How to beat spyware and viruses, 2008 edition    Here's what to do if you 
suspect an infection on your Windows PC. (Please note these steps apply to both 
Windows XP and Vista.)   1)
Are you sure it's spyware or a virus? Windows pop-ups and alerts can
often seem invasive enough to be viruses, especially with Vista. Try
searching the web for the exact text you see on the screen to make sure
you aren't dealing with an aggressive Windows message. (Many of these
can be turned off, so try whatever instructions you find.) On the other
hand, some viruses masquerade as Windows alerts, so tread lightly.    2)
Boot in safe mode. If you have a virus, first step is to try booting in
safe mode. You can get to safe mode (a simplified version of Windows
that disables a lot of extra gunk, possibly including some
spyware apps) by restarting your PC and tapping F8 during boot. Soon
you'll get a menu of options. Select "Safe Mode" (it's at the top of
the menu) and wait for the machine to
fully boot. The system will look funny (with a black background and
larger icons, probably), but don't worry about it. This is only
temporary. (Also note that many spyware applications can disable safe
mode, so if you find this doesn't work, just boot normally.)   3) Run your 
antivirus application. This is of course assuming you have an antivirus 
application. (Need one? Check here.)
You're in safe mode now, so run a full scan of your PC at maximum
security levels (include the option to scan within compressed files,
for example). This will probably take an hour or more, so be patient.
Fix any problems the virus scan turns up. Then reboot into safe mode
again using the procedure in step 2.   4)
Run one or two anti-spyware applications. I used to recommend running
multiple anti-spyware apps, but virtually all antivirus apps now do a
pretty good job at getting rid of spyware too, so you don't need an
army of additional applications just for spyware. Also, I now recommend
starting with AdAware (which is free) and moving on to Spyware Doctor (free as 
part of the Google Pack)
if you feel you need additional help. (Please note that recent versions
of Spyware Doctor and Norton Antivirus have some trouble with each
other.) You can try other apps too, but the
once-recommended SpyBot Search & Destroy is no longer very
effective, sadly. (Neither is Microsoft's own Windows Defender.) Of
course, fix anything and everything these apps find.   5)
Reboot normally. (Not in safe mode.) Now take stock. Still got spyware?
It's time to move along to my more advanced techniques for removing the
nasties.   6) Run HijackThis. HijackThis
is a free software tool that scans your computer to find malware that
other apps might miss. Scroll down to "Official downloads" to download
the tool. Next, simply open the ZIP file you downloaded, extract the
application, and run the tool (you don't need
to install it). Click the "Do a system scan and save a logfile" button.
You'll receive a large text file as well as a dialog box which gives
you a list of active software processes, which you can then choose to
delete. Unfortunately, this list includes both helpful and unhelpful
software, so don't just start deleting items. Continue in step 7 to
figure out how to fix your spyware infection.   7) Post your log file online. 
Visit this page, which offers a list of forums staffed by volunteers who can 
help you interpret your HijackThis log. The SWI Forums
are especially busy, but most of the forums
on the list are equally apt. Go to SWI and visit the "Malware Removal"
forum which has over 50,000 topics listed: Those are all people like
you who are seeking help getting rid of spyware. Register for an
account, read the FAQ, then visit that Malware Removal forum, and post
a new topic. Paste the content of the text file you created in step 5
into this topic and (politely) ask for help. You will get a response
from a volunteer helper, typically within 3 days. You'll be given
specific advice on what entries to remove with the HijackThis tool, and
you might be pointed to additional software to run to help remove
common spyware infections. Follow all the instructions and keep working
with the forum helpers until either you or they give up. (And no, don't send 
your log file to me or post it here. I am not nearly the spyware removal expert 
that these guys are.)   7a) Alternately: Paste your log file into an automated 
tool. Don't have three days? Try simply pasting your HijackThis log file into 
this form.
It does a pretty good job at auto-analyzing what's wrong with your
machine, with no waiting. As well, if that doesn't work, you can search
for the items you find in the HijackThis log by name to see what they
are and how to remove them, if they're spyware. This can be quite time
consuming, though.   8)
Try System Restore. If that doesn't work, you might try running Windows
System Restore to roll back your OS to a time before the infection
happened. This isn't foolproof: You might not have System Restore
turned on, or the spyware might have shut System Restore off, as well.
But
it's worth a shot. With either XP or Vista, System Restore can be found
under Start > All Programs > Accessories > System Tools >
System Restore.   9)
Give up and wipe your hard drive. At this point, you've exhausted all
the options I know of. You might try again at steps 6/7 to make sure
you've done everything you can to salvage the PC. Forum helpers will
often work with you for weeks to help fight a spyware infection, but
there are tens of thousands of possible variants out there, with new
ones cropping up every day. It's just not possible to clean them all,
every time. Sometimes the only thing you can do is call it quits,
reformat your hard drive, and reinstall your OS. Again, make sure you
have your backups ready and verified. Once you're up and running,
reinstall your antivirus and anti-spyware applications, and stay
vigilant against infection. Good
luck.
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