Function at 0x403035
Capabilities:
Check for time delay via gettickcount
Get file size

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x2c
push ebx
push esi
xor esi, esi
push edi
mov dword [ebp - 4], esi
call dword [sym.imp.KERNEL32.dll_GetTickCount]
mov dword [ebp - 0xc], esi
mov dword [ebp - 8], esi
mov esi, 0x479000
push 0x2000
push esi
mov edi, eax
push dword [0x44aa20]
add edi, 0x3e8
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push esi
call fcn.00405be5
mov ebx, eax
cmp ebx, 0xffffffff
mov dword [ebp - 0x10], ebx
mov dword [0x409590], ebx
jne 0x403095
mov eax, str.Error_launching_installer
jmp 0x4032b7
push esi
call fcn.00405a5f
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
test eax, eax
mov dword [0x4283ac], eax
mov esi, eax
jle 0x4031dc
mov eax, dword [0x44aa2c]
mov ebx, esi
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
jl 0x4030ce
mov ebx, eax
push ebx
push 0x4203ac
call fcn.004034ba
test eax, eax
je 0x403247
xor eax, eax
cmp dword [0x44aa2c], eax
jne 0x40316a
push 0x1c
lea eax, [ebp - 0x2c]
push 0x4203ac
push eax
call fcn.00405bbf
mov ecx, dword [ebp - 0x2c]
test ecx, 0xfffffff0
jne 0x4031a4
cmp dword [ebp - 0x28], 0xdeadbeef
jne 0x4031a4
cmp dword [ebp - 0x1c], 0x74736e49
jne 0x4031a4
cmp dword [ebp - 0x20], 0x74666f73
jne 0x4031a4
cmp dword [ebp - 0x24], 0x6c6c754e
jne 0x4031a4
mov eax, dword [ebp - 0x14]
cmp eax, esi
jg 0x403240
or dword [ebp + 8], ecx
mov edx, dword [0x4143a8]
test byte [ebp + 8], 8
mov dword [0x44aa2c], edx
jne 0x40315c
test byte [ebp + 8], 4
jne 0x4031cd
inc dword [ebp - 8]
lea esi, [eax - 4]
cmp ebx, esi
jbe 0x4031a4
mov ebx, esi
jmp 0x4031a4
test byte [ebp + 8], 2
jne 0x4031a4
cmp dword [ebp - 4], eax
je 0x40317d
push eax
call fcn.00406349
jmp 0x4031a4
call dword [sym.imp.KERNEL32.dll_GetTickCount]
cmp eax, edi
jbe 0x4031a4
push str.verifying_installer:__d__
push 0x402fa9
push 0
push 0x6f
push dword [0x44aa20]
call dword [sym.imp.USER32.dll_CreateDialogParamA]
mov dword [ebp - 4], eax
cmp esi, dword [0x4283ac]
jge 0x4031bd
push ebx
push 0x4203ac
push dword [ebp - 0xc]
call fcn.00406386
mov dword [ebp - 0xc], eax
add dword [0x4143a8], ebx
sub esi, ebx
test esi, esi
jg 0x4030b3
cmp dword [ebp - 4], 0
je 0x4031dc
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
xor ebx, ebx
cmp dword [0x44aa2c], ebx
je 0x403240
cmp dword [ebp - 8], ebx
je 0x40320d
push dword [0x4143a8]
call fcn.004034ec
lea eax, [ebp - 8]
push 4
push eax
call fcn.004034ba
test eax, eax
je 0x403240
mov eax, dword [ebp - 0xc]
cmp eax, dword [ebp - 8]
jne 0x403240
push dword [ebp - 0x18]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov esi, eax
mov eax, dword [0x44aa2c]
add eax, 0x1c
push eax
call fcn.004034ec
push dword [ebp - 0x18]
push esi
push ebx
push 0xffffffffffffffff
call fcn.004032be
cmp eax, dword [ebp - 0x18]
je 0x403258
push esi
call dword [sym.imp.KERNEL32.dll_GlobalFree]
mov eax, str.The_installer_you_are_trying_to_use_is_corrupted_or_incomplete._nThis_could_be_the_result_of_a_damaged_disk__a_failed_download_or_a_virus._n_nYou_may_want_to_contact_the_author_of_this_installer_to_obtain_a_new_copy._n_nIt_may_be_possible_to_skip_this_check_using_the__NCRC_command_line_switch_n_NOT_RECOMMENDED_.
jmp 0x4032b7
cmp dword [ebp - 4], 0
je 0x403240
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
jmp 0x403240
test byte [ebp + 8], 2
mov dword [0x44aa28], esi
je 0x403267
or dword [esi], 8
mov eax, dword [esi]
and eax, 0x18
test byte [ebp - 0x2c], 1
mov dword [0x44aac0], eax
mov eax, dword [esi]
mov dword [0x44aa30], eax
je 0x403284
inc dword [0x44aa34]
lea edi, [esi + 0x3c]
push 8
mov eax, edi
pop ecx
add dword [eax], esi
dec ecx
sub eax, 8
cmp ecx, ebx
ja 0x40328c
push 1
push ebx
push ebx
push dword [ebp - 0x10]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
add esi, 4
push 0x40
push esi
push 0x44aa40
mov dword [edi], eax
call fcn.00405bbf
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4