Function at 0x4056be
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 [0x4264a4]
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.00405b62
mov edi, eax
cmp edi, 0xffffffff
mov dword [0x40a058], edi
jne 0x40571e
mov eax, str.Error_launching_installer
jmp 0x4059b7
push esi
call fcn.00405eb9
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, ebx
mov dword [0x41e9d8], eax
mov esi, eax
jle 0x405859
mov eax, dword [0x425be8]
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
mov edi, esi
jl 0x405756
mov edi, eax
push edi
push 0x40e948
call fcn.0040535f
test eax, eax
je 0x40590b
cmp dword [0x425be8], ebx
jne 0x4057ec
push 0x1c
push 0x40e948
lea eax, [ebp - 0x2c]
push eax
call fcn.00405b42
mov ecx, dword [ebp - 0x2c]
test ecx, 0xfffffff0
jne 0x405822
cmp dword [ebp - 0x28], 0xdeadbeef
jne 0x405822
cmp dword [ebp - 0x1c], 0x74736e49
jne 0x405822
cmp dword [ebp - 0x20], 0x74666f73
jne 0x405822
cmp dword [ebp - 0x24], 0x6c6c754e
jne 0x405822
mov eax, dword [ebp - 0x14]
cmp eax, esi
jg 0x40595c
or dword [ebp + 8], ecx
test byte [ebp + 8], 8
mov edx, dword [0x41e9d0]
mov dword [0x425be8], edx
jne 0x4057de
test byte [ebp + 8], 4
jne 0x40584b
inc dword [ebp - 0x10]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x405822
mov edi, esi
jmp 0x405822
test byte [ebp + 8], 2
jne 0x405822
cmp dword [ebp - 4], ebx
jne 0x4058f3
call dword [sym.imp.KERNEL32.dll_GetTickCount]
cmp eax, dword [ebp - 8]
jbe 0x405822
push str.verifying_installer:__d__
push 0x40529e
push ebx
push 0x6f
push dword [0x4264a4]
call dword [sym.imp.USER32.dll_CreateDialogParamA]
mov dword [ebp - 4], eax
cmp esi, dword [0x41e9d8]
jge 0x40583b
push edi
push 0x40e948
push dword [ebp - 0xc]
call fcn.004035dd
mov dword [ebp - 0xc], eax
add dword [0x41e9d0], edi
sub esi, edi
cmp esi, ebx
jg 0x40573b
cmp dword [ebp - 4], ebx
je 0x405859
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
cmp dword [0x425be8], ebx
je 0x40595c
cmp dword [ebp - 0x10], ebx
je 0x405894
push dword [0x41e9d0]
call fcn.00405391
push 4
lea eax, [ebp - 8]
push eax
call fcn.0040535f
test eax, eax
je 0x40595c
mov eax, dword [ebp - 0xc]
cmp eax, dword [ebp - 8]
jne 0x40595c
push dword [ebp - 0x18]
call fcn.00405aa3
mov ecx, 0x416948
mov esi, eax
call fcn.00406562
push 0x42d400
lea eax, [ebp - 0x14c]
push eax
call fcn.00405b91
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 [0x40a05c], eax
jne 0x40591b
mov eax, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
jmp 0x4059b7
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 0x4058e9
jmp 0x405822
cmp dword [ebp - 4], ebx
je 0x40595c
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
jmp 0x40595c
mov eax, dword [0x425be8]
add eax, 0x1c
push eax
call fcn.00405391
mov ecx, dword [ebp - 0x2c]
push dword [ebp - 0x18]
not ecx
and ecx, 4
mov dword [0x4229e8], eax
sub eax, ecx
mov ecx, dword [ebp - 0x14]
push esi
push ebx
lea eax, [eax + ecx - 0x1c]
push 0xffffffffffffffff
mov dword [0x4229e4], eax
call fcn.00405593
cmp eax, dword [ebp - 0x18]
je 0x405963
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 0x4059b7
test byte [ebp + 8], 2
mov dword [0x425b80], esi
je 0x405972
or dword [esi], 8
mov eax, dword [esi]
and eax, 0x18
test byte [ebp - 0x2c], 1
mov dword [0x425c20], eax
mov eax, dword [esi]
mov dword [0x425be4], eax
je 0x40598f
inc dword [0x425be0]
push 8
lea eax, [esi + 0x44]
pop ecx
sub eax, 8
add dword [eax], esi
dec ecx
jne 0x405995
mov eax, dword [0x4229e0]
mov dword [esi + 0x3c], eax
push 0x40
add esi, 4
push esi
push 0x425ba0
call fcn.00405b42
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4