Function at 0x402c3a
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]
mov esi, 0x7a8c00
push 0x400
mov edi, eax
push esi
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.00405664
mov ebx, eax
cmp ebx, 0xffffffff
mov dword [ebp - 0x10], ebx
mov dword [0x409020], ebx
jne 0x402c95
mov eax, str.Error_launching_installer
jmp 0x402ead
push esi
call fcn.004054c8
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
test eax, eax
mov dword [0x79d910], eax
mov esi, eax
jle 0x402def
mov eax, dword [0x7a2b6c]
mov ebx, esi
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
jl 0x402cce
mov ebx, eax
push ebx
push 0x795910
call fcn.004030c4
test eax, eax
je 0x402e53
xor eax, eax
cmp dword [0x7a2b6c], eax
jne 0x402d7d
push 0x1c
lea eax, [ebp - 0x2c]
push 0x795910
push eax
call fcn.00405625
mov eax, dword [ebp - 0x2c]
test eax, 0xfffffff0
jne 0x402db7
cmp dword [ebp - 0x28], 0xdeadbeef
jne 0x402db7
cmp dword [ebp - 0x1c], 0x74736e49
jne 0x402db7
cmp dword [ebp - 0x20], 0x74666f73
jne 0x402db7
cmp dword [ebp - 0x24], 0x6c6c754e
jne 0x402db7
or dword [ebp + 8], eax
mov eax, dword [ebp + 8]
mov ecx, dword [0x789908]
and eax, 2
or dword [0x7a2c00], eax
mov eax, dword [ebp - 0x14]
cmp eax, esi
mov dword [0x7a2b6c], ecx
jg 0x402e4c
test byte [ebp + 8], 8
jne 0x402d6f
test byte [ebp + 8], 4
jne 0x402de0
inc dword [ebp - 8]
lea esi, [eax - 4]
cmp ebx, esi
jbe 0x402db7
mov ebx, esi
jmp 0x402db7
test byte [ebp + 8], 2
jne 0x402db7
cmp dword [ebp - 4], eax
je 0x402d90
push eax
call fcn.00405cb8
jmp 0x402db7
call dword [sym.imp.KERNEL32.dll_GetTickCount]
cmp eax, edi
jbe 0x402db7
push str.verifying_installer:__d__
push 0x402bae
push 0
push 0x6f
push dword [0x7a2b60]
call dword [sym.imp.USER32.dll_CreateDialogParamA]
mov dword [ebp - 4], eax
cmp esi, dword [0x79d910]
jge 0x402dd0
push ebx
push 0x795910
push dword [ebp - 0xc]
call fcn.00405ceb
mov dword [ebp - 0xc], eax
add dword [0x789908], ebx
sub esi, ebx
test esi, esi
jg 0x402cb3
cmp dword [ebp - 4], 0
je 0x402def
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
xor edi, edi
cmp dword [0x7a2b6c], edi
je 0x402e4c
cmp dword [ebp - 8], edi
je 0x402e20
push dword [0x789908]
call fcn.004030f6
lea eax, [ebp + 8]
push 4
push eax
call fcn.004030c4
test eax, eax
je 0x402e4c
mov eax, dword [ebp - 0xc]
cmp eax, dword [ebp + 8]
jne 0x402e4c
push dword [ebp - 0x18]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov esi, eax
mov eax, dword [0x7a2b6c]
add eax, 0x1c
push eax
call fcn.004030f6
push dword [ebp - 0x18]
push esi
push edi
push 0xffffffffffffffff
call fcn.00402eb4
cmp eax, dword [ebp - 0x18]
je 0x402e64
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 0x402ead
cmp dword [ebp - 4], 0
je 0x402e4c
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
jmp 0x402e4c
test byte [ebp - 0x2c], 1
mov dword [0x7a2b68], esi
mov eax, dword [esi]
mov dword [0x7a2b70], eax
je 0x402e7d
inc dword [0x7a2b74]
push 8
lea eax, [esi + 0x44]
pop ecx
sub eax, 8
add dword [eax], esi
dec ecx
jne 0x402e83
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 0x7a2b80
call fcn.00405625
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4