Function at 0x403015
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, 0x7b6800
push 0x400
add eax, 0x3e8
push esi
push ebx
mov dword [0x7a8a70], eax
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
push 3
push 0x80000000
push esi
call fcn.00405ee4
mov edi, eax
cmp edi, 0xffffffff
mov dword [ebp - 0xc], edi
mov dword [0x40a018], edi
jne 0x40306f
mov eax, str.Error_launching_installer
jmp 0x403245
push esi
mov esi, 0x7b4800
push esi
call fcn.004063ee
push esi
call fcn.00405d0f
push eax
push 0x7b7000
call fcn.004063ee
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, ebx
mov dword [0x79f704], eax
mov esi, eax
jbe 0x403188
mov ebx, 0x78b6f8
mov eax, dword [0x7a8a78]
mov edi, esi
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
jb 0x4030c3
mov edi, eax
push edi
push ebx
call fcn.00403444
test eax, eax
je 0x4031f2
cmp dword [0x7a8a78], 0
jne 0x403155
push 0x1c
lea eax, [ebp - 0x28]
push ebx
push eax
call fcn.00405e9f
mov eax, dword [ebp - 0x28]
test eax, 0xfffffff0
jne 0x403163
cmp dword [ebp - 0x24], 0xdeadbeef
jne 0x403163
cmp dword [ebp - 0x18], 0x74736e49
jne 0x403163
cmp dword [ebp - 0x1c], 0x74666f73
jne 0x403163
cmp dword [ebp - 0x20], 0x6c6c754e
jne 0x403163
or dword [ebp + 8], eax
mov eax, dword [ebp + 8]
mov ecx, dword [0x7936f8]
and eax, 2
or dword [0x7a8b20], eax
mov eax, dword [ebp - 0x10]
cmp eax, esi
mov dword [0x7a8a78], ecx
ja 0x4031eb
test byte [ebp + 8], 8
jne 0x403147
test byte [ebp + 8], 4
jne 0x403186
inc dword [ebp - 4]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x403163
mov edi, esi
jmp 0x403163
test byte [ebp + 8], 2
jne 0x403163
push 0
call fcn.00402fb1
pop ecx
cmp esi, dword [0x79f704]
jae 0x403178
push edi
push ebx
push dword [ebp - 8]
call fcn.004068d0
mov dword [ebp - 8], eax
add dword [0x7936f8], edi
sub esi, edi
jne 0x4030a8
xor ebx, ebx
push 1
call fcn.00402fb1
cmp dword [0x7a8a78], ebx
pop ecx
je 0x4031eb
cmp dword [ebp - 4], ebx
je 0x4031bf
push dword [0x7936f8]
call fcn.0040345a
lea eax, [ebp + 8]
push 4
push eax
call fcn.00403444
test eax, eax
je 0x4031eb
mov eax, dword [ebp - 8]
cmp eax, dword [ebp + 8]
jne 0x4031eb
push dword [ebp - 0x14]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov esi, eax
mov eax, dword [0x7a8a78]
add eax, 0x1c
push eax
call fcn.0040345a
push dword [ebp - 0x14]
push esi
push ebx
push 0xffffffffffffffff
call fcn.0040324c
cmp eax, dword [ebp - 0x14]
je 0x4031fc
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 0x403245
push 1
call fcn.00402fb1
pop ecx
jmp 0x4031eb
test byte [ebp - 0x28], 1
mov dword [0x7a8a74], esi
mov eax, dword [esi]
mov dword [0x7a8a7c], eax
je 0x403215
inc dword [0x7a8a80]
push 8
lea eax, [esi + 0x44]
pop ecx
sub eax, 8
add dword [eax], esi
dec ecx
jne 0x40321b
push 1
push ebx
push ebx
push dword [ebp - 0xc]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov dword [esi + 0x3c], eax
add esi, 4
push 0x40
push esi
push 0x7a8aa0
call fcn.00405e9f
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4