Function at 0x40312a
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.00405913
mov edi, eax
mov dword [ebp - 0xc], edi
mov dword [0x40a010], edi
cmp edi, 0xffffffff
jne 0x403184
mov eax, str.Error_launching_installer
jmp 0x403359
push esi
mov esi, 0x4d80b8
push esi
call fcn.00405acc
push esi
call fcn.004060b7
push eax
push 0x4ec0e0
call fcn.00405acc
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [0x43bd38], eax
mov esi, eax
cmp eax, ebx
jle 0x40329f
mov ebx, 0x42a178
mov eax, dword [0x47b30c]
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
mov edi, esi
cmp esi, eax
jl 0x4031d8
mov edi, eax
push edi
push ebx
call fcn.00402ead
test eax, eax
je 0x403360
cmp dword [0x47b30c], 0
jne 0x40326a
push 0x1c
push ebx
lea eax, [ebp - 0x28]
push eax
call fcn.004058cf
mov eax, dword [ebp - 0x28]
test eax, 0xfffffff0
jne 0x403278
cmp dword [ebp - 0x24], 0xa7190845
jne 0x403278
cmp dword [ebp - 0x18], 0x2617733f
jne 0x403278
cmp dword [ebp - 0x1c], 0xade48183
jne 0x403278
cmp dword [ebp - 0x20], 0x980d3f65
jne 0x403278
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]
mov dword [0x47b30c], ecx
cmp eax, esi
jg 0x403368
test byte [ebp + 8], 8
jne 0x40325c
test byte [ebp + 8], 4
jne 0x40329d
inc dword [ebp - 4]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x403278
mov edi, esi
jmp 0x403278
test byte [ebp + 8], 2
jne 0x403278
push 0
call fcn.00402e49
pop ecx
cmp esi, dword [0x43bd38]
jge 0x40328d
push edi
push ebx
push dword [ebp - 8]
call fcn.00406b79
mov dword [ebp - 8], eax
add dword [0x42a174], edi
sub esi, edi
test esi, esi
jg 0x4031bd
xor ebx, ebx
push 1
call fcn.00402e49
pop ecx
cmp dword [0x47b30c], ebx
je 0x403368
cmp dword [ebp - 4], ebx
je 0x4032e2
push dword [0x42a174]
call fcn.00402edf
push 4
lea eax, [ebp + 8]
push eax
call fcn.00402ead
test eax, eax
je 0x403368
mov eax, dword [ebp - 8]
cmp eax, dword [ebp + 8]
jne 0x403368
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.00402edf
push dword [ebp - 0x14]
push esi
push ebx
push 0xffffffffffffffff
call fcn.00402ef6
cmp eax, dword [ebp - 0x14]
jne 0x403368
test byte [ebp - 0x28], 1
mov dword [0x47b2bc], esi
mov eax, dword [esi]
mov dword [0x47b308], eax
je 0x403327
inc dword [0x47b304]
push 8
pop ecx
lea eax, [esi + 0x44]
sub eax, 8
add dword [eax], esi
dec ecx
cmp ecx, ebx
jne 0x40332d
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.004058cf
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4
push 1
call fcn.00402e49
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 0x403359