Need steps to clean out spyware and viruses

I have a standalone computer that was connected directly to the Internet.
It is now infected.
What steps should I use to get rid of the garbage on the computer.
It is a Windows 8,1 OS.

Thanks!
LVL 1
Elton BrownAsked:
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JohnBusiness Consultant (Owner)Commented:
Have a good, paid, commercial antivirus suite. There are a number of these. I use Symantec Endpoint Protection and it rates highly.

Scan with your Anti Virus and then scan fully with Malwarebytes.  Normally this will do it.

Please note that a serious enough virus infection normally means formatting and reinstalling Windows. I just wrote an article here on rescuing a Windows 7 machine. After cleaning it up as per above, there was enough collateral damage (not viruses) that I had to recover from a backup. That was ultimately successful
nobusCommented:
McKnifeCommented:
If you don't feel able to judge what that virus has done, reinstall or better resort to a working image backup. There's no use in cleaning an infection when you can't judge its severeness. Doing that automated (through cleaning tools or scanners) can work, of course, but will never re-establish a trusted state, because after the infections, computers are often controlled remotely and actions are performed that AV software cannot undo.
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BillDLCommented:
>>> "I have a standalone computer that was connected directly to the Internet.  It is now infected." <<<

How were you made aware that the computer is infected?

I am presuming here that some anti-malware application informed you of this.  Could you please tell us what antivirus application is installed, and if this was the application that alerted you.

Assuming you were alerted by an antivirus application, what action did you or the software take to remove the identified infection(s)?
Elton BrownAuthor Commented:
BillDL:
The computer is running Superantispyware and Zonealarm.
The machine is running very slowly.
When I ran Superantispyware .it removed 529 pieces of spyware!
I want to install and run Malwarebytes.
BillDLCommented:
Thanks for the feedback.

Most often the "spyware" that is detected by such programs amounts to fairly insignificant tracking cookies and similar.  It is possible that there was some proper spyware amongst the files that the program removed, but out of the alarming 529 items I would bet that all or nearly all were pretty harmless leftovers from normal web browsing.

There can be lots of reasons that a computer runs slowly, but you are doing te right thing by running Malwarebytes.  It will be interesting to see what it finds.
nobusCommented:
cd player, what about the other posts from john and me?

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Elton BrownAuthor Commented:
Hello nubus long time no talk to!
I read your post that talks about cleaning out such trash.

Thanks all clean!
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