Function at 0x402c5e
Capabilities:
Check for time delay via gettickcount
Get file size

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x130
push ebx
push esi
xor ebx, ebx
push edi
mov dword [ebp - 4], ebx
call dword [sym.imp.KERNEL32.DLL_GetTickCount]
mov esi, 0x435c00
push 0x400
push esi
add eax, 0x3e8
push dword [0x42f460]
mov dword [ebp - 0xc], eax
mov dword [ebp - 8], ebx
mov dword [ebp - 0x10], ebx
call dword [sym.imp.KERNEL32.DLL_GetModuleFileNameA]
push 3
push 0x80000000
push esi
call fcn.0040584f
mov edi, eax
cmp edi, 0xffffffff
mov dword [0x409020], edi
jne 0x402cbe
mov eax, str.Error_launching_installer
jmp 0x402f61
push esi
call fcn.004056d2
push ebx
push edi
call dword [sym.imp.KERNEL32.DLL_GetFileSize]
cmp eax, ebx
mov dword [0x428c80], eax
mov esi, eax
jle 0x402e01
mov eax, dword [0x42f46c]
mov edi, esi
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
jl 0x402cf6
mov edi, eax
push edi
push 0x420c80
call fcn.00403274
test eax, eax
je 0x402eb8
cmp dword [0x42f46c], ebx
jne 0x402d90
push 0x1c
lea eax, [ebp - 0x2c]
push 0x420c80
push eax
call fcn.0040582f
mov ecx, dword [ebp - 0x2c]
test ecx, 0xfffffff0
jne 0x402dca
cmp dword [ebp - 0x28], 0xdeadbeef
jne 0x402dca
cmp dword [ebp - 0x1c], 0x74736e49
jne 0x402dca
cmp dword [ebp - 0x20], 0x74666f73
jne 0x402dca
cmp dword [ebp - 0x24], 0x6c6c754e
jne 0x402dca
mov eax, dword [ebp - 0x14]
cmp eax, esi
jg 0x402f09
or dword [ebp + 8], ecx
mov edx, dword [0x420c70]
test byte [ebp + 8], 8
mov dword [0x42f46c], edx
jne 0x402d82
test byte [ebp + 8], 4
jne 0x402df3
inc dword [ebp - 0x10]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x402dca
mov edi, esi
jmp 0x402dca
test byte [ebp + 8], 2
jne 0x402dca
cmp dword [ebp - 4], ebx
je 0x402da3
push ebx
call fcn.00405ebb
jmp 0x402dca
call dword [sym.imp.KERNEL32.DLL_GetTickCount]
cmp eax, dword [ebp - 0xc]
jbe 0x402dca
push str.verifying_installer:__d__
push 0x402bab
push ebx
push 0x6f
push dword [0x42f460]
call dword [sym.imp.USER32.dll_CreateDialogParamA]
mov dword [ebp - 4], eax
cmp esi, dword [0x428c80]
jge 0x402de3
push edi
push 0x420c80
push dword [ebp - 8]
call fcn.00405eee
mov dword [ebp - 8], eax
add dword [0x420c70], edi
sub esi, edi
cmp esi, ebx
jg 0x402cdb
cmp dword [ebp - 4], ebx
je 0x402e01
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
cmp dword [0x42f46c], ebx
je 0x402f09
cmp dword [ebp - 0x10], ebx
je 0x402e3c
push dword [0x420c70]
call fcn.004032a6
lea eax, [ebp - 0xc]
push 4
push eax
call fcn.00403274
test eax, eax
je 0x402f09
mov eax, dword [ebp - 8]
cmp eax, dword [ebp - 0xc]
jne 0x402f09
push dword [ebp - 0x18]
push 0x40
call dword [sym.imp.KERNEL32.DLL_GlobalAlloc]
mov esi, eax
push 8
mov eax, 0x40cc20
pop edi
mov dword [0x414c28], eax
mov dword [0x414c24], eax
lea eax, [ebp - 0x130]
push 0x436400
push eax
mov dword [0x40b080], edi
mov dword [0x40b59c], ebx
mov dword [0x40b598], ebx
mov dword [0x414c20], 0x414c20
call fcn.0040587e
push ebx
push 0x4000100
push 2
push ebx
push ebx
lea eax, [ebp - 0x130]
push 0xc0000000
push eax
call dword [sym.imp.KERNEL32.DLL_CreateFileA]
cmp eax, 0xffffffff
mov dword [0x409024], eax
jne 0x402ec8
mov eax, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
jmp 0x402f61
cmp dword [ebp - 4], ebx
je 0x402f09
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
jmp 0x402f09
mov eax, dword [0x42f46c]
add eax, 0x1c
push eax
call fcn.004032a6
mov ecx, dword [ebp - 0x2c]
push dword [ebp - 0x18]
not ecx
and ecx, 4
mov dword [0x428c84], eax
sub eax, ecx
mov ecx, dword [ebp - 0x14]
push esi
push ebx
lea eax, [eax + ecx - 0x1c]
push 0xffffffffffffffff
mov dword [0x420c78], eax
call fcn.00402f68
cmp eax, dword [ebp - 0x18]
je 0x402f10
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 0x402f61
test byte [ebp + 8], 2
mov dword [0x42f468], esi
je 0x402f1e
or dword [esi], edi
mov eax, dword [esi]
and eax, 0x18
test byte [ebp - 0x2c], 1
mov dword [0x42f500], eax
mov eax, dword [esi]
mov dword [0x42f470], eax
je 0x402f3b
inc dword [0x42f474]
lea eax, [esi + 0x44]
mov ecx, edi
sub eax, edi
add dword [eax], esi
dec ecx
jne 0x402f40
mov eax, dword [0x420c74]
push 0x40
mov dword [esi + 0x3c], eax
add esi, 4
push esi
push 0x42f480
call fcn.0040582f
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4