Function at 0x402c31
Capabilities:
Check for time delay via gettickcount
Get file size

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x2c
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, 0x435c00
push 0x400
push esi
mov edi, eax
push dword [0x42f020]
add edi, 0x3e8
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push esi
call fcn.00405633
mov ebx, eax
cmp ebx, 0xffffffff
mov dword [ebp - 0x10], ebx
mov dword [0x40901c], ebx
jne 0x402c91
mov eax, str.Error_launching_installer
jmp 0x402eb0
push esi
call fcn.004054b6
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
test eax, eax
mov dword [0x428c58], eax
mov esi, eax
jle 0x402dd8
mov eax, dword [0x42f02c]
mov ebx, esi
neg eax
sbb eax, eax
and eax, reloc.USER32.dll_SetCursor
add eax, 0x200
cmp esi, eax
jl 0x402cca
mov ebx, eax
push ebx
push 0x420c58
call fcn.004030e3
test eax, eax
je 0x402e43
xor eax, eax
cmp dword [0x42f02c], eax
jne 0x402d66
push 0x1c
lea eax, [ebp - 0x2c]
push 0x420c58
push eax
call fcn.00405613
mov ecx, dword [ebp - 0x2c]
test ecx, 0xfffffff0
jne 0x402da0
cmp dword [ebp - 0x28], 0xdeadbeef
jne 0x402da0
cmp dword [ebp - 0x1c], 0x74736e49
jne 0x402da0
cmp dword [ebp - 0x20], 0x74666f73
jne 0x402da0
cmp dword [ebp - 0x24], 0x6c6c754e
jne 0x402da0
mov eax, dword [ebp - 0x14]
cmp eax, esi
jg 0x402e3c
or dword [ebp + 8], ecx
mov edx, dword [0x414c50]
test byte [ebp + 8], 8
mov dword [0x42f02c], edx
jne 0x402d58
test byte [ebp + 8], 4
jne 0x402dc9
inc dword [ebp - 8]
lea esi, [eax - 4]
cmp ebx, esi
jbe 0x402da0
mov ebx, esi
jmp 0x402da0
test byte [ebp + 8], 2
jne 0x402da0
cmp dword [ebp - 4], eax
je 0x402d79
push eax
call fcn.00405ca6
jmp 0x402da0
call dword [sym.imp.KERNEL32.dll_GetTickCount]
cmp eax, edi
jbe 0x402da0
push str.verifying_installer:__d__
push 0x402ba5
push 0
push 0x6f
push dword [0x42f020]
call dword [sym.imp.USER32.dll_CreateDialogParamA]
mov dword [ebp - 4], eax
cmp esi, dword [0x428c58]
jge 0x402db9
push ebx
push 0x420c58
push dword [ebp - 0xc]
call fcn.00405cd9
mov dword [ebp - 0xc], eax
add dword [0x414c50], ebx
sub esi, ebx
test esi, esi
jg 0x402caf
cmp dword [ebp - 4], 0
je 0x402dd8
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
xor edi, edi
cmp dword [0x42f02c], edi
je 0x402e3c
cmp dword [ebp - 8], edi
je 0x402e09
push dword [0x414c50]
call fcn.00403115
lea eax, [ebp - 8]
push 4
push eax
call fcn.004030e3
test eax, eax
je 0x402e3c
mov eax, dword [ebp - 0xc]
cmp eax, dword [ebp - 8]
jne 0x402e3c
push dword [ebp - 0x18]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov esi, eax
mov eax, dword [0x42f02c]
add eax, 0x1c
push eax
call fcn.00403115
push dword [ebp - 0x18]
push esi
push edi
push 0xffffffffffffffff
call fcn.00402eb7
cmp eax, dword [ebp - 0x18]
je 0x402e54
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 0x402eb0
cmp dword [ebp - 4], 0
je 0x402e3c
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
jmp 0x402e3c
test byte [ebp + 8], 2
mov dword [0x42f028], esi
je 0x402e63
or dword [esi], 8
mov eax, dword [esi]
and eax, 0x18
test byte [ebp - 0x2c], 1
mov dword [0x42f0c0], eax
mov eax, dword [esi]
mov dword [0x42f030], eax
je 0x402e80
inc dword [0x42f034]
push 8
lea eax, [esi + 0x44]
pop ecx
sub eax, 8
add dword [eax], esi
dec ecx
jne 0x402e86
push 1
push edi
push edi
push dword [ebp - 0x10]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov dword [esi + 0x3c], eax
add esi, 4
push 0x40
push esi
push 0x42f040
call fcn.00405613
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4