Function at 0x404048
Capabilities:
Accept command line arguments
Copy file
Delete file
Get common file path
Terminate process

Disassembly:
sub esp, 0xc
push ebx
push ebp
push esi
push edi
mov dword [esp + 0x10], str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
xor ebx, ebx
mov byte [esp + 0x14], 0x20
call dword [sym.imp.COMCTL32.dll_InitCommonControls]
push ebx
call dword [sym.imp.ole32.dll_OleInitialize]
mov esi, 0x42a400
mov edi, 0x400
push esi
push edi
mov dword [0x423fa8], eax
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
call fcn.00404014
mov ebp, dword [sym.imp.KERNEL32.dll_lstrcatA]
test eax, eax
jne 0x4040b2
push 0x3fb
push esi
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push esi
call ebp
call fcn.00404014
test eax, eax
je 0x404209
mov esi, 0x423720
push esi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
push str.NSIS_Error
push esi
call sub.KERNEL32.dll_lstrcpyA
push edi
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
mov esi, 0x429000
push eax
push esi
call dword [sym.imp.KERNEL32.dll_lstrcpynA]
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
cmp byte [0x429000], 0x22
mov dword [0x423f20], eax
jne 0x4040fd
mov byte [esp + 0x14], 0x22
mov esi, 0x429001
push dword [esp + 0x14]
push esi
call fcn.004064a9
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov edi, eax
mov dword [esp + 0x18], edi
jmp 0x404177
cmp cl, 0x20
jne 0x404121
inc eax
cmp byte [eax], 0x20
je 0x40411b
cmp byte [eax], 0x22
mov byte [esp + 0x14], 0x20
jne 0x404131
inc eax
mov byte [esp + 0x14], 0x22
cmp byte [eax], 0x2f
jne 0x404167
inc eax
cmp byte [eax], 0x53
jne 0x40414a
mov cl, byte [eax + 1]
or cl, 0x20
cmp cl, 0x20
jne 0x40414a
or ebx, 2
cmp dword [eax], 0x4352434e
jne 0x404160
mov cl, byte [eax + 4]
or cl, 0x20
cmp cl, 0x20
jne 0x404160
or ebx, 4
cmp word [eax], 0x3d44
je 0x40417f
push dword [esp + 0x14]
push eax
call fcn.004064a9
cmp byte [eax], 0x22
jne 0x404177
inc eax
mov cl, byte [eax]
test cl, cl
jne 0x404116
jmp 0x404191
and byte [eax - 1], 0
add eax, 2
push eax
push 0x429400
call sub.KERNEL32.dll_lstrcpyA
push ebx
call fcn.004039ad
xor ebx, ebx
cmp eax, ebx
mov dword [esp + 0x10], eax
jne 0x404209
cmp dword [0x423f38], ebx
je 0x404200
push ebx
push edi
call fcn.004064a9
mov esi, eax
jmp 0x4041c6
cmp byte [esi], 0x5f
jne 0x4041c5
cmp byte [esi + 1], 0x3f
jne 0x4041c5
cmp byte [esi + 2], 0x3d
je 0x4041ca
dec esi
cmp esi, edi
jae 0x4041b4
cmp esi, edi
mov dword [esp + 0x10], str.Error_launching_installer
jb 0x404237
and byte [esi], 0
add esi, 3
push esi
call fcn.00406566
test eax, eax
je 0x404209
push esi
push 0x429400
call sub.KERNEL32.dll_lstrcpyA
push esi
push 0x429800
call sub.KERNEL32.dll_lstrcpyA
mov dword [esp + 0x10], ebx
call fcn.00404367
mov dword [esp + 0x18], eax
call fcn.0040432a
cmp dword [esp + 0x10], 0
pop edi
pop esi
pop ebp
pop ebx
je 0x404227
push 0x100010
push dword [esp + 4]
call fcn.004063c3
call dword [sym.imp.ole32.dll_OleUninitialize]
push dword [esp + 8]
call dword [sym.imp.KERNEL32.dll_ExitProcess]
mov dword [esp + 0x14], ebx
mov edi, 0x41f8f1
mov esi, 0x41f8f0
mov ebx, 0x41f4f0
push 0x42a400
push edi
mov byte [0x41f8f0], 0x22
call sub.KERNEL32.dll_lstrcpyA
push str.ANSISu_.exe
push esi
call ebp
push edi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
cmp dword [esp + 0x10], 0
je 0x404310
push 0x400
push ebx
push dword [0x423f20]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
lea eax, [eax + 0x41f4e5]
push 0x40927d
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x404209
push 0
push edi
push ebx
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x404310
push 0
push edi
call fcn.004066ba
cmp byte [0x429400], 0
je 0x4042ce
push 0x429400
push ebx
call sub.KERNEL32.dll_lstrcpyA
jmp 0x4042d4
push ebx
call fcn.004064c5
push 0x409294
push esi
call ebp
push dword [esp + 0x18]
push esi
call ebp
push 0x40928c
push esi
call ebp
push ebx
push esi
call ebp
push esi
call fcn.0040647d
push 0x42a400
push esi
call fcn.0040634b
test eax, eax
je 0x404310
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
and dword [esp + 0x10], 0
inc byte [str.ANSISu_.exe]
inc dword [esp + 0x14]
cmp dword [esp + 0x14], 0x1a
jl 0x40424a
jmp 0x404209