Function at 0x40308e
Capabilities:
Check for time delay via gettickcount
Get file size

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14c
push ebx
push esi
xor ebx, ebx
push edi
mov dword [ebp - 4], ebx
call dword [sym.imp.KERNEL32.dll_GetTickCount]
mov esi, 0x485000
push 0x2000
push esi
add eax, 0x3e8
push dword [0x456740]
mov dword [ebp - 8], eax
mov dword [ebp - 0xc], ebx
mov dword [ebp - 0x10], ebx
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push esi
call fcn.00405e12
mov edi, eax
cmp edi, 0xffffffff
mov dword [0x40a590], edi
jne 0x4030ee
mov eax, str.Error_launching_installer
jmp 0x4033b8
push esi
call fcn.00405c92
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, ebx
mov dword [0x432f34], eax
mov esi, eax
jle 0x403258
mov eax, dword [0x45674c]
mov edi, esi
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
jl 0x403126
mov edi, eax
push edi
push 0x42af34
call fcn.004036f9
test eax, eax
je 0x40330c
cmp dword [0x45674c], ebx
jne 0x4031d0
push 0x1c
lea eax, [ebp - 0x2c]
push 0x42af34
push eax
call fcn.00405dec
mov ecx, dword [ebp - 0x2c]
test ecx, 0xfffffff0
jne 0x403221
cmp dword [ebp - 0x28], 0xdeadbeef
jne 0x403221
cmp dword [ebp - 0x1c], 0x74736e49
jne 0x403221
cmp dword [ebp - 0x20], 0x74666f73
jne 0x403221
cmp dword [ebp - 0x24], 0x6c6c754e
jne 0x403221
mov eax, dword [ebp - 0x14]
cmp eax, esi
jg 0x40335d
or dword [ebp + 8], ecx
mov edx, dword [0x42af28]
test byte [ebp + 8], 8
mov dword [0x45674c], edx
jne 0x4031c2
test byte [ebp + 8], 4
jne 0x40324a
inc dword [ebp - 0x10]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x403221
mov edi, esi
jmp 0x403221
test byte [ebp + 8], 2
jne 0x403221
cmp dword [ebp - 4], ebx
je 0x4031fa
push 1
push ebx
push ebx
lea eax, [ebp - 0x48]
push ebx
push eax
call dword [sym.imp.USER32.dll_PeekMessageA]
test eax, eax
je 0x403221
lea eax, [ebp - 0x48]
push eax
call dword [sym.imp.USER32.dll_DispatchMessageA]
jmp 0x4031db
call dword [sym.imp.KERNEL32.dll_GetTickCount]
cmp eax, dword [ebp - 8]
jbe 0x403221
push str.verifying_installer:__d__
push 0x402fdb
push ebx
push 0x6f
push dword [0x456740]
call dword [sym.imp.USER32.dll_CreateDialogParamA]
mov dword [ebp - 4], eax
cmp esi, dword [0x432f34]
jge 0x40323a
push edi
push 0x42af34
push dword [ebp - 0xc]
call fcn.0040654c
mov dword [ebp - 0xc], eax
add dword [0x42af28], edi
sub esi, edi
cmp esi, ebx
jg 0x40310b
cmp dword [ebp - 4], ebx
je 0x403258
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
cmp dword [0x45674c], ebx
je 0x40335d
cmp dword [ebp - 0x10], ebx
je 0x403293
push dword [0x42af28]
call fcn.0040372b
lea eax, [ebp - 8]
push 4
push eax
call fcn.004036f9
test eax, eax
je 0x40335d
mov eax, dword [ebp - 0xc]
cmp eax, dword [ebp - 8]
jne 0x40335d
push dword [ebp - 0x18]
call fcn.00405a38
mov esi, eax
push 8
mov eax, 0x416ed8
pop edi
mov dword [0x41eee0], eax
mov dword [0x41eedc], eax
lea eax, [ebp - 0x14c]
push 0x489000
push eax
mov dword [0x415338], edi
mov dword [0x415854], ebx
mov dword [0x415850], ebx
mov dword [0x41eed8], 0x41eed8
call fcn.00405e41
push ebx
push 0x4000100
push 2
push ebx
push ebx
lea eax, [ebp - 0x14c]
push 0xc0000000
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
cmp eax, 0xffffffff
mov dword [0x40a594], eax
jne 0x40331c
mov eax, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
jmp 0x4033b8
cmp dword [ebp - 4], ebx
je 0x40335d
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
jmp 0x40335d
mov eax, dword [0x45674c]
add eax, 0x1c
push eax
call fcn.0040372b
mov ecx, dword [ebp - 0x2c]
push dword [ebp - 0x18]
not ecx
and ecx, 4
mov dword [0x432f38], eax
sub eax, ecx
mov ecx, dword [ebp - 0x14]
push esi
push ebx
lea eax, [eax + ecx - 0x1c]
push 0xffffffffffffffff
mov dword [0x42af30], eax
call fcn.004033bf
cmp eax, dword [ebp - 0x18]
je 0x403364
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 0x4033b8
test byte [ebp + 8], 2
mov dword [0x456748], esi
je 0x403372
or dword [esi], edi
mov eax, dword [esi]
and eax, 0x18
test byte [ebp - 0x2c], 1
mov dword [0x4567e0], eax
mov eax, dword [esi]
mov dword [0x456750], eax
je 0x40338f
inc dword [0x456754]
lea ecx, [esi + 0x3c]
mov edx, edi
mov eax, ecx
add dword [eax], esi
dec edx
sub eax, edi
cmp edx, ebx
ja 0x403396
mov eax, dword [0x42af2c]
add esi, 4
push 0x40
push esi
push 0x456760
mov dword [ecx], eax
call fcn.00405dec
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4