Function at 0x403b49
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, 0x42cc00
push 0x400
push esi
mov edi, eax
push dword [0x426ee0]
add edi, 0x3e8
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push esi
call fcn.004065bb
mov ebx, eax
cmp ebx, 0xffffffff
mov dword [ebp - 0x10], ebx
mov dword [0x426ef4], ebx
jne 0x403ba9
mov eax, str.Error_launching_installer
jmp 0x403dd2
push esi
call fcn.00406431
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
test eax, eax
mov dword [0x4224c8], eax
mov esi, eax
jle 0x403d0e
mov eax, 0x200
mov ebx, esi
cmp esi, eax
jb 0x403bd4
mov ebx, eax
push ebx
push 0x4222c8
call fcn.00403ffe
test eax, eax
je 0x403cee
xor eax, eax
cmp dword [0x426eec], eax
jne 0x403c70
push 0x1c
lea eax, [ebp - 0x2c]
push 0x4222c8
push eax
call fcn.00406597
mov ecx, dword [ebp - 0x2c]
test ecx, 0xfffffff0
jne 0x403ca2
cmp dword [ebp - 0x28], 0xdeadbeef
jne 0x403ca2
cmp dword [ebp - 0x1c], 0x74736e49
jne 0x403ca2
cmp dword [ebp - 0x20], 0x74666f73
jne 0x403ca2
cmp dword [ebp - 0x24], 0x6c6c754e
jne 0x403ca2
mov eax, dword [ebp - 0x14]
cmp eax, esi
jg 0x403d6f
or dword [ebp + 8], ecx
mov edx, dword [0x4162c0]
test byte [ebp + 8], 8
mov dword [0x426eec], edx
jne 0x403c62
test byte [ebp + 8], 4
jne 0x403cff
inc dword [ebp - 8]
lea esi, [eax - 4]
cmp ebx, esi
jbe 0x403ca2
mov ebx, esi
jmp 0x403ca2
test byte [ebp + 8], 2
jne 0x403ca2
cmp dword [ebp - 4], eax
jne 0x403cd9
call dword [sym.imp.KERNEL32.dll_GetTickCount]
cmp eax, edi
jbe 0x403ca2
push str.verifying_installer:__d__
push 0x403abd
push 0
push 0x6f
push dword [0x426ee0]
call dword [sym.imp.USER32.dll_CreateDialogParamA]
mov dword [ebp - 4], eax
cmp esi, dword [0x4224c8]
jge 0x403cbb
push ebx
push 0x4222c8
push dword [ebp - 0xc]
call fcn.00401fd3
mov dword [ebp - 0xc], eax
add dword [0x4162c0], ebx
sub esi, ebx
test esi, esi
jg 0x403bc7
jmp 0x403cff
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 0x403ccd
jmp 0x403ca2
cmp dword [ebp - 4], 0
je 0x403d6f
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
jmp 0x403d6f
cmp dword [ebp - 4], 0
je 0x403d0e
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_DestroyWindow]
xor edi, edi
cmp dword [0x426eec], edi
je 0x403d6f
cmp dword [ebp - 8], edi
je 0x403d3f
push dword [0x4162c0]
call fcn.00404030
lea eax, [ebp - 8]
push 4
push eax
call fcn.00403ffe
test eax, eax
je 0x403d6f
mov eax, dword [ebp - 0xc]
cmp eax, dword [ebp - 8]
jne 0x403d6f
push dword [ebp - 0x18]
call fcn.0040638b
mov esi, eax
mov eax, dword [0x426eec]
add eax, 0x1c
push eax
call fcn.00404030
push dword [ebp - 0x18]
push esi
push edi
push 0xffffffffffffffff
call fcn.00403dd9
cmp eax, dword [ebp - 0x18]
je 0x403d76
push esi
call dword [sym.imp.KERNEL32.dll_GlobalFree]
mov eax, str.Installer_corrupted_or_incomplete._r_n_r_nThis_could_be_the_result_of_a_failed_download_or_corruption_from_a_virus._r_n_r_nIf_desperate__try_the__NCRC_command_line_switch__NOT_recommended_
jmp 0x403dd2
test byte [ebp + 8], 2
mov dword [0x426ee8], esi
je 0x403d85
or dword [esi], 8
mov eax, dword [esi]
and eax, 0x18
test byte [ebp - 0x2c], 1
mov dword [0x426f5c], eax
mov eax, dword [esi]
mov dword [0x426ef0], eax
je 0x403da2
inc dword [0x426ef8]
push 7
lea eax, [esi + 0x3c]
pop ecx
sub eax, 8
add dword [eax], esi
dec ecx
jne 0x403da8
push 1
push edi
push edi
push dword [ebp - 0x10]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov dword [esi + 0x34], eax
add esi, 4
push 0x38
push esi
push 0x426f00
call fcn.00406597
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4