Function at 0x403086
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, 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.00405c50
mov edi, eax
cmp edi, 0xffffffff
mov dword [ebp - 0xc], edi
mov dword [0x40a670], edi
jne 0x4030e0
mov eax, str.Error_launching_installer
jmp 0x4032b8
push esi
mov esi, 0x42cc00
push esi
call fcn.00405f79
push esi
call fcn.00405ab3
push eax
push 0x42e000
call fcn.00405f79
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, ebx
mov dword [0x420880], eax
mov esi, eax
jle 0x4031fb
mov ebx, 0x418880
mov eax, dword [0x4262f4]
mov edi, esi
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
jl 0x403134
mov edi, eax
push edi
push ebx
call fcn.004034b2
test eax, eax
je 0x403265
cmp dword [0x4262f4], 0
jne 0x4031c6
push 0x1c
lea eax, [ebp - 0x28]
push ebx
push eax
call fcn.00405c11
mov eax, dword [ebp - 0x28]
test eax, 0xfffffff0
jne 0x4031d4
cmp dword [ebp - 0x24], 0xdeadbeef
jne 0x4031d4
cmp dword [ebp - 0x18], 0x74736e49
jne 0x4031d4
cmp dword [ebp - 0x1c], 0x74666f73
jne 0x4031d4
cmp dword [ebp - 0x20], 0x6c6c754e
jne 0x4031d4
or dword [ebp + 8], eax
mov eax, dword [ebp + 8]
mov ecx, dword [0x40c870]
and eax, 2
or dword [0x426380], eax
mov eax, dword [ebp - 0x10]
cmp eax, esi
mov dword [0x4262f4], ecx
jg 0x40325e
test byte [ebp + 8], 8
jne 0x4031b8
test byte [ebp + 8], 4
jne 0x4031f9
inc dword [ebp - 4]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x4031d4
mov edi, esi
jmp 0x4031d4
test byte [ebp + 8], 2
jne 0x4031d4
push 0
call fcn.00403022
pop ecx
cmp esi, dword [0x420880]
jge 0x4031e9
push edi
push ebx
push dword [ebp - 8]
call fcn.004064b4
mov dword [ebp - 8], eax
add dword [0x40c870], edi
sub esi, edi
test esi, esi
jg 0x403119
xor ebx, ebx
push 1
call fcn.00403022
cmp dword [0x4262f4], ebx
pop ecx
je 0x40325e
cmp dword [ebp - 4], ebx
je 0x403232
push dword [0x40c870]
call fcn.004034e4
lea eax, [ebp + 8]
push 4
push eax
call fcn.004034b2
test eax, eax
je 0x40325e
mov eax, dword [ebp - 8]
cmp eax, dword [ebp + 8]
jne 0x40325e
push dword [ebp - 0x14]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov esi, eax
mov eax, dword [0x4262f4]
add eax, 0x1c
push eax
call fcn.004034e4
push dword [ebp - 0x14]
push esi
push ebx
push 0xffffffffffffffff
call fcn.004032bf
cmp eax, dword [ebp - 0x14]
je 0x40326f
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 0x4032b8
push 1
call fcn.00403022
pop ecx
jmp 0x40325e
test byte [ebp - 0x28], 1
mov dword [0x4262f0], esi
mov eax, dword [esi]
mov dword [0x4262f8], eax
je 0x403288
inc dword [0x4262fc]
push 8
lea eax, [esi + 0x44]
pop ecx
sub eax, 8
add dword [eax], esi
dec ecx
jne 0x40328e
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 0x426300
call fcn.00405c11
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4