Function at 0x40379d
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, 0x180
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 dword [esp + 0x10], esi
mov byte [esp + 0x14], 0x20
call dword [sym.imp.COMCTL32.dll_InitCommonControls]
push esi
call dword [sym.imp.ole32.dll_OleInitialize]
mov dword [0x44baf0], eax
push esi
lea eax, [esp + 0x34]
push 0x160
push eax
push esi
push 0x42f3c8
call dword [sym.imp.SHELL32.dll_SHGetFileInfoA]
push str.NSIS_Error
push 0x447a40
call fcn.00406294
mov ebp, 0x47e000
mov edi, 0x2000
push ebp
push edi
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
call fcn.00403769
test eax, eax
jne 0x403832
push 0x1ffb
push ebp
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push ebp
call fcn.004062b2
call fcn.00403769
test eax, eax
je 0x40397d
mov esi, 0x474000
push esi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
push edi
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_lstrcpynA]
xor edi, edi
push edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
cmp byte [0x474000], 0x22
mov dword [0x44ba40], eax
mov eax, esi
jne 0x403870
mov byte [esp + 0x14], 0x22
mov eax, 0x474001
push dword [esp + 0x14]
push eax
call fcn.00405dc4
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov dword [esp + 0x1c], eax
mov cl, byte [eax]
test cl, cl
je 0x403906
cmp cl, 0x20
jne 0x403896
inc eax
cmp byte [eax], 0x20
je 0x403890
cmp byte [eax], 0x22
mov byte [esp + 0x14], 0x20
jne 0x4038a6
inc eax
mov byte [esp + 0x14], 0x22
cmp byte [eax], 0x2f
jne 0x4038e2
inc eax
cmp byte [eax], 0x53
jne 0x4038c1
mov cl, byte [eax + 1]
or cl, 0x20
cmp cl, 0x20
jne 0x4038c1
or dword [esp + 0x10], 2
cmp dword [eax], 0x4352434e
jne 0x4038d9
mov cl, byte [eax + 4]
or cl, 0x20
cmp cl, 0x20
jne 0x4038d9
or dword [esp + 0x10], 4
cmp dword [eax - 2], 0x3d442f20
je 0x4038f4
push dword [esp + 0x14]
push eax
call fcn.00405dc4
cmp byte [eax], 0x22
jne 0x403885
inc eax
jmp 0x403885
and byte [eax - 2], 0
add eax, 2
push eax
push 0x476000
call fcn.00406294
push dword [esp + 0x10]
call fcn.0040329b
mov ebx, eax
cmp ebx, edi
jne 0x40397d
cmp dword [0x44ba54], edi
je 0x403966
push edi
push esi
call fcn.00405dc4
mov edi, eax
cmp edi, esi
jb 0x403935
cmp dword [edi], 0x3d3f5f20
je 0x403935
dec edi
jmp 0x403926
cmp edi, esi
mov ebx, str.Error_launching_installer
jb 0x4039a3
and byte [edi], 0
add edi, 4
push edi
call fcn.00405e7b
test eax, eax
je 0x40397d
push edi
push 0x476000
call fcn.00406294
push edi
push 0x478000
call fcn.00406294
xor ebx, ebx
or dword [0x44baec], 0xffffffff
call fcn.00403bae
push 1
mov dword [esp + 0x1c], eax
call fcn.0040659d
call fcn.00403b68
call dword [sym.imp.ole32.dll_OleUninitialize]
test ebx, ebx
je 0x403ab5
push 0x200010
push ebx
call fcn.00405b4b
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
push str.nsu.tmp_
push ebp
call fcn.004062b2
push 0
push ebp
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
and dword [esp + 0x10], 0
mov esi, 0x4293c8
mov edi, 0x42d3c8
push ebp
push esi
mov word [0x4293c8], 0x22
call fcn.004062b2
push str.Au_.exe
push esi
call fcn.004062b2
push 0x4293c9
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
test ebx, ebx
je 0x403a9b
push 0x2000
push edi
push dword [0x44ba40]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
lea eax, [eax + 0x42d3c2]
push 0x40a71d
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x40397d
push 0
push 0x4293c9
push edi
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x403a9b
push 0
push 0x4293c9
call fcn.00405fdd
cmp byte [0x476000], 0
je 0x403a54
push 0x476000
push edi
call fcn.00406294
jmp 0x403a5a
push edi
call fcn.00405de0
push 0x40a794
push esi
call fcn.004062b2
push dword [esp + 0x1c]
push esi
call fcn.004062b2
push 0x40a78c
push esi
call fcn.004062b2
push edi
push esi
call fcn.004062b2
push esi
call fcn.00405d99
push ebp
push esi
call fcn.00405ac4
test eax, eax
je 0x403a9b
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 0x4039c6
jmp 0x40397d
cmp dword [0x44bad4], 0
je 0x403b50
mov esi, str.ADVAPI32.dll
push str.OpenProcessToken
push esi
call fcn.00406694
push str.LookupPrivilegeValueA
push esi
mov ebp, eax
call fcn.00406694
push str.AdjustTokenPrivileges
push esi
mov edi, eax
call fcn.00406694
xor esi, esi
mov ebx, eax
cmp ebp, esi
je 0x403b3c
cmp edi, esi
je 0x403b3c
cmp ebx, esi
je 0x403b3c
lea eax, [esp + 0x1c]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebp
test eax, eax
je 0x403b3c
lea eax, [esp + 0x24]
push eax
push str.SeShutdownPrivilege
push esi
call edi
push esi
push esi
lea eax, [esp + 0x28]
push esi
push eax
push esi
push dword [esp + 0x30]
mov dword [esp + 0x38], 1
mov dword [esp + 0x44], 2
call ebx
push esi
push 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
test eax, eax
jne 0x403b50
push 9
call fcn.00401518
mov eax, dword [0x44baec]
cmp eax, 0xffffffff
je 0x403b5e
mov dword [esp + 0x18], eax
push dword [esp + 0x18]
call dword [sym.imp.KERNEL32.dll_ExitProcess]