Function at 0x402c5e
Capabilities:
Check for time delay via gettickcount
Get file size

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x12c
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, 0x7a8c00
push 0x400
push esi
mov ebx, eax
push dword [0x7a2ba0]
add ebx, 0x3e8
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push esi
call fcn.0040582b
mov edi, eax
cmp edi, 0xffffffff
mov dword [0x409020], edi
jne 0x402cbe
mov eax, str.Error_launching_installer
jmp 0x402f4c
push esi
call fcn.004056ae
push 0
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
test eax, eax
mov dword [0x79d958], eax
mov esi, eax
jle 0x402e05
mov eax, dword [0x7a2bac]
mov edi, esi
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
jl 0x402cf7
mov edi, eax
push edi
push 0x795958
call fcn.0040325f
test eax, eax
je 0x402e9f
xor eax, eax
cmp dword [0x7a2bac], eax
jne 0x402d93
push 0x1c
lea eax, [ebp - 0x28]
push 0x795958
push eax
call fcn.0040580b
mov ecx, dword [ebp - 0x28]
test ecx, 0xfffffff0
jne 0x402dcd
cmp dword [ebp - 0x24], 0xdeadbeef
jne 0x402dcd
cmp dword [ebp - 0x18], 0x74736e49
jne 0x402dcd
cmp dword [ebp - 0x1c], 0x74666f73
jne 0x402dcd
cmp dword [ebp - 0x20], 0x6c6c754e
jne 0x402dcd
mov eax, dword [ebp - 0x10]
cmp eax, esi
jg 0x402ef1
or dword [ebp + 8], ecx
mov edx, dword [0x795948]
test byte [ebp + 8], 8
mov dword [0x7a2bac], edx
jne 0x402d85
test byte [ebp + 8], 4
jne 0x402df6
inc dword [ebp - 8]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x402dcd
mov edi, esi
jmp 0x402dcd
test byte [ebp + 8], 2
jne 0x402dcd
cmp dword [ebp - 4], eax
je 0x402da6
push eax
call fcn.00405e97
jmp 0x402dcd
call dword [sym.imp.KERNEL32.dll_GetTickCount]
cmp eax, ebx
jbe 0x402dcd
push str.verifying_installer:__d__
push 0x402bab
push 0
push 0x6f
push dword [0x7a2ba0]
call dword [sym.imp.USER32.dll_CreateDialogParamA]
mov dword [ebp - 4], eax
cmp esi, dword [0x79d958]
jge 0x402de6
push edi
push 0x795958
push dword [ebp - 0xc]
call fcn.00405eca
mov dword [ebp - 0xc], eax
add dword [0x795948], edi
sub esi, edi
test esi, esi
jg 0x402cdc
cmp dword [ebp - 4], 0
je 0x402e05
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
cmp dword [0x7a2bac], 0
je 0x402ef1
cmp dword [ebp - 8], 0
je 0x402e42
push dword [0x795948]
call fcn.00403291
lea eax, [ebp - 8]
push 4
push eax
call fcn.0040325f
test eax, eax
je 0x402ef1
mov eax, dword [ebp - 0xc]
cmp eax, dword [ebp - 8]
jne 0x402ef1
push dword [ebp - 0x14]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov esi, eax
lea eax, [ebp - 0x12c]
xor edi, edi
push 0x7a9400
push eax
mov byte [0x40b050], 0xb
mov dword [0x40b068], edi
call fcn.0040585a
push edi
push 0x4000100
push 2
push edi
push edi
lea eax, [ebp - 0x12c]
push 0xc0000000
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
cmp eax, 0xffffffff
mov dword [0x409024], eax
jne 0x402eb0
mov eax, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
jmp 0x402f4c
cmp dword [ebp - 4], 0
je 0x402ef1
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
jmp 0x402ef1
mov eax, dword [0x7a2bac]
add eax, 0x1c
push eax
call fcn.00403291
mov ecx, dword [ebp - 0x28]
push dword [ebp - 0x14]
not ecx
and ecx, 4
mov dword [0x79d95c], eax
sub eax, ecx
mov ecx, dword [ebp - 0x10]
push esi
push edi
lea eax, [eax + ecx - 0x1c]
push 0xffffffffffffffff
mov dword [0x795950], eax
call fcn.00402f53
cmp eax, dword [ebp - 0x14]
je 0x402ef8
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 0x402f4c
test byte [ebp + 8], 2
mov dword [0x7a2ba8], esi
je 0x402f07
or dword [esi], 8
mov eax, dword [esi]
and eax, 0x18
test byte [ebp - 0x28], 1
mov dword [0x7a2c40], eax
mov eax, dword [esi]
mov dword [0x7a2bb0], eax
je 0x402f24
inc dword [0x7a2bb4]
push 8
lea eax, [esi + 0x44]
pop ecx
sub eax, 8
add dword [eax], esi
dec ecx
jne 0x402f2a
mov eax, dword [0x79594c]
push 0x40
mov dword [esi + 0x3c], eax
add esi, 4
push esi
push 0x7a2bc0
call fcn.0040580b
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4