Function at 0x402c61
Capabilities:
Check for time delay via gettickcount
Get file size

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x12c
push ebx
push esi
push edi
xor edi, edi
mov dword [ebp - 4], edi
call dword [sym.imp.KERNEL32.dll_GetTickCount]
mov esi, 0x42ac00
push 0x400
mov ebx, eax
push esi
push edi
add ebx, 0x3e8
mov dword [ebp - 8], edi
mov dword [ebp - 0xc], edi
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push esi
call fcn.0040580b
mov edi, eax
cmp edi, 0xffffffff
mov dword [0x409020], edi
jne 0x402cbc
mov eax, str.Error_launching_installer
jmp 0x402f40
push esi
call fcn.0040566f
push 0
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
test eax, eax
mov dword [0x41f0f8], eax
mov esi, eax
jle 0x402e16
mov eax, dword [0x42434c]
mov edi, esi
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
jl 0x402cf5
mov edi, eax
push edi
push 0x4170f8
call fcn.00403253
test eax, eax
je 0x402ead
xor eax, eax
cmp dword [0x42434c], eax
jne 0x402da4
push 0x1c
lea eax, [ebp - 0x28]
push 0x4170f8
push eax
call fcn.004057cc
mov eax, dword [ebp - 0x28]
test eax, 0xfffffff0
jne 0x402dde
cmp dword [ebp - 0x24], 0xdeadbeef
jne 0x402dde
cmp dword [ebp - 0x18], 0x74736e49
jne 0x402dde
cmp dword [ebp - 0x1c], 0x74666f73
jne 0x402dde
cmp dword [ebp - 0x20], 0x6c6c754e
jne 0x402dde
or dword [ebp + 8], eax
mov eax, dword [ebp + 8]
mov ecx, dword [0x4170e8]
and eax, 2
or dword [0x4243e0], eax
mov eax, dword [ebp - 0x10]
cmp eax, esi
mov dword [0x42434c], ecx
jg 0x402ef8
test byte [ebp + 8], 8
jne 0x402d96
test byte [ebp + 8], 4
jne 0x402e07
inc dword [ebp - 0xc]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x402dde
mov edi, esi
jmp 0x402dde
test byte [ebp + 8], 2
jne 0x402dde
cmp dword [ebp - 4], eax
je 0x402db7
push eax
call fcn.00405e5f
jmp 0x402dde
call dword [sym.imp.KERNEL32.dll_GetTickCount]
cmp eax, ebx
jbe 0x402dde
push str.verifying_installer:__d__
push 0x402bae
push 0
push 0x6f
push dword [0x424340]
call dword [sym.imp.USER32.dll_CreateDialogParamA]
mov dword [ebp - 4], eax
cmp esi, dword [0x41f0f8]
jge 0x402df7
push edi
push 0x4170f8
push dword [ebp - 8]
call fcn.00405e92
mov dword [ebp - 8], eax
add dword [0x4170e8], edi
sub esi, edi
test esi, esi
jg 0x402cda
cmp dword [ebp - 4], 0
je 0x402e16
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
cmp dword [0x42434c], 0
je 0x402ef8
cmp dword [ebp - 0xc], 0
je 0x402e53
push dword [0x4170e8]
call fcn.00403285
lea eax, [ebp + 8]
push 4
push eax
call fcn.00403253
test eax, eax
je 0x402ef8
mov eax, dword [ebp - 8]
cmp eax, dword [ebp + 8]
jne 0x402ef8
push dword [ebp - 0x14]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov ecx, 0x40b020
mov esi, eax
call fcn.00405f00
lea eax, [ebp - 0x12c]
push 0x42b400
push eax
call fcn.0040583a
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 [0x409024], eax
jne 0x402ebe
mov eax, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
jmp 0x402f40
cmp dword [ebp - 4], 0
je 0x402ef8
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
jmp 0x402ef8
mov eax, dword [0x42434c]
add eax, 0x1c
push eax
call fcn.00403285
mov ecx, dword [ebp - 0x28]
push dword [ebp - 0x14]
not ecx
and ecx, 4
mov dword [0x41f0fc], eax
sub eax, ecx
mov ecx, dword [ebp - 0x10]
push esi
push edi
lea eax, [eax + ecx - 0x1c]
push 0xffffffffffffffff
mov dword [0x4170f0], eax
call fcn.00402f47
cmp eax, dword [ebp - 0x14]
je 0x402eff
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 0x402f40
test byte [ebp - 0x28], 1
mov dword [0x424348], esi
mov eax, dword [esi]
mov dword [0x424350], eax
je 0x402f18
inc dword [0x424354]
push 8
lea eax, [esi + 0x44]
pop ecx
sub eax, 8
add dword [eax], esi
dec ecx
jne 0x402f1e
mov eax, dword [0x4170ec]
push 0x40
mov dword [esi + 0x3c], eax
add esi, 4
push esi
push 0x424360
call fcn.004057cc
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4