Function at 0x403c48
Capabilities:
Check for time delay via gettickcount
Get file size

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14c
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, 0x42ac00
push esi
push dword [0x423fc4]
add eax, 0x3e8
mov dword [ebp - 8], eax
mov dword [ebp - 0xc], ebx
mov dword [ebp - 0x10], ebx
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push esi
call fcn.00406173
mov edi, eax
cmp edi, 0xffffffff
mov dword [0x40900c], edi
jne 0x403ca8
mov eax, str.Error_launching_installer
jmp 0x403f41
push esi
call fcn.00406411
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, ebx
mov dword [0x41b180], eax
mov esi, eax
jle 0x403de3
mov eax, dword [0x424028]
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
mov edi, esi
jl 0x403ce0
mov edi, eax
push edi
push 0x40b0f0
call fcn.004038ca
test eax, eax
je 0x403e95
cmp dword [0x424028], ebx
jne 0x403d76
push 0x1c
push 0x40b0f0
lea eax, [ebp - 0x2c]
push eax
call fcn.00406153
mov ecx, dword [ebp - 0x2c]
test ecx, 0xfffffff0
jne 0x403dac
cmp dword [ebp - 0x28], 0xdeadbeef
jne 0x403dac
cmp dword [ebp - 0x1c], 0x74736e49
jne 0x403dac
cmp dword [ebp - 0x20], 0x74666f73
jne 0x403dac
cmp dword [ebp - 0x24], 0x6c6c754e
jne 0x403dac
mov eax, dword [ebp - 0x14]
cmp eax, esi
jg 0x403ee6
or dword [ebp + 8], ecx
test byte [ebp + 8], 8
mov edx, dword [0x41b178]
mov dword [0x424028], edx
jne 0x403d68
test byte [ebp + 8], 4
jne 0x403dd5
inc dword [ebp - 0x10]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x403dac
mov edi, esi
jmp 0x403dac
test byte [ebp + 8], 2
jne 0x403dac
cmp dword [ebp - 4], ebx
jne 0x403e7d
call dword [sym.imp.KERNEL32.dll_GetTickCount]
cmp eax, dword [ebp - 8]
jbe 0x403dac
push str.verifying_installer:__d__
push 0x403817
push ebx
push 0x6f
push dword [0x423fc4]
call dword [sym.imp.USER32.dll_CreateDialogParamA]
mov dword [ebp - 4], eax
cmp esi, dword [0x41b180]
jge 0x403dc5
push edi
push 0x40b0f0
push dword [ebp - 0xc]
call fcn.00401e19
mov dword [ebp - 0xc], eax
add dword [0x41b178], edi
sub esi, edi
cmp esi, ebx
jg 0x403cc5
cmp dword [ebp - 4], ebx
je 0x403de3
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
cmp dword [0x424028], ebx
je 0x403ee6
cmp dword [ebp - 0x10], ebx
je 0x403e1e
push dword [0x41b178]
call fcn.004038fc
push 4
lea eax, [ebp - 8]
push eax
call fcn.004038ca
test eax, eax
je 0x403ee6
mov eax, dword [ebp - 0xc]
cmp eax, dword [ebp - 8]
jne 0x403ee6
push dword [ebp - 0x18]
call fcn.004060b4
mov ecx, 0x4130f0
mov esi, eax
call fcn.00401000
push 0x42b400
lea eax, [ebp - 0x14c]
push eax
call fcn.004061a2
push ebx
push 0x4000100
push 2
push ebx
push ebx
push 0xc0000000
lea eax, [ebp - 0x14c]
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
cmp eax, 0xffffffff
mov dword [0x409010], eax
jne 0x403ea5
mov eax, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
jmp 0x403f41
lea eax, [ebp - 0x48]
push eax
call dword [sym.imp.USER32.dll_DispatchMessageA]
push 1
push ebx
push ebx
lea eax, [ebp - 0x48]
push ebx
push eax
call dword [sym.imp.USER32.dll_PeekMessageA]
test eax, eax
jne 0x403e73
jmp 0x403dac
cmp dword [ebp - 4], ebx
je 0x403ee6
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
jmp 0x403ee6
mov eax, dword [0x424028]
add eax, 0x1c
push eax
call fcn.004038fc
mov ecx, dword [ebp - 0x2c]
push dword [ebp - 0x18]
not ecx
and ecx, 4
mov dword [0x41f190], eax
sub eax, ecx
mov ecx, dword [ebp - 0x14]
push esi
push ebx
lea eax, [eax + ecx - 0x1c]
push 0xffffffffffffffff
mov dword [0x41f18c], eax
call fcn.00403b1d
cmp eax, dword [ebp - 0x18]
je 0x403eed
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 0x403f41
test byte [ebp + 8], 2
mov dword [0x423fc8], esi
je 0x403efc
or dword [esi], 8
mov eax, dword [esi]
and eax, 0x18
test byte [ebp - 0x2c], 1
mov dword [0x424060], eax
mov eax, dword [esi]
mov dword [0x424024], eax
je 0x403f19
inc dword [0x424020]
push 8
lea eax, [esi + 0x44]
pop ecx
sub eax, 8
add dword [eax], esi
dec ecx
jne 0x403f1f
mov eax, dword [0x41f188]
mov dword [esi + 0x3c], eax
push 0x40
add esi, 4
push esi
push 0x423fe0
call fcn.00406153
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4