Function at 0x403803
Capabilities:
Accept command line arguments
Copy file
Create directory
Delete file
Get common file path
Get file system object information
Shutdown system
Terminate process

Disassembly:
sub esp, 0x17c
push ebx
push ebp
push esi
xor esi, esi
push edi
mov dword [esp + 0x18], esi
mov ebx, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
mov byte [esp + 0x10], 0x20
call dword [sym.imp.COMCTL32.dll_InitCommonControls]
push esi
call dword [sym.imp.ole32.dll_OleInitialize]
mov dword [0x7d13f0], eax
push esi
lea eax, [esp + 0x30]
push 0x160
push eax
push esi
push 0x7adcd4
call dword [sym.imp.SHELL32.dll_SHGetFileInfoA]
push str.NSIS_Error
push 0x7cd340
call fcn.0040630d
mov ebp, 0x804000
push ebp
push 0x2000
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
call fcn.004037cf
test eax, eax
jne 0x403893
push 0x1ffb
push ebp
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push ebp
call fcn.00406330
call fcn.004037cf
test eax, eax
je 0x4039d4
mov edi, 0x7fa000
push edi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
push eax
push edi
call fcn.0040630d
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
cmp byte [0x7fa000], 0x22
mov dword [0x7d1340], eax
mov eax, edi
jne 0x4038ce
mov byte [esp + 0x10], 0x22
mov eax, 0x7fa001
push dword [esp + 0x10]
push eax
call fcn.00405e3b
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov dword [esp + 0x14], eax
mov cl, byte [eax]
test cl, cl
je 0x403960
cmp cl, 0x20
jne 0x4038f4
inc eax
cmp byte [eax], 0x20
je 0x4038ee
cmp byte [eax], 0x22
mov byte [esp + 0x10], 0x20
jne 0x403904
inc eax
mov byte [esp + 0x10], 0x22
cmp byte [eax], 0x2f
jne 0x40393c
inc eax
cmp byte [eax], 0x53
jne 0x40391d
mov cl, byte [eax + 1]
or cl, 0x20
cmp cl, 0x20
jne 0x40391d
or esi, 2
cmp dword [eax], 0x4352434e
jne 0x403933
mov cl, byte [eax + 4]
or cl, 0x20
cmp cl, 0x20
jne 0x403933
or esi, 4
cmp dword [eax - 2], 0x3d442f20
je 0x40394e
push dword [esp + 0x10]
push eax
call fcn.00405e3b
cmp byte [eax], 0x22
jne 0x4038e3
inc eax
jmp 0x4038e3
and byte [eax - 2], 0
add eax, 2
push eax
push 0x7fc000
call fcn.0040630d
push esi
call fcn.004032ee
mov ebx, eax
test ebx, ebx
jne 0x4039d4
cmp dword [0x7d1354], eax
je 0x4039bd
push eax
push edi
call fcn.00405e3b
mov esi, eax
cmp esi, edi
jb 0x40398c
cmp dword [esi], 0x3d3f5f20
je 0x40398c
dec esi
jmp 0x40397d
cmp esi, edi
mov ebx, str.Error_launching_installer
jb 0x4039fa
and byte [esi], 0
add esi, 4
push esi
call fcn.00405ef2
test eax, eax
je 0x4039d4
push esi
push 0x7fc000
call fcn.0040630d
push esi
push 0x7fe000
call fcn.0040630d
xor ebx, ebx
or dword [0x7d13ec], 0xffffffff
call fcn.00403c05
push 1
mov dword [esp + 0x1c], eax
call fcn.0040661a
call fcn.00403bbf
call dword [sym.imp.ole32.dll_OleUninitialize]
test ebx, ebx
je 0x403b0c
push 0x200010
push ebx
call fcn.00405bac
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
push str.nsu.tmp_
push ebp
call fcn.00406330
push 0
push ebp
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
and dword [esp + 0x10], 0
mov esi, 0x7a7cd4
mov edi, 0x7abcd4
push ebp
push esi
mov word [0x7a7cd4], 0x22
call fcn.00406330
push str.Au_.exe
push esi
call fcn.00406330
push 0x7a7cd5
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
test ebx, ebx
je 0x403af2
push 0x2000
push edi
push dword [0x7d1340]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
lea eax, [eax + 0x7abcce]
push 0x40a74d
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x4039d4
push 0
push 0x7a7cd5
push edi
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x403af2
push 0
push 0x7a7cd5
call fcn.00406054
cmp byte [0x7fc000], 0
je 0x403aab
push 0x7fc000
push edi
call fcn.0040630d
jmp 0x403ab1
push edi
call fcn.00405e57
push 0x40a7c4
push esi
call fcn.00406330
push dword [esp + 0x14]
push esi
call fcn.00406330
push str.___
push esi
call fcn.00406330
push edi
push esi
call fcn.00406330
push esi
call fcn.00405e10
push ebp
push esi
call fcn.00405b25
test eax, eax
je 0x403af2
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor ebx, ebx
inc byte [str.Au_.exe]
inc dword [esp + 0x10]
cmp dword [esp + 0x10], 0x1a
jl 0x403a1d
jmp 0x4039d4
cmp dword [0x7d13d4], 0
je 0x403ba7
mov esi, str.ADVAPI32.dll
push str.OpenProcessToken
push esi
call fcn.004067f3
push str.LookupPrivilegeValueA
push esi
mov ebp, eax
call fcn.004067f3
push str.AdjustTokenPrivileges
push esi
mov edi, eax
call fcn.004067f3
xor esi, esi
mov ebx, eax
cmp ebp, esi
je 0x403b93
cmp edi, esi
je 0x403b93
cmp ebx, esi
je 0x403b93
lea eax, [esp + 0x14]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebp
test eax, eax
je 0x403b93
lea eax, [esp + 0x20]
push eax
push str.SeShutdownPrivilege
push esi
call edi
push esi
push esi
lea eax, [esp + 0x24]
push esi
push eax
push esi
push dword [esp + 0x28]
mov dword [esp + 0x34], 1
mov dword [esp + 0x40], 2
call ebx
push esi
push 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
test eax, eax
jne 0x403ba7
push 9
call fcn.00401518
mov eax, dword [0x7d13ec]
cmp eax, 0xffffffff
je 0x403bb5
mov dword [esp + 0x18], eax
push dword [esp + 0x18]
call dword [sym.imp.KERNEL32.dll_ExitProcess]