Function at 0x4030ab
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, 0x7fe000
push 0x2000
add eax, 0x3e8
push esi
push ebx
mov dword [0x7c7aec], eax
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push esi
call fcn.00405c23
mov edi, eax
cmp edi, 0xffffffff
mov dword [ebp - 0xc], edi
mov dword [0x40a648], edi
jne 0x403105
mov eax, str.Error_launching_installer
jmp 0x4032e2
push esi
mov esi, 0x7f6000
push esi
call fcn.00405f4e
push esi
call fcn.00405a7e
push eax
push 0x800000
call fcn.00405f4e
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, ebx
mov dword [0x7a7c8c], eax
mov esi, eax
jle 0x403220
mov ebx, 0x79fc8c
mov eax, dword [0x7c7af4]
mov edi, esi
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
jl 0x403159
mov edi, eax
push edi
push ebx
call fcn.004034ee
test eax, eax
je 0x40328a
cmp dword [0x7c7af4], 0
jne 0x4031eb
push 0x1c
lea eax, [ebp - 0x28]
push ebx
push eax
call fcn.00405bde
mov eax, dword [ebp - 0x28]
test eax, 0xfffffff0
jne 0x4031f9
cmp dword [ebp - 0x24], 0xdeadbeef
jne 0x4031f9
cmp dword [ebp - 0x18], 0x74736e49
jne 0x4031f9
cmp dword [ebp - 0x1c], 0x74666f73
jne 0x4031f9
cmp dword [ebp - 0x20], 0x6c6c754e
jne 0x4031f9
or dword [ebp + 8], eax
mov eax, dword [ebp + 8]
mov ecx, dword [0x793c84]
and eax, 2
or dword [0x7c7b80], eax
mov eax, dword [ebp - 0x10]
cmp eax, esi
mov dword [0x7c7af4], ecx
jg 0x403283
test byte [ebp + 8], 8
jne 0x4031dd
test byte [ebp + 8], 4
jne 0x40321e
inc dword [ebp - 4]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x4031f9
mov edi, esi
jmp 0x4031f9
test byte [ebp + 8], 2
jne 0x4031f9
push 0
call fcn.00403050
pop ecx
cmp esi, dword [0x7a7c8c]
jge 0x40320e
push edi
push ebx
push dword [ebp - 8]
call fcn.004064b9
mov dword [ebp - 8], eax
add dword [0x793c84], edi
sub esi, edi
test esi, esi
jg 0x40313e
xor ebx, ebx
push 1
call fcn.00403050
cmp dword [0x7c7af4], ebx
pop ecx
je 0x403283
cmp dword [ebp - 4], ebx
je 0x403257
push dword [0x793c84]
call fcn.00403520
lea eax, [ebp + 8]
push 4
push eax
call fcn.004034ee
test eax, eax
je 0x403283
mov eax, dword [ebp - 8]
cmp eax, dword [ebp + 8]
jne 0x403283
push dword [ebp - 0x14]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov esi, eax
mov eax, dword [0x7c7af4]
add eax, 0x1c
push eax
call fcn.00403520
push dword [ebp - 0x14]
push esi
push ebx
push 0xffffffffffffffff
call fcn.004032e9
cmp eax, dword [ebp - 0x14]
je 0x403294
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 0x4032e2
push 1
call fcn.00403050
pop ecx
jmp 0x403283
test byte [ebp - 0x28], 1
mov dword [0x7c7af0], esi
mov eax, dword [esi]
mov dword [0x7c7af8], eax
je 0x4032ad
inc dword [0x7c7afc]
lea edi, [esi + 0x3c]
push 8
mov eax, edi
pop ecx
add dword [eax], esi
dec ecx
sub eax, 8
test ecx, ecx
ja 0x4032b5
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 0x7c7b00
mov dword [edi], eax
call fcn.00405bde
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4