Function at 0x4042e6
Capabilities:
Accept command line arguments
Check os version
Copy file
Delete file
Get common file path
Get file system object information
Set current directory
Set environment variable
Shutdown system
Terminate process

Disassembly:
push ebp
mov ebp, esp
push edi
push esi
push ebx
sub esp, 0x1ac
mov dword [esp], 0x8001
call dword [sym.imp.KERNEL32.dll_SetErrorMode]
push esi
call dword [sym.imp.KERNEL32.dll_GetVersion]
and eax, 0xbfffffff
mov dword [0x432160], eax
cmp ax, 6
je 0x404331
mov dword [esp], 0
call fcn.00408bf9
push ebx
test eax, eax
je 0x404331
mov dword [esp], 0xc00
call eax
push ecx
mov ebx, str.UXTHEME
mov dword [esp], ebx
call fcn.00408b6e
push eax
mov dword [esp], ebx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea ebx, [ebx + eax + 1]
push edx
cmp byte [ebx], 0
jne 0x404336
mov dword [esp], 0xb
call fcn.00408bf9
push ebx
mov dword [esp], 9
call fcn.00408bf9
push esi
mov dword [0x432164], eax
mov dword [esp], 7
call fcn.00408bf9
push edi
test eax, eax
je 0x40439a
mov dword [esp], 0x1e
call eax
push ecx
test eax, eax
je 0x40439a
or dword [0x432160], 0x40000000
call dword [sym.imp.COMCTL32.DLL_InitCommonControls]
mov dword [esp], 0
call dword [sym.imp.ole32.dll_OleInitialize]
push edi
mov dword [section..bss], eax
lea eax, [ebp - 0x178]
mov dword [esp + 0x10], 0
mov dword [esp + 0xc], 0x160
mov dword [esp + 8], eax
mov dword [esp + 4], 0
mov dword [esp], 0x40b2bd
call dword [sym.imp.SHELL32.dll_SHGetFileInfoA]
sub esp, 0x14
mov dword [esp + 4], str.NSIS_Error
mov dword [esp], 0x432180
call fcn.0040805f
push eax
push eax
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
mov ecx, dword [0x40b634]
add ecx, 0x5000
mov dword [esp + 4], eax
mov dword [esp], ecx
mov dword [ebp - 0x18c], ecx
call fcn.0040805f
push eax
push eax
mov dword [esp], 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov dword [0x432168], eax
mov eax, dword [0x40b634]
push edx
movsx eax, byte [eax + 0x5000]
cmp al, 0x22
jne 0x404452
mov ecx, dword [0x40b634]
lea edx, [ecx + 0x5001]
jmp 0x40445d
mov edx, dword [ebp - 0x18c]
mov eax, 0x20
mov dword [esp], edx
xor edi, edi
mov dword [esp + 4], eax
call fcn.00407915
push ebx
push ebx
mov dword [esp], eax
call dword [sym.imp.USER32.dll_CharNextA]
mov dword [ebp - 0x190], eax
push esi
cmp byte [eax], 0
je 0x40451a
movsx edx, byte [eax]
cmp dl, 0x20
jne 0x404491
inc eax
jmp 0x404486
cmp dl, 0x22
jne 0x404499
inc eax
jmp 0x40449e
mov edx, 0x20
cmp byte [eax], 0x2f
jne 0x4044fd
cmp byte [eax + 1], 0x53
lea ebx, [eax + 1]
jne 0x4044bc
test byte [eax + 2], 0xdf
jne 0x4044bc
mov dword [0x413080], 1
cmp dword [eax + 1], 0x4352434e
jne 0x4044d1
test byte [eax + 5], 0xdf
mov ecx, 4
cmove edi, ecx
cmp dword [eax - 1], 0x3d442f20
jne 0x4044fb
mov byte [eax - 1], 0
add eax, 3
mov dword [esp + 4], eax
mov eax, dword [0x40b634]
add eax, 0x5400
mov dword [esp], eax
call fcn.0040805f
push ecx
push ecx
jmp 0x40451a
mov eax, ebx
mov dword [esp + 4], edx
