Function at 0x4030db
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]
mov esi, 0x7abc00
push 0x400
add eax, 0x3e8
push esi
push ebx
mov dword [0x7a4b0c], eax
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push esi
call fcn.00405d4d
mov edi, eax
cmp edi, 0xffffffff
mov dword [ebp - 0xc], edi
mov dword [0x40a66c], edi
jne 0x403135
mov eax, str.Error_launching_installer
jmp 0x403312
push esi
mov esi, 0x7aac00
push esi
call fcn.00406078
push esi
call fcn.00405ba8
push eax
push 0x7ac000
call fcn.00406078
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, ebx
mov dword [0x79f0b4], eax
mov esi, eax
jle 0x403250
mov ebx, 0x7970b4
mov eax, dword [0x7a4b14]
mov edi, esi
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
jl 0x403189
mov edi, eax
push edi
push ebx
call fcn.0040351e
test eax, eax
je 0x4032ba
cmp dword [0x7a4b14], 0
jne 0x40321b
push 0x1c
lea eax, [ebp - 0x28]
push ebx
push eax
call fcn.00405d08
mov eax, dword [ebp - 0x28]
test eax, 0xfffffff0
jne 0x403229
cmp dword [ebp - 0x24], 0xdeadbeef
jne 0x403229
cmp dword [ebp - 0x18], 0x74736e49
jne 0x403229
cmp dword [ebp - 0x1c], 0x74666f73
jne 0x403229
cmp dword [ebp - 0x20], 0x6c6c754e
jne 0x403229
or dword [ebp + 8], eax
mov eax, dword [ebp + 8]
mov ecx, dword [0x78b0ac]
and eax, 2
or dword [0x7a4ba0], eax
mov eax, dword [ebp - 0x10]
cmp eax, esi
mov dword [0x7a4b14], ecx
jg 0x4032b3
test byte [ebp + 8], 8
jne 0x40320d
test byte [ebp + 8], 4
jne 0x40324e
inc dword [ebp - 4]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x403229
mov edi, esi
jmp 0x403229
test byte [ebp + 8], 2
jne 0x403229
push 0
call fcn.00403077
pop ecx
cmp esi, dword [0x79f0b4]
jge 0x40323e
push edi
push ebx
push dword [ebp - 8]
call fcn.004065e7
mov dword [ebp - 8], eax
add dword [0x78b0ac], edi
sub esi, edi
test esi, esi
jg 0x40316e
xor ebx, ebx
push 1
call fcn.00403077
cmp dword [0x7a4b14], ebx
pop ecx
je 0x4032b3
cmp dword [ebp - 4], ebx
je 0x403287
push dword [0x78b0ac]
call fcn.00403550
lea eax, [ebp + 8]
push 4
push eax
call fcn.0040351e
test eax, eax
je 0x4032b3
mov eax, dword [ebp - 8]
cmp eax, dword [ebp + 8]
jne 0x4032b3
push dword [ebp - 0x14]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov esi, eax
mov eax, dword [0x7a4b14]
add eax, 0x1c
push eax
call fcn.00403550
push dword [ebp - 0x14]
push esi
push ebx
push 0xffffffffffffffff
call fcn.00403319
cmp eax, dword [ebp - 0x14]
je 0x4032c4
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 0x403312
push 1
call fcn.00403077
pop ecx
jmp 0x4032b3
test byte [ebp - 0x28], 1
mov dword [0x7a4b10], esi
mov eax, dword [esi]
mov dword [0x7a4b18], eax
je 0x4032dd
inc dword [0x7a4b1c]
lea edi, [esi + 0x3c]
push 8
mov eax, edi
pop ecx
add dword [eax], esi
dec ecx
sub eax, 8
test ecx, ecx
ja 0x4032e5
push 1
push 0
push 0
push dword [ebp - 0xc]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
add esi, 4
push 0x40
push esi
push 0x7a4b20
mov dword [edi], eax
call fcn.00405d08
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4