Function at 0x43e720
Capabilities:
Check os version
Get number of processors
Resolve function by parsing pe exports

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x180
mov eax, dword [0x62e040]
xor eax, esp
mov dword [esp + 0x17c], eax
mov edx, dword [ebp + 8]
push esi
push edi
call fcn.00502640
test eax, eax
js 0x43e7ba
call sym.SystemInformer.exe_PhGetApplicationDirectoryWin32
mov edi, eax
test edi, edi
je 0x43e7ba
mov ecx, dword fs:[0x18]
push 1
mov ecx, dword [ecx + 0x30]
mov ecx, dword [ecx + 0x10]
movzx eax, word [ecx + 0x24]
mov dword [esp + 0x10], eax
mov eax, dword [ecx + 0x28]
mov dword [esp + 0x14], eax
lea eax, [esp + 0x10]
push eax
push edi
call sym.SystemInformer.exe_PhEqualStringRef
lea ecx, [ecx]
test al, al
jne 0x43e7ea
movzx eax, word [edi]
mov word [esp + 0x18], ax
movzx eax, word [edi]
add ax, 2
mov word [esp + 0x1a], ax
mov eax, dword [edi + 4]
mov dword [esp + 0x1c], eax
cmp dword [edi], 0xfffe
jbe 0x43e7d5
or eax, 0xffffffff
lock xadd dword [edi - 4], eax
dec eax
jne 0x43e7ba
lea ecx, [edi - 8]
call fcn.004fc020
mov ecx, dword [esp + 0x184]
mov eax, 1
pop edi
pop esi
xor ecx, esp
call fcn.005802ef
mov esp, ebp
pop ebp
ret 0x10
lea eax, ds:[esp + 0x18]
push eax
call dword [sym.imp.ntdll.dll_RtlSetCurrentDirectory_U]
test eax, eax
js 0x43e7a7
or eax, 0xffffffff
lock xadd dword [edi - 4], eax
dec eax
jne 0x43e7fd
lea ecx, [edi - 8]
call fcn.004fc020
push 4
lea eax, [esp + 0x18]
mov dword [esp + 0x18], 0
push eax
push 0xc
push 0xffffffffffffffff
call dword [sym.imp.ntdll.dll_NtSetInformationProcess]
push 0x43fbe0
jmp 0x43e820
call dword [sym.imp.ntdll.dll_RtlSetUnhandledExceptionFilter]
mov eax, dword fs:[0x18]
mov dword [esp + 0x58], 1
mov dword [esp + 0x68], 0x12
mov dword [esp + 0x6c], str.SiMutant_
mov eax, dword [eax + 0x20]
mov dword [esp + 0x80], eax
lea eax, [esp + 0x14]
push eax
push 0x66
lea eax, [esp + 0x90]
mov dword [esp + 0x78], 8
push eax
push 2
lea eax, [esp + 0x68]
push eax
call sym.SystemInformer.exe_PhFormatToBuffer
test al, al
je 0x43e7ba
mov ecx, dword ds:[esp + 0x14]
add ecx, 0xfffffffe
mov word [esp + 0x18], cx
lea eax, [ecx + 2]
mov word [esp + 0x1a], ax
lea eax, [esp + 0x88]
mov dword [esp + 0x1c], eax
cmp ecx, 0xfffe
ja 0x43e7ba
mov dword [esp + 0x28], 0x18
call fcn.004fa8c0
mov dword [esp + 0x2c], eax
lea eax, [esp + 0x18]
mov dword [esp + 0x30], eax
lea eax, [esp + 0x28]
push 1
push eax
push 1
lea eax, [esp + 0x18]
mov dword [esp + 0x40], 0x40
push eax
mov dword [esp + 0x48], 0
mov dword [esp + 0x4c], 0
call dword [sym.imp.ntdll.dll_NtCreateMutant]
push 6
push 0
call dword [sym.imp.ole32.dll_CoInitializeEx]
jmp 0x43e900
call fcn.00440d80
mov esi, dword [0x636e88]
lea eax, [esp + 0x14]
push eax
push 0x20
push 0xffffffffffffffff
call dword [sym.imp.ntdll.dll_NtOpenProcessToken]
lea ebx, [ebx]
cmp eax, 0xc0000022
jne 0x43e945
cmp esi, 5
jne 0x43eadb
lea eax, ds:[esp + 0x14]
or ecx, 0xffffffff
push eax
lea edx, [esi + 0x1b]
call fcn.005246c0
test eax, eax
js 0x43eadb
push 0
push 0
push 0
lea eax, [esp + 0x10c]
mov dword [esp + 0x10c], 0xa
push eax
push 0
push dword [esp + 0x28]
mov ecx, 0x1e
