Function at 0x402f6d
Capabilities:
Check for time delay via gettickcount
Get file size

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x2c
push ebx
push esi
xor ebx, ebx
push edi
mov dword [ebp - 4], ebx
call dword [sym.imp.KERNEL32.dll_GetTickCount]
push 0x400
mov esi, 0x435c00
push esi
mov edi, eax
push ebx
add edi, 0x3e8
mov dword [ebp - 0xc], ebx
mov dword [ebp - 8], ebx
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push esi
call fcn.00405492
mov ebx, eax
cmp ebx, 0xffffffff
mov dword [ebp - 0x10], ebx
mov dword [0x409010], ebx
jne 0x402fc8
mov eax, str.Error_launching_installer
jmp 0x4031e9
push esi
call fcn.00405799
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
test eax, eax
mov dword [0x4288d0], eax
mov esi, eax
jle 0x403122
mov eax, dword [0x42f108]
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
mov ebx, esi
jl 0x403001
mov ebx, eax
push ebx
push 0x416d08
call fcn.00402ce9
test eax, eax
je 0x403188
xor eax, eax
cmp dword [0x42f108], eax
jne 0x4030b0
push 0x1c
push 0x416d08
lea eax, [ebp - 0x2c]
push eax
call fcn.0040544e
mov eax, dword [ebp - 0x2c]
test eax, 0xfffffff0
jne 0x4030ea
cmp dword [ebp - 0x28], 0xdeadbeef
jne 0x4030ea
cmp dword [ebp - 0x1c], 0x74736e49
jne 0x4030ea
cmp dword [ebp - 0x20], 0x74666f73
jne 0x4030ea
cmp dword [ebp - 0x24], 0x6c6c754e
jne 0x4030ea
or dword [ebp + 8], eax
mov eax, dword [ebp + 8]
mov ecx, dword [0x4288c8]
and eax, 2
or dword [0x42f140], eax
mov eax, dword [ebp - 0x14]
cmp eax, esi
mov dword [0x42f108], ecx
jg 0x403197
test byte [ebp + 8], 8
jne 0x4030a2
test byte [ebp + 8], 4
jne 0x403113
inc dword [ebp - 8]
lea esi, [eax - 4]
cmp ebx, esi
jbe 0x4030ea
mov ebx, esi
jmp 0x4030ea
test byte [ebp + 8], 2
jne 0x4030ea
cmp dword [ebp - 4], eax
je 0x4030c3
push eax
call fcn.00405739
jmp 0x4030ea
call dword [sym.imp.KERNEL32.dll_GetTickCount]
cmp eax, edi
jbe 0x4030ea
push str.verifying_installer:__d__
push 0x402c5d
push 0
push 0x6f
push dword [0x42f0a4]
call dword [sym.imp.USER32.dll_CreateDialogParamA]
mov dword [ebp - 4], eax
cmp esi, dword [0x4288d0]
jge 0x403103
push ebx
push 0x416d08
push dword [ebp - 0xc]
call fcn.00405e04
mov dword [ebp - 0xc], eax
add dword [0x4288c8], ebx
sub esi, ebx
test esi, esi
jg 0x402fe6
cmp dword [ebp - 4], 0
je 0x403122
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
xor edi, edi
cmp dword [0x42f108], edi
je 0x403197
cmp dword [ebp - 8], edi
je 0x403153
push dword [0x4288c8]
call fcn.00402d1b
push 4
lea eax, [ebp + 8]
push eax
call fcn.00402ce9
test eax, eax
je 0x403197
mov eax, dword [ebp - 0xc]
cmp eax, dword [ebp + 8]
jne 0x403197
push dword [ebp - 0x18]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov esi, eax
mov eax, dword [0x42f108]
add eax, 0x1c
push eax
call fcn.00402d1b
push dword [ebp - 0x18]
push esi
push edi
push 0xffffffffffffffff
call fcn.00402d32
cmp eax, dword [ebp - 0x18]
je 0x40319e
push esi
call dword [sym.imp.KERNEL32.dll_GlobalFree]
jmp 0x403197
cmp dword [ebp - 4], 0
je 0x403197
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
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 0x4031e9
test byte [ebp - 0x2c], 1
mov dword [0x42f0a8], esi
mov eax, dword [esi]
mov dword [0x42f104], eax
je 0x4031b7
inc dword [0x42f100]
push 8
pop ecx
lea eax, [esi + 0x44]
sub eax, 8
add dword [eax], esi
dec ecx
cmp ecx, edi
jne 0x4031bd
push 1
push edi
push edi
push dword [ebp - 0x10]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov dword [esi + 0x3c], eax
push 0x40
add esi, 4
push esi
push 0x42f0c0
call fcn.0040544e
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4