Which antispyware program do you use?

None

None as well, malware is easy to avoid.

ESET, used to have Norton but it just didn't work well enough for my tastes.

sgtools.info

none

I used to use bitdefender but at this point I only use windows defender. I'm surprised so many persons are saying they use none though. Did they go out of their way to turn off windows defender or something?

Antivirus Software -> Avast Free Edition
AntiSpyWare Software -> Malwarebytes Anti-Malware (doing a manual scan 1-2 times per month)

Avast and MalwareBytes.

I'll state "none" as well ... but, I also don't use Windows

My anti spyware is not using SGtools :)

If you're running Windows, just use a limited account and don't install any software from sources you don't trust. HashMyFiles has a neat feature that lets you check a file on virustotal.com from the context menu which I use quite regularly.

Besides my firewall and antivirus, I use Spybot, Malwarebytes, and SuperAntiSpyware, and I might even have another somewhere that I've forgotten about. Reason being that they all tend to search for different things, which was very, very useful that one time on my old computer that I turned off my firewall to play a game my computer could barely run, then, like an idiot, forgot to turn it back on when I was done.

I didn't even visit any shady sites, but something must have been up with somebody's ads or something, because within a few hours, my computer was nearly unusable. It was painfully slow, my browser redirected every time I tried to go anywhere, and I couldn't run most of my antivirus/malware software. One program could run, and it caught a few, which let me update it, and then it caught more. Then I could update+run another program, then another, like some bizarre game where you have to do it in the right order. All in all, I got hundreds of results, and in the end my computer was fine. And I made sure never to turn my firewall off again. ಠ_ಠ

I usually don't get flagged for anything but tracking cookies, but I run scans every so often just to be safe.

Eset, but usually it's easy to avoid them on my own.

Spy-bot now.

I catched a virus some time ago, first for very long period without protection. It was trojan with miner attached. And funny thing, I detected it for the first time because miner was crashing constantly and couldn't work at all.

Avira

my brain

Linux

I don't bother - I only use Windows for gaming and I haven't caught malware from Steam yet (unless you count Sakura Clicker). I dual boot into Linux for everything else or use a non-Windows device.

MBAM

Windows defender