Function at 0x402f31
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, 0x487000
push 0x2000
add eax, 0x3e8
push esi
push ebx
mov dword [0x45042c], eax
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push esi
call fcn.00405e20
mov edi, eax
cmp edi, 0xffffffff
mov dword [ebp - 0xc], edi
mov dword [0x40a018], edi
jne 0x402f8b
mov eax, str.Error_launching_installer
jmp 0x403161
push esi
mov esi, 0x47f000
push esi
call fcn.0040628d
push esi
call fcn.00405c66
push eax
push 0x489000
call fcn.0040628d
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, ebx
mov dword [0x432044], eax
mov esi, eax
jbe 0x4030a4
mov ebx, 0x41e038
mov eax, dword [0x450434]
mov edi, esi
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
jb 0x402fdf
mov edi, eax
push edi
push ebx
call fcn.0040337a
test eax, eax
je 0x40310e
cmp dword [0x450434], 0
jne 0x403071
push 0x1c
lea eax, [ebp - 0x28]
push ebx
push eax
call fcn.00405ddb
mov eax, dword [ebp - 0x28]
test eax, 0xfffffff0
jne 0x40307f
cmp dword [ebp - 0x24], 0xdeadbeef
jne 0x40307f
cmp dword [ebp - 0x18], 0x74736e49
jne 0x40307f
cmp dword [ebp - 0x1c], 0x74666f73
jne 0x40307f
cmp dword [ebp - 0x20], 0x6c6c754e
jne 0x40307f
or dword [ebp + 8], eax
mov eax, dword [ebp + 8]
mov ecx, dword [0x426038]
and eax, 2
or dword [0x4504c0], eax
mov eax, dword [ebp - 0x10]
cmp eax, esi
mov dword [0x450434], ecx
ja 0x403107
test byte [ebp + 8], 8
jne 0x403063
test byte [ebp + 8], 4
jne 0x4030a2
inc dword [ebp - 4]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x40307f
mov edi, esi
jmp 0x40307f
test byte [ebp + 8], 2
jne 0x40307f
push 0
call fcn.00402ecd
pop ecx
cmp esi, dword [0x432044]
jae 0x403094
push edi
push ebx
push dword [ebp - 8]
call fcn.0040676c
mov dword [ebp - 8], eax
add dword [0x426038], edi
sub esi, edi
jne 0x402fc4
xor ebx, ebx
push 1
call fcn.00402ecd
cmp dword [0x450434], ebx
pop ecx
je 0x403107
cmp dword [ebp - 4], ebx
je 0x4030db
push dword [0x426038]
call fcn.00403390
lea eax, [ebp + 8]
push 4
push eax
call fcn.0040337a
test eax, eax
je 0x403107
mov eax, dword [ebp - 8]
cmp eax, dword [ebp + 8]
jne 0x403107
push dword [ebp - 0x14]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov esi, eax
mov eax, dword [0x450434]
add eax, 0x1c
push eax
call fcn.00403390
push dword [ebp - 0x14]
push esi
push ebx
push 0xffffffffffffffff
call fcn.00403168
cmp eax, dword [ebp - 0x14]
je 0x403118
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 0x403161
push 1
call fcn.00402ecd
pop ecx
jmp 0x403107
test byte [ebp - 0x28], 1
mov dword [0x450430], esi
mov eax, dword [esi]
mov dword [0x450438], eax
je 0x403131
inc dword [0x45043c]
push 8
lea eax, [esi + 0x44]
pop ecx
sub eax, 8
add dword [eax], esi
dec ecx
jne 0x403137
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 0x450440
call fcn.00405ddb
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4