Function at 0x4030a5
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 0x2000
mov esi, 0x488000
push esi
add eax, 0x3e8
push ebx
mov dword [0x451920], eax
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push esi
call fcn.00405633
mov edi, eax
mov dword [ebp - 0xc], edi
mov dword [0x409010], edi
cmp edi, 0xffffffff
jne 0x4030ff
mov eax, str.Error_launching_installer
jmp 0x4032d4
push esi
mov esi, 0x480000
push esi
call fcn.004057c3
push esi
call fcn.0040593d
push eax
push 0x48a000
call fcn.004057c3
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, ebx
mov dword [0x4314f0], eax
mov esi, eax
jle 0x40321a
mov ebx, 0x41f930
mov eax, dword [0x45192c]
neg eax
sbb eax, eax
and eax, reloc.KERNEL32.dll_LoadLibraryA
add eax, 0x200
cmp esi, eax
mov edi, esi
jl 0x403153
mov edi, eax
push edi
push ebx
call fcn.00402e31
test eax, eax
je 0x4032db
cmp dword [0x45192c], 0
jne 0x4031e5
push 0x1c
push ebx
lea eax, [ebp - 0x28]
push eax
call fcn.004055ef
mov eax, dword [ebp - 0x28]
test eax, 0xfffffff0
jne 0x4031f3
cmp dword [ebp - 0x24], 0xdeadbeef
jne 0x4031f3
cmp dword [ebp - 0x18], 0x74736e49
jne 0x4031f3
cmp dword [ebp - 0x1c], 0x74666f73
jne 0x4031f3
cmp dword [ebp - 0x20], 0x6c6c754e
jne 0x4031f3
or dword [ebp + 8], eax
mov eax, dword [ebp + 8]
mov ecx, dword [0x41f92c]
and eax, 2
or dword [0x4519a0], eax
mov eax, dword [ebp - 0x10]
cmp eax, esi
mov dword [0x45192c], ecx
jg 0x4032e3
test byte [ebp + 8], 8
jne 0x4031d7
test byte [ebp + 8], 4
jne 0x403218
inc dword [ebp - 4]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x4031f3
mov edi, esi
jmp 0x4031f3
test byte [ebp + 8], 2
jne 0x4031f3
push 0
call fcn.00402dcd
pop ecx
cmp esi, dword [0x4314f0]
jge 0x403208
push edi
push ebx
push dword [ebp - 8]
call fcn.00405ffb
mov dword [ebp - 8], eax
add dword [0x41f92c], edi
sub esi, edi
test esi, esi
jg 0x403138
xor ebx, ebx
push 1
call fcn.00402dcd
pop ecx
cmp dword [0x45192c], ebx
je 0x4032e3
cmp dword [ebp - 4], ebx
je 0x40325d
push dword [0x41f92c]
call fcn.00402e63
push 4
lea eax, [ebp + 8]
push eax
call fcn.00402e31
test eax, eax
je 0x4032e3
mov eax, dword [ebp - 8]
cmp eax, dword [ebp + 8]
jne 0x4032e3
push dword [ebp - 0x14]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov esi, eax
mov eax, dword [0x45192c]
add eax, 0x1c
push eax
call fcn.00402e63
push dword [ebp - 0x14]
push esi
push ebx
push 0xffffffffffffffff
call fcn.00402e7a
cmp eax, dword [ebp - 0x14]
jne 0x4032e3
test byte [ebp - 0x28], 1
mov dword [0x4518cc], esi
mov eax, dword [esi]
mov dword [0x451928], eax
je 0x4032a2
inc dword [0x451924]
push 8
pop ecx
lea eax, [esi + 0x44]
sub eax, 8
add dword [eax], esi
dec ecx
cmp ecx, ebx
jne 0x4032a8
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 0x4518e0
call fcn.004055ef
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4
push 1
call fcn.00402dcd
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 0x4032d4