Function at 0x403113
Capabilities:
Check for time delay via gettickcount
Get file size

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x2c
push ebx
push esi
xor ebx, ebx
push edi
mov dword [ebp - 4], ebx
call dword [sym.imp.KERNEL32.dll_GetTickCount]
push 0x400
mov esi, 0x434c00
push esi
mov edi, eax
push ebx
add edi, 0x3e8
mov dword [ebp - 0xc], ebx
mov dword [ebp - 8], ebx
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push esi
call fcn.00405602
mov ebx, eax
cmp ebx, 0xffffffff
mov dword [ebp - 0x10], ebx
mov dword [0x409010], ebx
jne 0x40316e
mov eax, str.Error_launching_installer
jmp 0x40337c
push esi
call fcn.00405909
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
test eax, eax
mov dword [0x4288d0], eax
mov esi, eax
jle 0x4032c8
mov eax, dword [0x42ed08]
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
mov ebx, esi
jl 0x4031a7
mov ebx, eax
push ebx
push 0x416d08
call fcn.00402e8f
test eax, eax
je 0x403383
xor eax, eax
cmp dword [0x42ed08], eax
jne 0x403256
push 0x1c
push 0x416d08
lea eax, [ebp - 0x2c]
push eax
call fcn.004055be
mov eax, dword [ebp - 0x2c]
test eax, 0xfffffff0
jne 0x403290
cmp dword [ebp - 0x28], 0xdeadbeef
jne 0x403290
cmp dword [ebp - 0x1c], 0x74736e49
jne 0x403290
cmp dword [ebp - 0x20], 0x74666f73
jne 0x403290
cmp dword [ebp - 0x24], 0x6c6c754e
jne 0x403290
or dword [ebp + 8], eax
mov eax, dword [ebp + 8]
mov ecx, dword [0x4288c8]
and eax, 2
or dword [0x42ed40], eax
mov eax, dword [ebp - 0x14]
cmp eax, esi
mov dword [0x42ed08], ecx
jg 0x403392
test byte [ebp + 8], 8
jne 0x403248
test byte [ebp + 8], 4
jne 0x4032b9
inc dword [ebp - 8]
lea esi, [eax - 4]
cmp ebx, esi
jbe 0x403290
mov ebx, esi
jmp 0x403290
test byte [ebp + 8], 2
jne 0x403290
cmp dword [ebp - 4], eax
je 0x403269
push eax
call fcn.004058a9
jmp 0x403290
call dword [sym.imp.KERNEL32.dll_GetTickCount]
cmp eax, edi
jbe 0x403290
push str.verifying_installer:__d__
push 0x402e03
push 0
push 0x6f
push dword [0x42eca4]
call dword [sym.imp.USER32.dll_CreateDialogParamA]
mov dword [ebp - 4], eax
cmp esi, dword [0x4288d0]
jge 0x4032a9
push ebx
push 0x416d08
push dword [ebp - 0xc]
call fcn.00405f79
mov dword [ebp - 0xc], eax
add dword [0x4288c8], ebx
sub esi, ebx
test esi, esi
jg 0x40318c
cmp dword [ebp - 4], 0
je 0x4032c8
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
xor edi, edi
cmp dword [0x42ed08], edi
je 0x403392
cmp dword [ebp - 8], edi
je 0x403305
push dword [0x4288c8]
call fcn.00402ec1
push 4
lea eax, [ebp + 8]
push eax
call fcn.00402e8f
test eax, eax
je 0x403392
mov eax, dword [ebp - 0xc]
cmp eax, dword [ebp + 8]
jne 0x403392
push dword [ebp - 0x18]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov esi, eax
mov eax, dword [0x42ed08]
add eax, 0x1c
push eax
call fcn.00402ec1
push dword [ebp - 0x18]
push esi
push edi
push 0xffffffffffffffff
call fcn.00402ed8
cmp eax, dword [ebp - 0x18]
jne 0x403392
test byte [ebp - 0x2c], 1
mov dword [0x42eca8], esi
mov eax, dword [esi]
mov dword [0x42ed04], eax
je 0x40334a
inc dword [0x42ed00]
push 8
pop ecx
lea eax, [esi + 0x44]
sub eax, 8
add dword [eax], esi
dec ecx
cmp ecx, edi
jne 0x403350
push 1
push edi
push edi
push dword [ebp - 0x10]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov dword [esi + 0x3c], eax
push 0x40
add esi, 4
push esi
push 0x42ecc0
call fcn.004055be
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4
cmp dword [ebp - 4], 0
je 0x403392
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
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 0x40337c