mov dword [esp], eax
call fcn.00407915
push edx
push edx
cmp byte [eax], 0x22
jne 0x40447d
inc eax
jmp 0x40447d
mov eax, dword [0x40b634]
mov dword [esp], 0x400
mov esi, dword [sym.imp.KERNEL32.dll_GetTempPathA]
lea ebx, [eax + 0x6400]
mov dword [esp + 4], ebx
call esi
push eax
push eax
call fcn.00404244
test eax, eax
je 0x404571
mov eax, dword [0x40b634]
add eax, 0x6000
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
push edx
mov dword [esp], edi
xor edi, edi
call fcn.00403f23
mov esi, eax
push ecx
test eax, eax
jne 0x40483c
jmp 0x4045fb
mov dword [esp + 4], 0x3fb
mov dword [esp], ebx
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push eax
push eax
mov dword [esp + 4], str.Temp
mov dword [esp], ebx
call sub.KERNEL32.dll_lstrcatA
push eax
push eax
call fcn.00404244
test eax, eax
jne 0x404543
mov dword [esp + 4], ebx
mov dword [esp], 0x3fc
call esi
push esi
push esi
mov dword [esp + 4], 0x40b2cf
mov dword [esp], ebx
call sub.KERNEL32.dll_lstrcatA
mov esi, dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableA]
push eax
push eax
mov dword [esp + 4], ebx
mov dword [esp], str.TEMP
call esi
push eax
push eax
mov dword [esp + 4], ebx
mov dword [esp], 0x40b2d8
call esi
push eax
push eax
call fcn.00404244
test eax, eax
jne 0x404543
mov esi, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
jmp 0x40483a
cmp dword [0x414504], 0
je 0x404827
mov eax, dword [ebp - 0x18c]
mov dword [esp + 4], 0
mov dword [esp], eax
call fcn.00407915
push ecx
push ecx
cmp dword [ebp - 0x18c], eax
ja 0x404685
cmp dword [eax], 0x3d3f5f20
je 0x404633
dec eax
jmp 0x404620
lea ebx, [eax + 4]
mov byte [eax], 0
mov dword [esp], ebx
call fcn.0040881f
push edx
test eax, eax
jne 0x404650
mov esi, str.Error_launching_installer
jmp 0x40483a
mov eax, dword [0x40b634]
mov dword [esp + 4], ebx
add eax, 0x5400
mov dword [esp], eax
call fcn.0040805f
push eax
push eax
mov eax, dword [0x40b634]
add eax, 0x5800
mov dword [esp + 4], ebx
mov dword [esp], eax
call fcn.0040805f
push eax
push eax
jmp 0x404827
call fcn.00408c45
mov dword [esp + 4], str.nsu
mov dword [esp], ebx
mov esi, eax
call sub.KERNEL32.dll_lstrcatA
push eax
push eax
test esi, esi
je 0x4046b4
mov dword [esp + 4], 0x40b2e1
mov dword [esp], ebx
call sub.KERNEL32.dll_lstrcatA
push edi
push edi
mov dword [esp + 4], str..tmp
mov dword [esp], ebx
call sub.KERNEL32.dll_lstrcatA
mov eax, dword [0x40b634]
push edx
push edx
lea edi, [eax + 0x5c00]
mov dword [esp + 4], edi
mov dword [esp], ebx
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
push ecx
push ecx
test eax, eax
je 0x404646
mov dword [esp], ebx
test esi, esi
je 0x4046f6
call fcn.00407714
jmp 0x4046fb
call fcn.004077a8
push eax
mov dword [esp], ebx
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryA]
push eax
mov eax, dword [0x40b634]
cmp byte [eax + 0x5400], 0
jne 0x404727
add eax, 0x5400
mov dword [esp + 4], edi
mov dword [esp], eax
call fcn.0040805f
push eax
push eax
