Function at 0x40307d
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 [0x7a8a6c], eax
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
push 3
push 0x80000000
push esi
call fcn.0040600a
mov edi, eax
cmp edi, 0xffffffff
mov dword [ebp - 0xc], edi
mov dword [0x40a018], edi
jne 0x4030d7
mov eax, str.Error_launching_installer
jmp 0x4032ad
push esi
mov esi, 0x7b4800
push esi
call fcn.0040651a
push esi
call fcn.00405e35
push eax
push 0x7b7000
call fcn.0040651a
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, ebx
mov dword [0x79f704], eax
mov esi, eax
jbe 0x4031f0
mov ebx, 0x78b6f8
mov eax, dword [0x7a8a74]
mov edi, esi
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
jb 0x40312b
mov edi, eax
push edi
push ebx
call fcn.004034ac
test eax, eax
je 0x40325a
cmp dword [0x7a8a74], 0
jne 0x4031bd
push 0x1c
lea eax, [ebp - 0x28]
push ebx
push eax
call fcn.00405fc5
mov eax, dword [ebp - 0x28]
test eax, 0xfffffff0
jne 0x4031cb
cmp dword [ebp - 0x24], 0xdeadbeef
jne 0x4031cb
cmp dword [ebp - 0x18], 0x74736e49
jne 0x4031cb
cmp dword [ebp - 0x1c], 0x74666f73
jne 0x4031cb
cmp dword [ebp - 0x20], 0x6c6c754e
jne 0x4031cb
or dword [ebp + 8], eax
mov eax, dword [ebp + 8]
mov ecx, dword [0x7936f8]
and eax, 2
or dword [0x7a8b00], eax
mov eax, dword [ebp - 0x10]
cmp eax, esi
mov dword [0x7a8a74], ecx
ja 0x403253
test byte [ebp + 8], 8
jne 0x4031af
test byte [ebp + 8], 4
jne 0x4031ee
inc dword [ebp - 4]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x4031cb
mov edi, esi
jmp 0x4031cb
test byte [ebp + 8], 2
jne 0x4031cb
push 0
call fcn.00403019
pop ecx
cmp esi, dword [0x79f704]
jae 0x4031e0
push edi
push ebx
push dword [ebp - 8]
call fcn.004069d4
mov dword [ebp - 8], eax
add dword [0x7936f8], edi
sub esi, edi
jne 0x403110
xor ebx, ebx
push 1
call fcn.00403019
cmp dword [0x7a8a74], ebx
pop ecx
je 0x403253
cmp dword [ebp - 4], ebx
je 0x403227
push dword [0x7936f8]
call fcn.004034c2
lea eax, [ebp + 8]
push 4
push eax
call fcn.004034ac
test eax, eax
je 0x403253
mov eax, dword [ebp - 8]
cmp eax, dword [ebp + 8]
jne 0x403253
push dword [ebp - 0x14]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov esi, eax
mov eax, dword [0x7a8a74]
add eax, 0x1c
push eax
call fcn.004034c2
push dword [ebp - 0x14]
push esi
push ebx
push 0xffffffffffffffff
call fcn.004032b4
cmp eax, dword [ebp - 0x14]
je 0x403264
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 0x4032ad
push 1
call fcn.00403019
pop ecx
jmp 0x403253
test byte [ebp - 0x28], 1
mov dword [0x7a8a70], esi
mov eax, dword [esi]
mov dword [0x7a8a78], eax
je 0x40327d
inc dword [0x7a8a7c]
push 8
lea eax, [esi + 0x44]
pop ecx
sub eax, 8
add dword [eax], esi
dec ecx
jne 0x403283
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 0x7a8a80
call fcn.00405fc5
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4