Function at 0x40311b
Capabilities:
Get file size

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
push ebx
push esi
xor ebx, ebx
push edi
mov dword [ebp - 8], ebx
mov dword [ebp - 4], ebx
call dword [sym.imp.KERNEL32.dll_GetTickCount]
push 0x2004
mov esi, 0x4e80d8
push esi
add eax, 0x3e8
push ebx
mov dword [0x47b300], eax
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
push 3
push 0x80000000
push esi
call fcn.004058fe
mov edi, eax
mov dword [ebp - 0xc], edi
mov dword [0x40a010], edi
cmp edi, 0xffffffff
jne 0x403175
mov eax, str.Error_launching_installer
jmp 0x40334a
push esi
mov esi, 0x4d80b8
push esi
call fcn.00405ab8
push esi
call fcn.00406015
push eax
push 0x4ec0e0
call fcn.00405ab8
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, ebx
mov dword [0x43bd38], eax
mov esi, eax
jle 0x403290
mov ebx, 0x42a178
mov eax, dword [0x47b30c]
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
mov edi, esi
jl 0x4031c9
mov edi, eax
push edi
push ebx
call fcn.00402e9e
test eax, eax
je 0x403351
cmp dword [0x47b30c], 0
jne 0x40325b
push 0x1c
push ebx
lea eax, [ebp - 0x28]
push eax
call fcn.004058ba
mov eax, dword [ebp - 0x28]
test eax, 0xfffffff0
jne 0x403269
cmp dword [ebp - 0x24], 0xdeadbeef
jne 0x403269
cmp dword [ebp - 0x18], 0x74736e49
jne 0x403269
cmp dword [ebp - 0x1c], 0x74666f73
jne 0x403269
cmp dword [ebp - 0x20], 0x6c6c754e
jne 0x403269
or dword [ebp + 8], eax
mov eax, dword [ebp + 8]
mov ecx, dword [0x42a174]
and eax, 2
or dword [0x47b380], eax
mov eax, dword [ebp - 0x10]
cmp eax, esi
mov dword [0x47b30c], ecx
jg 0x403359
test byte [ebp + 8], 8
jne 0x40324d
test byte [ebp + 8], 4
jne 0x40328e
inc dword [ebp - 4]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x403269
mov edi, esi
jmp 0x403269
test byte [ebp + 8], 2
jne 0x403269
push 0
call fcn.00402e3a
pop ecx
cmp esi, dword [0x43bd38]
jge 0x40327e
push edi
push ebx
push dword [ebp - 8]
call fcn.00406739
mov dword [ebp - 8], eax
add dword [0x42a174], edi
sub esi, edi
test esi, esi
jg 0x4031ae
xor ebx, ebx
push 1
call fcn.00402e3a
pop ecx
cmp dword [0x47b30c], ebx
je 0x403359
cmp dword [ebp - 4], ebx
je 0x4032d3
push dword [0x42a174]
call fcn.00402ed0
push 4
lea eax, [ebp + 8]
push eax
call fcn.00402e9e
test eax, eax
je 0x403359
mov eax, dword [ebp - 8]
cmp eax, dword [ebp + 8]
jne 0x403359
push dword [ebp - 0x14]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov esi, eax
mov eax, dword [0x47b30c]
add eax, 0x1c
push eax
call fcn.00402ed0
push dword [ebp - 0x14]
push esi
push ebx
push 0xffffffffffffffff
call fcn.00402ee7
cmp eax, dword [ebp - 0x14]
jne 0x403359
test byte [ebp - 0x28], 1
mov dword [0x47b2bc], esi
mov eax, dword [esi]
mov dword [0x47b308], eax
je 0x403318
inc dword [0x47b304]
push 8
pop ecx
lea eax, [esi + 0x44]
sub eax, 8
add dword [eax], esi
dec ecx
cmp ecx, ebx
jne 0x40331e
push 1
push ebx
push ebx
push dword [ebp - 0xc]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov dword [esi + 0x3c], eax
push 0x40
add esi, 4
push esi
push 0x47b2c0
call fcn.004058ba
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4
push 1
call fcn.00402e3a
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 0x40334a