Function at 0x402be8
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, 0x42ac00
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.0040574d
mov edi, eax
cmp edi, 0xffffffff
mov dword [0x409014], edi
jne 0x402c43
mov eax, str.Error_launching_installer
jmp 0x402ed5
push esi
mov esi, 0x429c00
push esi
call fcn.00405a76
push esi
call fcn.004055b0
push eax
push 0x42b000
call fcn.00405a76
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, ebx
mov dword [0x41f0f8], eax
mov esi, eax
jle 0x402db0
mov eax, dword [0x423f50]
mov edi, esi
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
jl 0x402c92
mov edi, eax
push edi
push 0x4170f8
call fcn.004031e8
test eax, eax
je 0x402e43
cmp dword [0x423f50], ebx
jne 0x402d3f
push 0x1c
lea eax, [ebp - 0x2c]
push 0x4170f8
push eax
call fcn.0040570e
mov eax, dword [ebp - 0x2c]
test eax, 0xfffffff0
jne 0x402d79
cmp dword [ebp - 0x28], 0xdeadbeef
jne 0x402d79
cmp dword [ebp - 0x1c], 0x74736e49
jne 0x402d79
cmp dword [ebp - 0x20], 0x74666f73
jne 0x402d79
cmp dword [ebp - 0x24], 0x6c6c754e
jne 0x402d79
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 0x402e8d
test byte [ebp + 8], 8
jne 0x402d31
test byte [ebp + 8], 4
jne 0x402da2
inc dword [ebp - 0xc]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x402d79
mov edi, esi
jmp 0x402d79
test byte [ebp + 8], 2
jne 0x402d79
cmp dword [ebp - 4], ebx
je 0x402d52
push ebx
call fcn.00405da8
jmp 0x402d79
call dword [sym.imp.KERNEL32.dll_GetTickCount]
cmp eax, dword [ebp - 0x10]
jbe 0x402d79
push str.verifying_installer:__d__
push 0x402b35
push ebx
push 0x6f
push dword [0x423f40]
call dword [sym.imp.USER32.dll_CreateDialogParamA]
mov dword [ebp - 4], eax
cmp esi, dword [0x41f0f8]
jge 0x402d92
push edi
push 0x4170f8
push dword [ebp - 8]
call fcn.00405ddb
mov dword [ebp - 8], eax
add dword [0x4170e8], edi
sub esi, edi
cmp esi, ebx
jg 0x402c77
cmp dword [ebp - 4], ebx
je 0x402db0
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
cmp dword [0x423f50], ebx
je 0x402e8d
cmp dword [ebp - 0xc], ebx
je 0x402deb
push dword [0x4170e8]
call fcn.0040321a
lea eax, [ebp + 8]
push 4
push eax
call fcn.004031e8
test eax, eax
je 0x402e8d
mov eax, dword [ebp - 8]
cmp eax, dword [ebp + 8]
jne 0x402e8d
push dword [ebp - 0x18]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov ecx, 0x40b020
mov esi, eax
call fcn.00405e49
lea eax, [ebp - 0x130]
push 0x42a400
push eax
call fcn.0040577c
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 [0x409018], eax
jne 0x402e53
mov eax, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
jmp 0x402ed5
cmp dword [ebp - 4], ebx
je 0x402e8d
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
jmp 0x402e8d
mov eax, dword [0x423f50]
add eax, 0x1c
push eax
call fcn.0040321a
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.00402edc
cmp eax, dword [ebp - 0x18]
je 0x402e94
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 0x402ed5
test byte [ebp - 0x2c], 1
mov dword [0x423f4c], esi
mov eax, dword [esi]
mov dword [0x423f54], eax
je 0x402ead
inc dword [0x423f58]
push 8
lea eax, [esi + 0x44]
pop ecx
sub eax, 8
add dword [eax], esi
dec ecx
jne 0x402eb3
mov eax, dword [0x4170ec]
push 0x40
mov dword [esi + 0x3c], eax
add esi, 4
push esi
push 0x423f60
call fcn.0040570e
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4