mov dword [esp + 0xa0], 0x14
lea esi, [esp + 0xa0]
mov dword [esp + 0xa4], 0
lea edi, [esp + 0x11c]
mov dword [esp + 0xa8], 2
mov dword [esp + 0xac], 0xe
mov dword [esp + 0xb0], 0
mov dword [esp + 0xb4], 2
mov dword [esp + 0xb8], 0x21
mov dword [esp + 0xbc], 0
mov dword [esp + 0xc0], 2
mov dword [esp + 0xc4], 0xa
mov dword [esp + 0xc8], 0
mov dword [esp + 0xcc], 2
mov dword [esp + 0xd0], 0xd
mov dword [esp + 0xd4], 0
mov dword [esp + 0xd8], 2
mov dword [esp + 0xdc], 0x11
mov dword [esp + 0xe0], 0
mov dword [esp + 0xe4], 2
mov dword [esp + 0xe8], 0x12
mov dword [esp + 0xec], 0
mov dword [esp + 0xf0], 2
mov dword [esp + 0xf4], 0x13
mov dword [esp + 0xf8], 0
mov dword [esp + 0xfc], 2
mov dword [esp + 0x100], 9
mov dword [esp + 0x104], 0
mov dword [esp + 0x108], 2
mov dword [esp + 0x10c], 8
mov dword [esp + 0x110], 0
mov dword [esp + 0x114], 2
rep movsd dword es:[edi], dword [esi]
call dword [sym.imp.ntdll.dll_NtAdjustPrivilegesToken]
push dword [esp + 0x14]
call dword [sym.imp.ntdll.dll_NtClose]
mov ecx, dword [0x6344d4]
test ecx, ecx
je 0x43eaf1
call fcn.004ba8c0
push eax
call dword [sym.imp.ntdll.dll_RtlExitUserProcess]
call fcn.00506f60
call fcn.00440300
lea eax, [esp + 0x18]
mov dword [esp + 0x18], 0x28
push eax
mov dword [esp + 0x20], str.AllowOnlyOneInstance
call sym.SystemInformer.exe_PhGetIntegerStringRefSetting
test eax, eax
je 0x43eb2a
test dword [0x6344d0], 0x3160
jne 0x43eb2a
call fcn.0043f980
lea eax, ds:[esp + 0x18]
mov dword [esp + 0x18], 0x24
push eax
mov dword [esp + 0x20], str.EnableStartAsAdmin
call sym.SystemInformer.exe_PhGetIntegerStringRefSetting
test eax, eax
je 0x43ec55
test dword [0x6344d0], 0x160
jne 0x43ec55
lea eax, [esp + 0x18]
push eax
call sym.SystemInformer.exe_PhGetOwnTokenAttributes
test byte [eax + 4], 1
je 0x43ef4e
lea eax, [esp + 0x18]
mov dword [esp + 0x18], 0x3a
push eax
mov dword [esp + 0x20], str.EnableStartAsAdminAlwaysOnTop
call sym.SystemInformer.exe_PhGetIntegerStringRefSetting
test eax, eax
je 0x43ec55
lea eax, [esp + 0x18]
push eax
call sym.SystemInformer.exe_PhGetOwnTokenAttributes
test byte [eax + 4], 1
je 0x43ec55
lea eax, [esp + 0x28]
push eax
call sym.SystemInformer.exe_PhGetOwnTokenAttributes
lea ecx, [esp + 0x18]
push ecx
push 4
lea ecx, [esp + 0x1c]
push ecx
push 0x1a
push dword [eax]
call dword [sym.imp.ntdll.dll_NtQueryInformationToken]
test eax, eax
js 0x43ec55
cmp dword [esp + 0x14], 0
setne al
test al, al
jne 0x43ec55
jmp 0x43ebe0
call sym.SystemInformer.exe_PhGetApplicationFileNameWin32
mov edi, eax
test edi, edi
je 0x43ec55
cmp dword [edi], 0
je 0x43ec55
call dword [sym.imp.USER32.dll_GetShellWindow]
test eax, eax
je 0x43ec55
lea ecx, [esp + 0xc]
push ecx
push eax
call dword [sym.imp.USER32.dll_GetWindowThreadProcessId]
test eax, eax
je 0x43ec55
push 0
push 4
lea eax, [esp + 0x1c]
push eax
push 0x18
push 0xffffffffffffffff
call dword [sym.imp.ntdll.dll_NtQueryInformationProcess]
lea ecx, [ecx]
test eax, eax
js 0x43ec55
push 1
push 0
push 1
push 0
push dword [esp + 0x24]
push dword [esp + 0x20]
push 2
push 0
push 0
push dword [edi + 4]
push 0
call sym.SystemInformer.exe__PhExecuteRunAsCommand3_44
