Function at 0x4030a5
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]
mov esi, 0x42dc00
push 0x400
add eax, 0x3e8
push esi
push ebx
mov dword [0x4262ec], eax
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push esi
call fcn.00405c9b
mov edi, eax
cmp edi, 0xffffffff
mov dword [0x40a648], edi
jne 0x4030ff
mov eax, str.Error_launching_installer
jmp 0x403344
push esi
mov esi, 0x42cc00
push esi
call fcn.00405fc4
push esi
call fcn.00405afe
push eax
push 0x42e000
call fcn.00405fc4
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, ebx
mov dword [0x420880], eax
mov esi, eax
jle 0x40321d
mov eax, dword [0x4262f4]
mov edi, esi
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
jl 0x40314e
mov edi, eax
push edi
push 0x418880
call fcn.004035f2
test eax, eax
je 0x4032b8
cmp dword [0x4262f4], ebx
jne 0x4031e7
push 0x1c
lea eax, [ebp - 0x24]
push 0x418880
push eax
call fcn.00405c5c
mov eax, dword [ebp - 0x24]
test eax, 0xfffffff0
jne 0x4031f4
cmp dword [ebp - 0x20], 0xdeadbeef
jne 0x4031f4
cmp dword [ebp - 0x14], 0x74736e49
jne 0x4031f4
cmp dword [ebp - 0x18], 0x74666f73
jne 0x4031f4
cmp dword [ebp - 0x1c], 0x6c6c754e
jne 0x4031f4
or dword [ebp + 8], eax
mov eax, dword [ebp + 8]
mov ecx, dword [0x418870]
and eax, 2
or dword [0x426380], eax
mov eax, dword [ebp - 0xc]
cmp eax, esi
mov dword [0x4262f4], ecx
jg 0x4032fc
test byte [ebp + 8], 8
jne 0x4031d9
test byte [ebp + 8], 4
jne 0x40321d
inc dword [ebp - 8]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x4031f4
mov edi, esi
jmp 0x4031f4
test byte [ebp + 8], 2
jne 0x4031f4
push ebx
call fcn.0040300f
pop ecx
cmp esi, dword [0x420880]
jge 0x40320d
push edi
push 0x418880
push dword [ebp - 4]
call fcn.004064fb
mov dword [ebp - 4], eax
add dword [0x418870], edi
sub esi, edi
cmp esi, ebx
jg 0x403133
push 1
call fcn.0040300f
cmp dword [0x4262f4], ebx
pop ecx
je 0x4032fc
cmp dword [ebp - 8], ebx
je 0x403260
push dword [0x418870]
call fcn.00403624
lea eax, [ebp + 8]
push 4
push eax
call fcn.004035f2
test eax, eax
je 0x4032fc
mov eax, dword [ebp - 4]
cmp eax, dword [ebp + 8]
jne 0x4032fc
push dword [ebp - 0x10]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov ecx, 0x40c7e8
mov esi, eax
call fcn.00406569
lea eax, [ebp - 0x128]
push 0x42d400
push eax
call fcn.00405cca
push ebx
push 0x4000100
push 2
push ebx
push ebx
lea eax, [ebp - 0x128]
push 0xc0000000
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
cmp eax, 0xffffffff
mov dword [0x40a64c], eax
jne 0x4032c2
mov eax, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
jmp 0x403344
push 1
call fcn.0040300f
pop ecx
jmp 0x4032fc
mov eax, dword [0x4262f4]
add eax, 0x1c
push eax
call fcn.00403624
mov ecx, dword [ebp - 0x24]
push dword [ebp - 0x10]
not ecx
and ecx, 4
mov dword [0x420884], eax
sub eax, ecx
mov ecx, dword [ebp - 0xc]
push esi
push ebx
lea eax, [eax + ecx - 0x1c]
push 0xffffffffffffffff
mov dword [0x418878], eax
call fcn.0040334b
cmp eax, dword [ebp - 0x10]
je 0x403303
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 0x403344
test byte [ebp - 0x24], 1
mov dword [0x4262f0], esi
mov eax, dword [esi]
mov dword [0x4262f8], eax
je 0x40331c
inc dword [0x4262fc]
push 8
lea eax, [esi + 0x44]
pop ecx
sub eax, 8
add dword [eax], esi
dec ecx
jne 0x403322
mov eax, dword [0x418874]
push 0x40
mov dword [esi + 0x3c], eax
add esi, 4
push esi
push 0x426300
call fcn.00405c5c
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4