Function at 0x403550
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 [0x425b90], eax
push esi
lea eax, [esp + 0x30]
push 0x160
push eax
push esi
push 0x420490
call dword [sym.imp.SHELL32.dll_SHGetFileInfoA]
push str.NSIS_Error
push 0x4252e0
call fcn.00405efc
mov ebp, 0x42c400
push ebp
push 0x400
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
call fcn.0040351c
test eax, eax
jne 0x4035e0
push 0x3fb
push ebp
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push ebp
call sub.KERNEL32.dll_lstrcatA
call fcn.0040351c
test eax, eax
je 0x403723
mov edi, 0x42b000
push edi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
push eax
push edi
call fcn.00405efc
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
cmp byte [0x42b000], 0x22
mov dword [0x425ae0], eax
mov eax, edi
jne 0x40361b
mov byte [esp + 0x10], 0x22
mov eax, 0x42b001
push dword [esp + 0x10]
push eax
call fcn.00405a1a
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov dword [esp + 0x14], eax
jmp 0x403695
cmp cl, 0x20
jne 0x40363d
inc eax
cmp byte [eax], 0x20
je 0x403637
cmp byte [eax], 0x22
mov byte [esp + 0x10], 0x20
jne 0x40364d
inc eax
mov byte [esp + 0x10], 0x22
cmp byte [eax], 0x2f
jne 0x403685
inc eax
cmp byte [eax], 0x53
jne 0x403666
mov cl, byte [eax + 1]
or cl, 0x20
cmp cl, 0x20
jne 0x403666
or esi, 2
cmp dword [eax], 0x4352434e
jne 0x40367c
mov cl, byte [eax + 4]
or cl, 0x20
cmp cl, 0x20
jne 0x40367c
or esi, 4
cmp dword [eax - 2], 0x3d442f20
je 0x40369d
push dword [esp + 0x10]
push eax
call fcn.00405a1a
cmp byte [eax], 0x22
jne 0x403695
inc eax
mov cl, byte [eax]
test cl, cl
jne 0x403632
jmp 0x4036af
and byte [eax - 2], 0
add eax, 2
push eax
push 0x42b400
call fcn.00405efc
push esi
call fcn.00403050
mov ebx, eax
test ebx, ebx
jne 0x403723
cmp dword [0x425af4], eax
je 0x40370c
push eax
push edi
call fcn.00405a1a
mov esi, eax
jmp 0x4036d7
cmp dword [esi], 0x3d3f5f20
je 0x4036db
dec esi
cmp esi, edi
jae 0x4036ce
cmp esi, edi
mov ebx, str.Error_launching_installer
jb 0x403749
and byte [esi], 0
add esi, 4
push esi
call fcn.00405acf
test eax, eax
je 0x403723
push esi
push 0x42b400
call fcn.00405efc
push esi
push 0x42b800
call fcn.00405efc
xor ebx, ebx
or dword [0x425b8c], 0xffffffff
call fcn.00403954
push 1
mov dword [esp + 0x1c], eax
call fcn.004061d1
call fcn.0040390e
call dword [sym.imp.ole32.dll_OleUninitialize]
test ebx, ebx
je 0x40385b
push 0x200010
push ebx
call fcn.00405794
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
push str.nsu.tmp_
push ebp
call sub.KERNEL32.dll_lstrcatA
push 0
push ebp
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
and dword [esp + 0x10], 0
mov esi, 0x41f890
mov edi, 0x420090
push ebp
push esi
mov word [0x41f890], 0x22
call sub.KERNEL32.dll_lstrcatA
push str.Au_.exe
push esi
call sub.KERNEL32.dll_lstrcatA
push 0x41f891
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
test ebx, ebx
je 0x403841
push 0x400
push edi
push dword [0x425ae0]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
lea eax, [eax + 0x42008a]
push 0x409741
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x403723
push 0
push 0x41f891
push edi
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x403841
push 0
push 0x41f891
call fcn.00405c49
cmp byte [0x42b400], 0
je 0x4037fa
push 0x42b400
push edi
call fcn.00405efc
jmp 0x403800
push edi
call fcn.00405a36
push 0x4097b8
push esi
call sub.KERNEL32.dll_lstrcatA
push dword [esp + 0x14]
push esi
call sub.KERNEL32.dll_lstrcatA
push str.___
push esi
call sub.KERNEL32.dll_lstrcatA
push edi
push esi
call sub.KERNEL32.dll_lstrcatA
push esi
call fcn.004059ef
push ebp
push esi
call fcn.0040571c
test eax, eax
je 0x403841
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 0x40376c
jmp 0x403723
cmp dword [0x425b74], 0
je 0x4038f6
mov esi, str.ADVAPI32.dll
push str.OpenProcessToken
push esi
call fcn.004063bc
push str.LookupPrivilegeValueA
push esi
mov ebp, eax
call fcn.004063bc
push str.AdjustTokenPrivileges
push esi
mov edi, eax
call fcn.004063bc
xor esi, esi
mov ebx, eax
cmp ebp, esi
je 0x4038e2
cmp edi, esi
je 0x4038e2
cmp ebx, esi
je 0x4038e2
lea eax, [esp + 0x14]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebp
test eax, eax
je 0x4038e2
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 0x4038f6
push 9
call fcn.00401410
mov eax, dword [0x425b8c]
cmp eax, 0xffffffff
je 0x403904
mov dword [esp + 0x18], eax
push dword [esp + 0x18]
call dword [sym.imp.KERNEL32.dll_ExitProcess]