Function at 0x402be0
Capabilities:
Check for time delay via gettickcount
Get file size

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x130
push ebx
push esi
xor ebx, ebx
push edi
mov dword [ebp - 4], ebx
call dword [sym.imp.KERNEL32.dll_GetTickCount]
mov esi, 0x42bc00
push 0x400
add eax, 0x3e8
push esi
push ebx
mov dword [ebp - 0x10], eax
mov dword [ebp - 8], ebx
mov dword [ebp - 0xc], ebx
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push esi
call fcn.00405745
mov edi, eax
cmp edi, 0xffffffff
mov dword [0x409010], edi
jne 0x402c3b
mov eax, str.Error_launching_installer
jmp 0x402ecd
push esi
mov esi, 0x42ac00
push esi
call fcn.00405a6e
push esi
call fcn.004055a8
push eax
push 0x42c000
call fcn.00405a6e
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, ebx
mov dword [0x41f0f8], eax
mov esi, eax
jle 0x402da8
mov eax, dword [0x423f50]
mov edi, esi
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
jl 0x402c8a
mov edi, eax
push edi
push 0x4170f8
call fcn.004031e0
test eax, eax
je 0x402e3b
cmp dword [0x423f50], ebx
jne 0x402d37
push 0x1c
lea eax, [ebp - 0x2c]
push 0x4170f8
push eax
call fcn.00405706
mov eax, dword [ebp - 0x2c]
test eax, 0xfffffff0
jne 0x402d71
cmp dword [ebp - 0x28], 0xdeadbeef
jne 0x402d71
cmp dword [ebp - 0x1c], 0x74736e49
jne 0x402d71
cmp dword [ebp - 0x20], 0x74666f73
jne 0x402d71
cmp dword [ebp - 0x24], 0x6c6c754e
jne 0x402d71
or dword [ebp + 8], eax
mov eax, dword [ebp + 8]
mov ecx, dword [0x4170e8]
and eax, 2
or dword [0x423fe0], eax
mov eax, dword [ebp - 0x14]
cmp eax, esi
mov dword [0x423f50], ecx
jg 0x402e85
test byte [ebp + 8], 8
jne 0x402d29
test byte [ebp + 8], 4
jne 0x402d9a
inc dword [ebp - 0xc]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x402d71
mov edi, esi
jmp 0x402d71
test byte [ebp + 8], 2
jne 0x402d71
cmp dword [ebp - 4], ebx
je 0x402d4a
push ebx
call fcn.00405dc5
jmp 0x402d71
call dword [sym.imp.KERNEL32.dll_GetTickCount]
cmp eax, dword [ebp - 0x10]
jbe 0x402d71
push str.verifying_installer:__d__
push 0x402b2d
push ebx
push 0x6f
push dword [0x423f40]
call dword [sym.imp.USER32.dll_CreateDialogParamA]
mov dword [ebp - 4], eax
cmp esi, dword [0x41f0f8]
jge 0x402d8a
push edi
push 0x4170f8
push dword [ebp - 8]
call fcn.00405df8
mov dword [ebp - 8], eax
add dword [0x4170e8], edi
sub esi, edi
cmp esi, ebx
jg 0x402c6f
cmp dword [ebp - 4], ebx
je 0x402da8
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
cmp dword [0x423f50], ebx
je 0x402e85
cmp dword [ebp - 0xc], ebx
je 0x402de3
push dword [0x4170e8]
call fcn.00403212
lea eax, [ebp + 8]
push 4
push eax
call fcn.004031e0
test eax, eax
je 0x402e85
mov eax, dword [ebp - 8]
cmp eax, dword [ebp + 8]
jne 0x402e85
push dword [ebp - 0x18]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov ecx, 0x40b020
mov esi, eax
call fcn.00405e66
lea eax, [ebp - 0x130]
push 0x42b400
push eax
call fcn.00405774
push ebx
push 0x4000100
push 2
push ebx
push ebx
lea eax, [ebp - 0x130]
push 0xc0000000
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
cmp eax, 0xffffffff
mov dword [0x409014], eax
jne 0x402e4b
mov eax, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
jmp 0x402ecd
cmp dword [ebp - 4], ebx
je 0x402e85
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
jmp 0x402e85
mov eax, dword [0x423f50]
add eax, 0x1c
push eax
call fcn.00403212
mov ecx, dword [ebp - 0x2c]
push dword [ebp - 0x18]
not ecx
and ecx, 4
mov dword [0x41f0fc], eax
sub eax, ecx
mov ecx, dword [ebp - 0x14]
push esi
push ebx
lea eax, [eax + ecx - 0x1c]
push 0xffffffffffffffff
mov dword [0x4170f0], eax
call fcn.00402ed4
cmp eax, dword [ebp - 0x18]
je 0x402e8c
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 0x402ecd
test byte [ebp - 0x2c], 1
mov dword [0x423f4c], esi
mov eax, dword [esi]
mov dword [0x423f54], eax
je 0x402ea5
inc dword [0x423f58]
push 8
lea eax, [esi + 0x44]
pop ecx
sub eax, 8
add dword [eax], esi
dec ecx
jne 0x402eab
mov eax, dword [0x4170ec]
push 0x40
mov dword [esi + 0x3c], eax
add esi, 4
push esi
push 0x423f60
call fcn.00405706
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4