push edi
mov esi, eax
call sym.SystemInformer.exe_PhDereferenceObject
test esi, esi
jns 0x43ef77
lea eax, [esp + 0x18]
mov dword [esp + 0x18], 0x12
push eax
mov dword [esp + 0x20], str.KsiEnable
call sym.SystemInformer.exe_PhGetIntegerStringRefSetting
test eax, eax
je 0x43ec8e
test byte [0x6344d0], 0x28
jne 0x43ec8e
lea esp, [esp]
call sym.SystemInformer.exe_PhIsExecutingInWow64
test al, al
jne 0x43ec8e
call fcn.0043c1e0
push 0x6352e0
call sym.SystemInformer.exe_PhInitializeAutoPool
lea eax, [esp + 0x18]
mov dword [esp + 0x18], 8
push eax
mov dword [esp + 0x20], 0xc42f
call dword [sym.imp.COMCTL32.dll_InitCommonControlsEx]
push 0x2c
lea eax, [esp + 0x30]
mov dword [esp + 0x2c], 0x30
push 0
push eax
call fcn.00582250
mov eax, dword [0x634f14]
add esp, 0xc
mov dword [esp + 0x2c], 0x4088
mov dword [esp + 0x30], 0x542300
mov dword [esp + 0x34], 0
push 0x8000
push 0
push 0
push 2
push 0x7f00
push 0
mov dword [esp + 0x50], 4
mov dword [esp + 0x54], eax
mov dword [esp + 0x58], 0
call dword [sym.imp.USER32.dll_LoadImageW]
mov dword ds:[esp + 0x44], eax
lea eax, [esp + 0x28]
push eax
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov dword [esp + 0x54], 0x5f6b38
mov dword [esp + 0x58], 0
call dword [sym.imp.USER32.dll_RegisterClassExW]
push 0x2c
lea eax, [esp + 0x30]
mov dword [esp + 0x2c], 0x30
push 0
push eax
call fcn.00582250
mov eax, dword [0x634f14]
add esp, 0xc
mov dword [esp + 0x2c], 0x4008
mov dword [esp + 0x30], 0x5415c0
mov dword [esp + 0x34], 0
push 0x8000
push 0
push 0
push 2
push 0x7f00
push 0
mov dword [esp + 0x50], 4
mov dword [esp + 0x54], eax
mov dword [esp + 0x58], 0
call dword [sym.imp.USER32.dll_LoadImageW]
mov dword [esp + 0x44], eax
lea eax, [esp + 0x28]
push eax
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov dword [esp + 0x54], str.PhGraph
mov dword [esp + 0x58], 0
call dword [sym.imp.USER32.dll_RegisterClassExW]
mov eax, dword [0x634f14]
push 0x8000
push 0
push 0
mov dword [esp + 0x40], 0
mov dword [esp + 0x4c], 0
mov dword [esp + 0x54], 0
mov dword [esp + 0x58], 0
mov dword [esp + 0x60], 0
mov dword [esp + 0x34], 0x30
mov dword [esp + 0x5c], str.PhHexEdit
mov dword [esp + 0x38], 0x4000
mov dword [esp + 0x44], 4
mov dword [esp + 0x48], eax
mov dword [esp + 0x3c], 0x53d6e0
push 2
push 0x7f00
push 0
call dword [sym.imp.USER32.dll_LoadImageW]
mov dword [esp + 0x44], eax
lea eax, [esp + 0x28]
push eax
call dword [sym.imp.USER32.dll_RegisterClassExW]
push 0x2c
lea eax, [esp + 0x30]
mov dword [esp + 0x2c], 0x30
push 0
push eax
call fcn.00582250
mov eax, dword [0x634f14]
add esp, 0xc
mov dword [esp + 0x2c], 0x4000
mov dword [esp + 0x30], 0x53d2e0
mov dword [esp + 0x34], 0
push 0x8000
push 0
push 0
push 2
push 0x7f00
push 0
mov dword [esp + 0x50], 4
mov dword [esp + 0x54], eax
mov dword [esp + 0x58], 0
call dword [sym.imp.USER32.dll_LoadImageW]
mov dword [esp + 0x44], eax
lea eax, [esp + 0x28]
push eax
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov dword [esp + 0x54], 0x61b860
mov dword [esp + 0x58], 0
call dword [sym.imp.USER32.dll_RegisterClassExW]
call fcn.0041e920
call fcn.004400a0
mov eax, 0x6358f8
