Function at 0x403a93
Capabilities:
Check for time delay via gettickcount
Get file size

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x148
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, 0x4d2000
push 0x4000
push esi
mov ebx, eax
push dword [0x475a20]
add ebx, 0x3e8
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push esi
call fcn.004069d8
mov edi, eax
cmp edi, 0xffffffff
mov dword [0x40a5f0], edi
jne 0x403af3
mov eax, str.Error_launching_installer
jmp 0x403da9
push esi
call fcn.00406858
push 0
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
test eax, eax
mov dword [0x43379c], eax
mov esi, eax
jle 0x403c65
mov eax, dword [0x475a2c]
mov edi, esi
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
jl 0x403b2c
mov edi, eax
push edi
push 0x42b79c
call fcn.004040d3
test eax, eax
je 0x403cf9
xor eax, eax
cmp dword [0x475a2c], eax
jne 0x403bd8
push 0x1c
lea eax, [ebp - 0x28]
push 0x42b79c
push eax
call fcn.004069b2
mov ecx, dword [ebp - 0x28]
test ecx, 0xfffffff0
jne 0x403c2d
cmp dword [ebp - 0x24], 0xdeadbeef
jne 0x403c2d
cmp dword [ebp - 0x18], 0x74736e49
jne 0x403c2d
cmp dword [ebp - 0x1c], 0x74666f73
jne 0x403c2d
cmp dword [ebp - 0x20], 0x6c6c754e
jne 0x403c2d
mov eax, dword [ebp - 0x10]
cmp eax, esi
jg 0x403d4b
or dword [ebp + 8], ecx
mov edx, dword [0x42b790]
test byte [ebp + 8], 8
mov dword [0x475a2c], edx
jne 0x403bca
test byte [ebp + 8], 4
jne 0x403c56
inc dword [ebp - 8]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x403c2d
mov edi, esi
jmp 0x403c2d
test byte [ebp + 8], 2
jne 0x403c2d
cmp dword [ebp - 4], eax
je 0x403c06
push 1
push eax
push eax
push eax
lea eax, [ebp - 0x44]
push eax
call dword [sym.imp.USER32.dll_PeekMessageA]
test eax, eax
je 0x403c2d
lea eax, [ebp - 0x44]
push eax
call dword [sym.imp.USER32.dll_DispatchMessageA]
push 1
xor eax, eax
jmp 0x403be5
call dword [sym.imp.KERNEL32.dll_GetTickCount]
cmp eax, ebx
jbe 0x403c2d
push str.verifying_installer:__d__
push 0x4039d2
push 0
push 0x6f
push dword [0x475a20]
call dword [sym.imp.USER32.dll_CreateDialogParamA]
mov dword [ebp - 4], eax
cmp esi, dword [0x43379c]
jge 0x403c46
push edi
push 0x42b79c
push dword [ebp - 0xc]
call fcn.00401cc0
mov dword [ebp - 0xc], eax
add dword [0x42b790], edi
sub esi, edi
test esi, esi
jg 0x403b11
cmp dword [ebp - 4], 0
je 0x403c65
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
cmp dword [0x475a2c], 0
je 0x403d4b
cmp dword [ebp - 8], 0
je 0x403ca2
push dword [0x42b790]
call fcn.00404105
lea eax, [ebp - 8]
push 4
push eax
call fcn.004040d3
test eax, eax
je 0x403d4b
mov eax, dword [ebp - 0xc]
cmp eax, dword [ebp - 8]
jne 0x403d4b
push dword [ebp - 0x14]
call fcn.0040662c
mov ecx, 0x41f6c8
mov esi, eax
call fcn.00401000
lea eax, [ebp - 0x148]
push 0x4da000
push eax
call fcn.00406a07
xor edi, edi
lea eax, [ebp - 0x148]
push edi
push 0x4000100
push 2
push edi
push edi
push 0xc0000000
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
cmp eax, 0xffffffff
mov dword [0x40a5f4], eax
jne 0x403d0a
mov eax, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
jmp 0x403da9
cmp dword [ebp - 4], 0
je 0x403d4b
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
jmp 0x403d4b
mov eax, dword [0x475a2c]
add eax, 0x1c
push eax
call fcn.00404105
mov ecx, dword [ebp - 0x28]
push dword [ebp - 0x14]
not ecx
and ecx, 4
mov dword [0x4337a0], eax
sub eax, ecx
mov ecx, dword [ebp - 0x10]
push esi
push edi
lea eax, [eax + ecx - 0x1c]
push 0xffffffffffffffff
mov dword [0x42b798], eax
call fcn.00403db0
cmp eax, dword [ebp - 0x14]
je 0x403d52
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 0x403da9
test byte [ebp + 8], 2
mov dword [0x475a28], esi
je 0x403d61
or dword [esi], 8
mov eax, dword [esi]
and eax, 0x18
test byte [ebp - 0x28], 1
mov dword [0x475abc], eax
mov eax, dword [esi]
mov dword [0x475a30], eax
je 0x403d7e
inc dword [0x475a34]
lea ecx, [esi + 0x3c]
push 8
mov eax, ecx
pop edx
add dword [eax], esi
dec edx
sub eax, 8
cmp edx, edi
ja 0x403d86
mov eax, dword [0x42b794]
add esi, 4
push 0x40
push esi
push 0x475a40
mov dword [ecx], eax
call fcn.004069b2
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4