Function at 0x40303b
Capabilities:
Get file size

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x128
push ebx
push esi
xor ebx, ebx
push edi
mov dword [ebp - 4], ebx
mov dword [ebp - 8], ebx
call dword [sym.imp.KERNEL32.dll_GetTickCount]
push 0x2000
mov esi, 0x7fc000
push esi
add eax, 0x3e8
push ebx
mov dword [0x7c5460], eax
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push esi
call fcn.0040563d
mov edi, eax
mov dword [0x409010], edi
cmp edi, 0xffffffff
jne 0x403095
mov eax, str.Error_launching_installer
jmp 0x4032d5
push esi
mov esi, 0x7f4000
push esi
call fcn.004057cd
push esi
call fcn.00405947
push eax
push 0x7fe000
call fcn.004057cd
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, ebx
mov dword [0x79a1b4], eax
mov esi, eax
jle 0x4031b3
mov eax, dword [0x7c546c]
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
mov edi, esi
jl 0x4030e4
mov edi, eax
push edi
push 0x4138f0
call fcn.00402d49
test eax, eax
je 0x403249
cmp dword [0x7c546c], ebx
jne 0x40317d
push 0x1c
push 0x4138f0
lea eax, [ebp - 0x24]
push eax
call fcn.004055f9
mov eax, dword [ebp - 0x24]
test eax, 0xfffffff0
jne 0x40318a
cmp dword [ebp - 0x20], 0xdeadbeef
jne 0x40318a
cmp dword [ebp - 0x14], 0x74736e49
jne 0x40318a
cmp dword [ebp - 0x18], 0x74666f73
jne 0x40318a
cmp dword [ebp - 0x1c], 0x6c6c754e
jne 0x40318a
or dword [ebp + 8], eax
mov eax, dword [ebp + 8]
mov ecx, dword [0x4138ec]
and eax, 2
or dword [0x7c54e0], eax
mov eax, dword [ebp - 0xc]
cmp eax, esi
mov dword [0x7c546c], ecx
jg 0x403251
test byte [ebp + 8], 8
jne 0x40316f
test byte [ebp + 8], 4
jne 0x4031b3
inc dword [ebp - 8]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x40318a
mov edi, esi
jmp 0x40318a
test byte [ebp + 8], 2
jne 0x40318a
push ebx
call fcn.00402caa
pop ecx
cmp esi, dword [0x79a1b4]
jge 0x4031a3
push edi
push 0x4138f0
push dword [ebp - 4]
call fcn.00406005
mov dword [ebp - 4], eax
add dword [0x4138ec], edi
sub esi, edi
cmp esi, ebx
jg 0x4030c9
push 1
call fcn.00402caa
pop ecx
cmp dword [0x7c546c], ebx
je 0x403251
cmp dword [ebp - 8], ebx
je 0x4031ee
push dword [0x4138ec]
call fcn.00402d7b
push 4
lea eax, [ebp + 8]
push eax
call fcn.00402d49
test eax, eax
je 0x403251
mov eax, dword [ebp - 4]
cmp eax, dword [ebp + 8]
jne 0x403251
push dword [ebp - 0x10]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov esi, eax
push 0x7f8000
lea eax, [ebp - 0x128]
push eax
mov byte [0x41b900], 0xb
mov dword [0x41b918], ebx
call fcn.0040566c
push ebx
push 0x4000100
push 2
push ebx
push ebx
push 0xc0000000
lea eax, [ebp - 0x128]
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov dword [0x409014], eax
cmp eax, 0xffffffff
jne 0x403258
mov eax, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
jmp 0x4032d5
push 1
call fcn.00402caa
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 0x4032d5
mov eax, dword [0x7c546c]
add eax, 0x1c
push eax
call fcn.00402d7b
mov ecx, dword [ebp - 0x24]
push dword [ebp - 0x10]
not ecx
and ecx, 4
mov dword [0x7a61c0], eax
sub eax, ecx
mov ecx, dword [ebp - 0xc]
push esi
push ebx
lea eax, [eax + ecx - 0x1c]
push 0xffffffffffffffff
mov dword [0x7a61bc], eax
call fcn.00402f10
cmp eax, dword [ebp - 0x10]
jne 0x403251
test byte [ebp - 0x24], 1
mov dword [0x7c540c], esi
mov eax, dword [esi]
mov dword [0x7c5468], eax
je 0x4032ab
inc dword [0x7c5464]
push 8
pop ecx
lea eax, [esi + 0x44]
sub eax, 8
add dword [eax], esi
dec ecx
cmp ecx, ebx
jne 0x4032b1
mov eax, dword [0x7a61b8]
mov dword [esi + 0x3c], eax
push 0x40
add esi, 4
push esi
push 0x7c5420
call fcn.004055f9
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4