mov ecx, 0x35
lea esp, [esp]
mov dword [eax + 4], eax
mov dword [eax], eax
mov dword [eax + 8], 0
mov dword [eax + 0xc], 0
add eax, 0x10
sub ecx, 1
jne 0x43ef00
mov eax, 0x634388
mov ecx, 0x14
mov dword [eax + 4], eax
mov dword [eax], eax
add eax, 0x10
sub ecx, 1
jne 0x43ef25
mov eax, dword [0x6344d0]
test al, 0x20
je 0x43ef86
mov ecx, dword [0x6344d8]
call fcn.004753e0
push 0
call dword [sym.imp.ntdll.dll_RtlExitUserProcess]
push 0xffffffffffffffff
call dword [sym.imp.USER32.dll_AllowSetForegroundWindow]
lea ecx, [esp + 0x18]
mov dword [esp + 0x18], 0x2e
mov dword [esp + 0x1c], str.SystemInformerTaskAdmin
call fcn.0040dd40
test eax, eax
js 0x43ec55
call fcn.0043f980
push 0
call dword [sym.imp.ntdll.dll_RtlExitUserProcess]
cmp byte [0x634376], 0
je 0x43ef9d
test al, al
js 0x43ef9d
call fcn.004829c0
mov eax, dword [0x6344d0]
cmp dword [0x62ebb0], 0x64
jb 0x43efcc
push 8
lea eax, [esp + 0x1c]
mov dword [esp + 0x1c], 8
push eax
push 0x34
push 0xffffffffffffffff
mov dword [esp + 0x2c], 1
call dword [sym.imp.ntdll.dll_NtSetInformationProcess]
mov eax, dword [0x6344d0]
test al, 0x40
je 0x43efff
push 0
push 0
push 0
push 0
call dword [sym.imp.USER32.dll_PostMessageW]
push 0
push 0
push 0
lea eax, [esp + 0x34]
push eax
call dword [sym.imp.USER32.dll_GetMessageW]
xor edx, edx
xor ecx, ecx
call fcn.00481f00
push eax
call dword [sym.imp.ntdll.dll_RtlExitUserProcess]
nop
call sym.SystemInformer.exe_PhIsExecutingInWow64
test al, al
je 0x43f02a
push str.You_are_attempting_to_run_the_32_bit_version_of_System_Informer_on_64_bit_Windows._Most_features_will_not_work_correctly._n_nPlease_run_the_64_bit_version_of_System_Informer_instead.
push 0x5cd56c
push 0x30
push 0
call sym.SystemInformer.exe_PhShowMessage
add esp, 0x10
push 0xc00001a3
call dword [sym.imp.ntdll.dll_RtlExitUserProcess]
mov al, 3
movzx edx, al
mov eax, dword [0x6344e8]
test eax, eax
movzx ecx, al
cmovne edx, ecx
mov byte [esp + 0xc], dl
push dword [esp + 0xc]
push 0xffffffffffffffff
call sym.SystemInformer.exe_PhSetProcessPriority
lea eax, [esp + 0x18]
mov dword [esp + 0x18], 0x12
push eax
mov dword [esp + 0x20], str.KsiEnable
call sym.SystemInformer.exe_PhGetIntegerStringRefSetting
test eax, eax
je 0x43f085
test byte [0x6344d0], 8
jne 0x43f085
call sym.SystemInformer.exe_PhIsExecutingInWow64
test al, al
jne 0x43f085
jmp 0x43f080
call fcn.0043a2e0
mov ecx, dword [ebp + 0x14]
call fcn.004410c0
test al, al
jne 0x43f0ad
push str.Unable_to_initialize_the_main_window.
push 0x5cd56c
push 0x10
push 0
call sym.SystemInformer.exe_PhShowMessage
add esp, 0x10
jmp 0x43e7ba
mov cl, 1
call fcn.0043ff20
push 0x6352e0
call sym.SystemInformer.exe_PhDrainAutoPool
mov edi, edi
call fcn.0043f120
xor cl, cl
mov esi, eax
call fcn.0043ff20
lea eax, [esp + 0x18]
mov dword [esp + 0x18], 0x12
push eax
mov dword [esp + 0x20], str.KsiEnable
call sym.SystemInformer.exe_PhGetIntegerStringRefSetting
test eax, eax
je 0x43f105
test byte [0x6344d0], 8
jne 0x43f105
call sym.SystemInformer.exe_PhIsExecutingInWow64
test al, al
jne 0x43f105
mov edi, edi
call fcn.0043c4a0
push esi
call dword [sym.imp.ntdll.dll_RtlExitUserProcess]
int3