Function at 0x404166
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, 0x42cc00
push esi
push dword [0x425fa4]
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.00406a12
mov edi, eax
cmp edi, 0xffffffff
mov dword [0x426000], edi
jne 0x4041c6
mov eax, str.Error_launching_installer
jmp 0x40445f
push esi
call fcn.00406d6b
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, ebx
mov dword [0x41c148], eax
mov esi, eax
jle 0x404301
mov eax, dword [0x426004]
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
mov edi, esi
jl 0x4041fe
mov edi, eax
push edi
push 0x40c0e8
call fcn.00403e07
test eax, eax
je 0x4043b3
cmp dword [0x426004], ebx
jne 0x404294
push 0x1c
push 0x40c0e8
lea eax, [ebp - 0x2c]
push eax
call fcn.004069ee
mov ecx, dword [ebp - 0x2c]
test ecx, 0xfffffff0
jne 0x4042ca
cmp dword [ebp - 0x28], 0xdeadbeef
jne 0x4042ca
cmp dword [ebp - 0x1c], 0x74736e49
jne 0x4042ca
cmp dword [ebp - 0x20], 0x74666f73
jne 0x4042ca
cmp dword [ebp - 0x24], 0x6c6c754e
jne 0x4042ca
mov eax, dword [ebp - 0x14]
cmp eax, esi
jg 0x404404
or dword [ebp + 8], ecx
test byte [ebp + 8], 8
mov edx, dword [0x41c140]
mov dword [0x426004], edx
jne 0x404286
test byte [ebp + 8], 4
jne 0x4042f3
inc dword [ebp - 0x10]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x4042ca
mov edi, esi
jmp 0x4042ca
test byte [ebp + 8], 2
jne 0x4042ca
cmp dword [ebp - 4], ebx
jne 0x40439b
call dword [sym.imp.KERNEL32.dll_GetTickCount]
cmp eax, dword [ebp - 8]
jbe 0x4042ca
push str.verifying_installer:__d__
push 0x403d46
push ebx
push 0x6f
push dword [0x425fa4]
call dword [sym.imp.USER32.dll_CreateDialogParamA]
mov dword [ebp - 4], eax
cmp esi, dword [0x41c148]
jge 0x4042e3
push edi
push 0x40c0e8
push dword [ebp - 0xc]
call fcn.00401f18
mov dword [ebp - 0xc], eax
add dword [0x41c140], edi
sub esi, edi
cmp esi, ebx
jg 0x4041e3
cmp dword [ebp - 4], ebx
je 0x404301
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
cmp dword [0x426004], ebx
je 0x404404
cmp dword [ebp - 0x10], ebx
je 0x40433c
push dword [0x41c140]
call fcn.00403e39
push 4
lea eax, [ebp - 8]
push eax
call fcn.00403e07
test eax, eax
je 0x404404
mov eax, dword [ebp - 0xc]
cmp eax, dword [ebp - 8]
jne 0x404404
push dword [ebp - 0x18]
call fcn.00406947
push 0x4140e8
mov esi, eax
call fcn.00401b9b
push 0x42d400
lea eax, [ebp - 0x14c]
push eax
call fcn.00406a41
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 [0x40a004], eax
jne 0x4043c3
mov eax, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
jmp 0x40445f
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 0x404391
jmp 0x4042ca
cmp dword [ebp - 4], ebx
je 0x404404
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
jmp 0x404404
mov eax, dword [0x426004]
add eax, 0x1c
push eax
call fcn.00403e39
mov ecx, dword [ebp + 8]
push dword [ebp - 0x18]
not ecx
and ecx, 4
mov dword [0x420158], eax
sub eax, ecx
mov ecx, dword [ebp - 0x14]
push esi
push ebx
lea eax, [eax + ecx - 0x1c]
push 0xffffffffffffffff
mov dword [0x420154], eax
call fcn.0040403b
cmp eax, dword [ebp - 0x18]
je 0x40440b
push esi
call dword [sym.imp.KERNEL32.dll_GlobalFree]
mov eax, str.The_installer_you_are_trying_to_use_is_corrupted_or_incomplete._r_nThis_could_be_the_result_of_a_damaged_disk__a_failed_download_or_a_virus._r_n_r_nYou_may_want_to_contact_the_author_of_this_installer_to_obtain_a_new_copy._r_n_r_nIt_may_be_possible_to_skip_this_check_using_the__NCRC_command_line_switch_r_n_NOT_RECOMMENDED_.
jmp 0x40445f
test byte [ebp + 8], 2
mov dword [0x425fa8], esi
je 0x40441a
or dword [esi], 8
mov eax, dword [esi]
and eax, 0x18
test byte [ebp - 0x2c], 1
mov dword [0x42603c], eax
mov eax, dword [esi]
mov dword [0x425ffc], eax
je 0x404437
inc dword [0x425ff8]
push 7
lea eax, [esi + 0x3c]
pop ecx
sub eax, 8
add dword [eax], esi
dec ecx
jne 0x40443d
mov eax, dword [0x420150]
mov dword [esi + 0x34], eax
push 0x38
add esi, 4
push esi
push 0x425fc0
call fcn.004069ee
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4