fcn.0044beb0
mov eax, dword [ebp - 0x224]
add esp, 8
mov ecx, dword [eax]
push 0x5c938c
push eax
call dword [ecx + 0xc]
mov edi, eax
push edi
call dword [sym.imp.KERNEL32.dll_GetCurrentThreadId]
push eax
push str._tid:_d__CDeskBandInstallHelper::ShowDeskBand_hr:0x_08x
call fcn.0044beb0
add esp, 0xc
test edi, edi
jns 0x44255d
push 0x3e8
call ebx
jmp 0x442510
test edi, edi
js 0x4425af
push str.ShowDeskBand_succ
call fcn.0044beb0
add esp, 4
mov esi, 1
or ebx, 0xffffffff
mov eax, dword [ebp - 0x224]
mov byte [ebp - 4], 0
test eax, eax
je 0x442586
mov ecx, dword [eax]
push eax
call dword [ecx + 8]
mov eax, dword [ebp - 0x220]
mov dword [ebp - 4], 0xffffffff
add eax, 0xfffffff0
lock xadd dword [eax + 0xc], ebx
dec ebx
test ebx, ebx
jg 0x4425a8
mov ecx, dword [eax]
push eax
mov edx, dword [ecx]
call dword [edx + 4]
mov eax, esi
jmp 0x442652
mov eax, dword [ebp - 0x224]
mov byte [ebp - 4], 0
test eax, eax
je 0x4425c3
mov ecx, dword [eax]
push eax
call dword [ecx + 8]
lea ecx, [ebp - 0x220]
call fcn.0040ac10
jmp 0x442650
push 0x104
lea eax, [ebp - 0x218]
push eax
push 0x5c938c
call dword [sym.imp.ole32.dll_StringFromGUID2]
lea eax, [ebp - 0x218]
push eax
call dword [sym.imp.KERNEL32.dll_GlobalFindAtomW]
test ax, ax
jne 0x442616
lea eax, [ebp - 0x218]
push eax
call dword [sym.imp.KERNEL32.dll_GlobalAddAtomW]
push str.GlobalFindAtom
call fcn.0044beb0
add esp, 4
push 0x5c938c
call dword [sym.imp.SHELL32.dll_SHLoadInProc]
mov esi, eax
test esi, esi
js 0x44263b
push 0x57ee88
call fcn.0044beb0
add esp, 4
mov eax, 1
jmp 0x442652
call dword [sym.imp.KERNEL32.dll_GetLastError]
push esi
push eax
push 0x57eea8
call fcn.0044beb0
add esp, 0xc
xor eax, eax
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.004a9518
mov esp, ebp
pop ebp
ret 4
push 0x80004005
call fcn.0040ad60
push 0x80004005
call fcn.0040ad60
push 0x80004005
call fcn.0040ad60
int3