Function at 0x403ae6
Capabilities:
Check for time delay via gettickcount
Get file size

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x48
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, 0x435c00
push 0x400
push esi
mov edi, eax
push dword [0x42f020]
add edi, 0x3e8
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push esi
call fcn.004064c5
mov ebx, eax
cmp ebx, 0xffffffff
mov dword [ebp - 0x10], ebx
mov dword [0x409048], ebx
jne 0x403b46
mov eax, str.Error_launching_installer
jmp 0x403d7d
push esi
call fcn.0040634d
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
test eax, eax
mov dword [0x42a1e0], eax
mov esi, eax
jle 0x403cb9
mov eax, dword [0x42f02c]
mov ebx, esi
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
jl 0x403b7f
mov ebx, eax
push ebx
push 0x4221e0
call fcn.00403fb0
test eax, eax
je 0x403c99
xor eax, eax
cmp dword [0x42f02c], eax
jne 0x403c1b
push 0x1c
lea eax, [ebp - 0x2c]
push 0x4221e0
push eax
call fcn.004064a5
mov ecx, dword [ebp - 0x2c]
test ecx, 0xfffffff0
jne 0x403c4d
cmp dword [ebp - 0x28], 0xdeadbeef
jne 0x403c4d
cmp dword [ebp - 0x1c], 0x74736e49
jne 0x403c4d
cmp dword [ebp - 0x20], 0x74666f73
jne 0x403c4d
cmp dword [ebp - 0x24], 0x6c6c754e
jne 0x403c4d
mov eax, dword [ebp - 0x14]
cmp eax, esi
jg 0x403d1a
or dword [ebp + 8], ecx
mov edx, dword [0x4161d8]
test byte [ebp + 8], 8
mov dword [0x42f02c], edx
jne 0x403c0d
test byte [ebp + 8], 4
jne 0x403caa
inc dword [ebp - 8]
lea esi, [eax - 4]
cmp ebx, esi
jbe 0x403c4d
mov ebx, esi
jmp 0x403c4d
test byte [ebp + 8], 2
jne 0x403c4d
cmp dword [ebp - 4], eax
jne 0x403c84
call dword [sym.imp.KERNEL32.dll_GetTickCount]
cmp eax, edi
jbe 0x403c4d
push str.verifying_installer:__d__
push 0x403a5a
push 0
push 0x6f
push dword [0x42f020]
call dword [sym.imp.USER32.dll_CreateDialogParamA]
mov dword [ebp - 4], eax
cmp esi, dword [0x42a1e0]
jge 0x403c66
push ebx
push 0x4221e0
push dword [ebp - 0xc]
call fcn.004021aa
mov dword [ebp - 0xc], eax
add dword [0x4161d8], ebx
sub esi, ebx
test esi, esi
jg 0x403b64
jmp 0x403caa
lea eax, [ebp - 0x48]
push eax
call dword [sym.imp.USER32.dll_DispatchMessageA]
xor eax, eax
push 1
push eax
push eax
push eax
lea eax, [ebp - 0x48]
push eax
call dword [sym.imp.USER32.dll_PeekMessageA]
test eax, eax
jne 0x403c78
jmp 0x403c4d
cmp dword [ebp - 4], 0
je 0x403d1a
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
jmp 0x403d1a
cmp dword [ebp - 4], 0
je 0x403cb9
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
xor edi, edi
cmp dword [0x42f02c], edi
je 0x403d1a
cmp dword [ebp - 8], edi
je 0x403cea
push dword [0x4161d8]
call fcn.00403fe2
lea eax, [ebp - 8]
push 4
push eax
call fcn.00403fb0
test eax, eax
je 0x403d1a
mov eax, dword [ebp - 0xc]
cmp eax, dword [ebp - 8]
jne 0x403d1a
push dword [ebp - 0x18]
call fcn.0040615c
mov esi, eax
mov eax, dword [0x42f02c]
add eax, 0x1c
push eax
call fcn.00403fe2
push dword [ebp - 0x18]
push esi
push edi
push 0xffffffffffffffff
call fcn.00403d84
cmp eax, dword [ebp - 0x18]
je 0x403d21
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 0x403d7d
test byte [ebp + 8], 2
mov dword [0x42f028], esi
je 0x403d30
or dword [esi], 8
mov eax, dword [esi]
and eax, 0x18
test byte [ebp - 0x2c], 1
mov dword [0x42f0c0], eax
mov eax, dword [esi]
mov dword [0x42f030], eax
je 0x403d4d
inc dword [0x42f034]
push 8
lea eax, [esi + 0x44]
pop ecx
sub eax, 8
add dword [eax], esi
dec ecx
jne 0x403d53
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 0x42f040
call fcn.004064a5
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4