mov eax, dword [ebp - 0x190]
mov edi, 0x1a
mov esi, str.Error_launching_installer
mov dword [esp + 4], eax
mov eax, dword [0x40b634]
mov dword [esp], eax
call fcn.0040805f
push eax
push eax
mov eax, dword [0x40b634]
mov word [eax + 0x400], 0x41
mov eax, dword [0x414510]
mov eax, dword [eax + 0x120]
mov dword [esp], 0x432980
mov dword [esp + 4], eax
call fcn.00408259
push ecx
push ecx
mov dword [esp], 0x432980
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
push eax
test esi, esi
je 0x404801
mov eax, dword [0x40b634]
mov dword [esp + 8], 1
mov dword [esp + 4], 0x432980
add eax, 0x6c00
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_CopyFileA]
sub esp, 0xc
test eax, eax
je 0x404801
mov dword [esp + 4], 0
mov dword [esp], 0x432980
call fcn.004087a2
push eax
push eax
mov eax, dword [0x414510]
mov eax, dword [eax + 0x124]
mov dword [esp], 0x432980
mov dword [esp + 4], eax
call fcn.00408259
push eax
push eax
mov dword [esp], 0x432980
call fcn.004077d6
push edx
test eax, eax
je 0x404801
mov dword [esp], eax
xor esi, esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push eax
mov eax, dword [0x40b634]
inc byte [eax + 0x400]
dec edi
jne 0x404758
mov dword [esp + 4], 0
mov dword [esp], ebx
call fcn.004087a2
push edi
push edi
jmp 0x40483a
mov dword [0x41308c], 0xffffffff
call fcn.00406116
mov edi, eax
jmp 0x40483c
xor edi, edi
call fcn.0040429f
call dword [sym.imp.ole32.dll_OleUninitialize]
test esi, esi
mov ebx, dword [sym.imp.KERNEL32.dll_ExitProcess]
je 0x40486f
mov dword [esp], esi
mov dword [esp + 4], 0x200010
call fcn.004078a9
push esi
push esi
mov dword [esp], 2
jmp 0x40498f
cmp dword [0x413074], 0
je 0x404981
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
lea edx, [ebp - 0x17c]
mov dword [esp + 4], 0x28
mov dword [esp + 8], edx
mov dword [esp], eax
call dword [sym.imp.ADVAPI32.dll_OpenProcessToken]
sub esp, 0xc
test eax, eax
je 0x404916
lea eax, [ebp - 0x174]
mov dword [esp + 4], str.SeShutdownPrivilege
lea esi, [ebp - 0x178]
mov dword [esp + 8], eax
mov dword [esp], 0
call dword [sym.imp.ADVAPI32.dll_LookupPrivilegeValueA]
mov eax, dword [ebp - 0x17c]
mov dword [ebp - 0x178], 1
mov dword [ebp - 0x16c], 2
sub esp, 0xc
mov dword [esp + 0x14], 0
mov dword [esp + 0x10], 0
mov dword [esp + 0xc], 0
mov dword [esp + 8], esi
mov dword [esp + 4], 0
mov dword [esp], eax
call dword [sym.imp.ADVAPI32.dll_AdjustTokenPrivileges]
sub esp, 0x18
mov dword [esp], 4
call fcn.00408bf9
push ecx
test eax, eax
jne 0x404944
mov dword [esp + 4], 0x80040002
mov dword [esp], 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
push edx
push edx
test eax, eax
je 0x404974
jmp 0x404981
mov dword [esp + 0x10], 0x80040002
mov dword [esp + 0xc], 0x25
mov dword [esp + 8], 0
mov dword [esp + 4], 0
mov dword [esp], 0
call eax
sub esp, 0x14
test eax, eax
jne 0x404927
mov dword [esp], 9
call fcn.00403adf
push eax
mov eax, dword [0x41308c]
cmp eax, 0xffffffff
cmovne edi, eax
mov dword [esp], edi
call ebx
nop
nop
nop