Function at 0x4031da
Capabilities:
Get file size

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x22c
push ebx
push esi
xor ebx, ebx
push edi
mov dword [ebp - 4], ebx
mov dword [ebp - 8], ebx
call dword [sym.imp.KERNEL32.dll_GetTickCount]
push 0x2004
mov esi, 0x4dd0d8
push esi
add eax, 0x3e8
push ebx
mov dword [0x470600], eax
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
push 3
push 0x80000000
push esi
call fcn.00405a28
mov edi, eax
mov dword [0x40a010], edi
cmp edi, 0xffffffff
jne 0x403234
mov eax, str.Error_launching_installer
jmp 0x40346e
push esi
mov esi, 0x4cd0b8
push esi
call fcn.00405be2
push esi
call fcn.0040613f
push eax
push 0x4e10e0
call fcn.00405be2
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, ebx
mov dword [0x42e1c0], eax
mov esi, eax
jle 0x40334f
mov ebx, 0x41e138
mov eax, dword [0x47060c]
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
mov edi, esi
jl 0x403288
mov edi, eax
push edi
push ebx
call fcn.00402ee8
test eax, eax
je 0x4033e2
cmp dword [0x47060c], 0
jne 0x40331a
push 0x1c
push ebx
lea eax, [ebp - 0x24]
push eax
call fcn.004059e4
mov eax, dword [ebp - 0x24]
test eax, 0xfffffff0
jne 0x403328
cmp dword [ebp - 0x20], 0xdeadbeef
jne 0x403328
cmp dword [ebp - 0x14], 0x74736e49
jne 0x403328
cmp dword [ebp - 0x18], 0x74666f73
jne 0x403328
cmp dword [ebp - 0x1c], 0x6c6c754e
jne 0x403328
or dword [ebp + 8], eax
mov eax, dword [ebp + 8]
mov ecx, dword [0x41e134]
and eax, 2
or dword [0x470680], eax
mov eax, dword [ebp - 0xc]
cmp eax, esi
mov dword [0x47060c], ecx
jg 0x4033ea
test byte [ebp + 8], 8
jne 0x40330c
test byte [ebp + 8], 4
jne 0x40334d
inc dword [ebp - 8]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x403328
mov edi, esi
jmp 0x403328
test byte [ebp + 8], 2
jne 0x403328
push 0
call fcn.00402e4f
pop ecx
cmp esi, dword [0x42e1c0]
jge 0x40333d
push edi
push ebx
push dword [ebp - 4]
call fcn.00406863
mov dword [ebp - 4], eax
add dword [0x41e134], edi
sub esi, edi
test esi, esi
jg 0x40326d
xor ebx, ebx
push 1
call fcn.00402e4f
pop ecx
cmp dword [0x47060c], ebx
je 0x4033ea
cmp dword [ebp - 8], ebx
je 0x40338a
push dword [0x41e134]
call fcn.00402f1a
push 4
lea eax, [ebp + 8]
push eax
call fcn.00402ee8
test eax, eax
je 0x4033ea
mov eax, dword [ebp - 4]
cmp eax, dword [ebp + 8]
jne 0x4033ea
push dword [ebp - 0x10]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov ecx, 0x426138
mov esi, eax
call fcn.004068d4
push 0x4d50c8
lea eax, [ebp - 0x22c]
push eax
call fcn.00405a57
push ebx
push 0x4000100
push 2
push ebx
push ebx
push 0xc0000000
lea eax, [ebp - 0x22c]
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [0x40a014], eax
cmp eax, 0xffffffff
jne 0x4033f1
mov eax, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
jmp 0x40346e
push 1
call fcn.00402e4f
pop ecx
mov eax, str.Installer_integrity_check_has_failed._Common_causes_include_nincomplete_download_and_damaged_media._Contact_the_ninstallers_author_to_obtain_a_new_copy._n_nMore_information_at:_nhttp:__nsis.sf.net_NSIS_Error
jmp 0x40346e
mov eax, dword [0x47060c]
add eax, 0x1c
push eax
call fcn.00402f1a
mov ecx, dword [ebp - 0x24]
push dword [ebp - 0x10]
not ecx
and ecx, 4
mov dword [0x4321cc], eax
sub eax, ecx
mov ecx, dword [ebp - 0xc]
push esi
push ebx
lea eax, [eax + ecx - 0x1c]
push 0xffffffffffffffff
mov dword [0x4321c8], eax
call fcn.004030af
cmp eax, dword [ebp - 0x10]
jne 0x4033ea
test byte [ebp - 0x24], 1
mov dword [0x4705bc], esi
mov eax, dword [esi]
mov dword [0x470608], eax
je 0x403444
inc dword [0x470604]
push 8
pop ecx
lea eax, [esi + 0x44]
sub eax, 8
add dword [eax], esi
dec ecx
cmp ecx, ebx
jne 0x40344a
mov eax, dword [0x42e1c4]
mov dword [esi + 0x3c], eax
push 0x40
add esi, 4
push esi
push 0x4705c0
call fcn.004059e4
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4