Function at 0x40305c
Capabilities:
Check for time delay via gettickcount
Get file size

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x12c
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, 0x47a000
push 0x2000
push esi
mov ebx, eax
push dword [0x44ba40]
add ebx, 0x3e8
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push esi
call fcn.00405d9e
mov edi, eax
cmp edi, 0xffffffff
mov dword [0x40a590], edi
jne 0x4030bc
mov eax, str.Error_launching_installer
jmp 0x40334a
push esi
call fcn.00405c19
push 0
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
test eax, eax
mov dword [0x4293d4], eax
mov esi, eax
jle 0x403203
mov eax, dword [0x44ba4c]
mov edi, esi
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
jl 0x4030f5
mov edi, eax
push edi
push 0x4213d4
call fcn.0040365c
test eax, eax
je 0x40329a
xor eax, eax
cmp dword [0x44ba4c], eax
jne 0x403191
push 0x1c
lea eax, [ebp - 0x28]
push 0x4213d4
push eax
call fcn.00405d78
mov ecx, dword [ebp - 0x28]
test ecx, 0xfffffff0
jne 0x4031cb
cmp dword [ebp - 0x24], 0xdeadbeef
jne 0x4031cb
cmp dword [ebp - 0x18], 0x74736e49
jne 0x4031cb
cmp dword [ebp - 0x1c], 0x74666f73
jne 0x4031cb
cmp dword [ebp - 0x20], 0x6c6c754e
jne 0x4031cb
mov eax, dword [ebp - 0x10]
cmp eax, esi
jg 0x4032ec
or dword [ebp + 8], ecx
mov edx, dword [0x4213c8]
test byte [ebp + 8], 8
mov dword [0x44ba4c], edx
jne 0x403183
test byte [ebp + 8], 4
jne 0x4031f4
inc dword [ebp - 8]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x4031cb
mov edi, esi
jmp 0x4031cb
test byte [ebp + 8], 2
jne 0x4031cb
cmp dword [ebp - 4], eax
je 0x4031a4
push eax
call fcn.004064f7
jmp 0x4031cb
call dword [sym.imp.KERNEL32.dll_GetTickCount]
cmp eax, ebx
jbe 0x4031cb
push str.verifying_installer:__d__
push 0x402fa9
push 0
push 0x6f
push dword [0x44ba40]
call dword [sym.imp.USER32.dll_CreateDialogParamA]
mov dword [ebp - 4], eax
cmp esi, dword [0x4293d4]
jge 0x4031e4
push edi
push 0x4213d4
push dword [ebp - 0xc]
call fcn.00406534
mov dword [ebp - 0xc], eax
add dword [0x4213c8], edi
sub esi, edi
test esi, esi
jg 0x4030da
cmp dword [ebp - 4], 0
je 0x403203
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
cmp dword [0x44ba4c], 0
je 0x4032ec
cmp dword [ebp - 8], 0
je 0x403240
push dword [0x4213c8]
call fcn.0040368e
lea eax, [ebp - 8]
push 4
push eax
call fcn.0040365c
test eax, eax
je 0x4032ec
mov eax, dword [ebp - 0xc]
cmp eax, dword [ebp - 8]
jne 0x4032ec
push dword [ebp - 0x14]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov ecx, 0x415300
mov esi, eax
call fcn.004065aa
lea eax, [ebp - 0x12c]
push 0x47e000
push eax
call fcn.00405dcd
xor edi, edi
lea eax, [ebp - 0x12c]
push edi
push 0x4000100
push 2
push edi
push edi
push 0xc0000000
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
cmp eax, 0xffffffff
mov dword [0x40a594], eax
jne 0x4032ab
mov eax, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
jmp 0x40334a
cmp dword [ebp - 4], 0
je 0x4032ec
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
jmp 0x4032ec
mov eax, dword [0x44ba4c]
add eax, 0x1c
push eax
call fcn.0040368e
mov ecx, dword [ebp - 0x28]
push dword [ebp - 0x14]
not ecx
and ecx, 4
mov dword [0x4293d8], eax
sub eax, ecx
mov ecx, dword [ebp - 0x10]
push esi
push edi
lea eax, [eax + ecx - 0x1c]
push 0xffffffffffffffff
mov dword [0x4213d0], eax
call fcn.00403351
cmp eax, dword [ebp - 0x14]
je 0x4032f3
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 0x40334a
test byte [ebp + 8], 2
mov dword [0x44ba48], esi
je 0x403302
or dword [esi], 8
mov eax, dword [esi]
and eax, 0x18
test byte [ebp - 0x28], 1
mov dword [0x44bae0], eax
mov eax, dword [esi]
mov dword [0x44ba50], eax
je 0x40331f
inc dword [0x44ba54]
lea ecx, [esi + 0x3c]
push 8
mov eax, ecx
pop edx
add dword [eax], esi
dec edx
sub eax, 8
cmp edx, edi
ja 0x403327
mov eax, dword [0x4213cc]
add esi, 4
push 0x40
push esi
push 0x44ba60
mov dword [ecx], eax
call fcn.00405d78
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4