Berikut daftar (referensi) Antivirus-antivirus gratis ( non lokal ) disertai dengan informasi tempat/lokasi download-nya.

Disini tidak akan dibahas lengkap mengenai masing-masing produk Antivirus, tetapi hanya menyediakan daftar lengkap free antivirus (harapannya menjadi daftar terlengkap), link informasi detail antivirus, lokasi download, Sistem operasi yang didukung/diperlukan, ukuran file istallasi dan link manual update jika tersedia.

1. Avira Antivir Personal Free Antivirus

URL : http://www.free-av.com/
Download :
- http://dlce.antivir.com/package/wks_avira/win32/en/pecl/avira_antivir_personal_en.exe
- http://dlce.antivir.com/package/wks_avira/win32/en/pecl/avira_antivir_personal_en.zip
- http://www.softpedia.com/progDownload/AntiVir-Personal-Edition-Download-6527.html
- http://download.cnet.com/Avira-AntiVir-Personal-Free-Antivirus/3000-2239_4-10322935.html
- http://www.filehippo.com/download_antivir/
Ukuran : 28.61 MB (exe), 31.11 MB (Zip)
Platform/Sistem : Windows 2000/XP/Vista ( 32/64 Bit)
Manual Update :
- http://dl.antivir.de/down/vdf/ivdf_fusebundle_nt_en.zip
- http://dl1.avgate.net/down/vdf/ivdf_fusebundle_nt_en.zip
- http://dl2.avgate.net/down/vdf/ivdf_fusebundle_nt_en.zip

2. AVG Free Antivirus

URL : http://free.avg.com/download-avg-anti-virus-free-edition
Download :
- http://www.avg.com/filedir/inst/avg_free_stf_en_85_285a1462.exe
- http://download.cnet.com/AVG-Anti-Virus-Free-Edition/3000-2239_4-10320142.html
- http://www.softpedia.com/get/Antivirus/AVG-Free-Edition.shtml
- http://www.filehippo.com/download_avg_antivirus/
Ukuran : 60.1 MB
Platform/Sistem : Windows 2000 SP4 + SRP1, XP Home/Prof SP2 dan Windows Vista
Manual Update : http://free.avg.com/download?prd=afe#tba4

3. Avast! Home Edition

URL : http://www.avast.com/eng/download-avast-home.html
Download :
- http://files.avast.com/iavs4pro/setupeng.exe
- http://download.cnet.com/Avast-Home-Edition/3000-2239_4-10019223.html
- http://www.softpedia.com/get/Antivirus/Avast-Home-Edition.shtml
- http://www.filehippo.com/download_avast_antivirus/
Ukuran : 31.27MB
Platform/Sistem : Windows 95/98/Me/NT 4/2000/XP/Vista ( 32/64 bit )
Manual Update link : http://files.avast.com/iavs4pro/vpsupd.exe ( ~ 23 MB )

4. BitDefender Free Antivirus

URL : http://www.bitdefender.com/PRODUCT-14-en–BitDefender-Free-Edition.html
Download :
- http://www.bitdefender.com/site/Downloads/browseEvaluationVersion/1/42/
- http://www.softpedia.com/get/Antivirus/BitDefender-Free-Edition.shtml
- http://www.filehippo.com/download_bitdefender/
Ukuran : 21.08MB
Platform/Sistem : Windows 98/NT-SP6/Me/2000/XP IE 4.0(+)
Manual Update : -

5. PC Tools AntiVirus Free Edition

URL : http://www.pctools.com/free-antivirus/
Download link :
- http://www.pctools.com/free-antivirus/download/
- http://download.cnet.com/PC-Tools-AntiVirus-Free-Edition/3000-2239_4-10625067.html
Ukuran : 43.7 MB
Platform/Sistem : Windows® Vista™ 32-bit, XP dan 2000
Manual Update : -

6. Comodo Internet Security (Firewall + Antivirus)

URL : http://personalfirewall.comodo.com/index.html
Download :
- http://personalfirewall.comodo.com/download_firewall.html
- http://download.cnet.com/Comodo-Internet-Security/3000-10435_4-10907041.html
Ukuran : 45.2 MB ( versi 3.8) / 27.29 MB ( versi 3.5)
Platform/Sistem : Windows XP (SP2), Windows Vista ( 32/ 64 bit )
Manual Update : -

7. Rising Antivirus Free Edition

URL : http://www.freerav.com/
Download :
- http://down.rising-global.com/for_down/09globalver/RavINTFree.exe
- http://download.cnet.com/Rising-Antivirus-2009-Free-Edition/3000-2239_4-10674783.html
- http://www.softpedia.com/get/Antivirus/Rising-Antivirus-Free-Edition.shtml
Ukuran : 60.92MB
Platform/Sistem : Windows 98/Me/NT/2000/XP/2003/Vista
Manual Update : -

8. ClamAV Antivirus

URL : http://www.clamav.net/
Download :
- http://www.softpedia.com/progDownload/ClamAV-Download-13391.html ( Windows )
- http://www.clamav.net/download/
Ukuran : 3.76 MB ( Untuk Windows )
Platform : Linux, BSD, AIX, OSF, Solaris, HP-UX,OpenVMS, Win32 (Windows 9x/ME/2000/XP/Vista)
Manual Update : http://www.clamav.net/download/cvd

9. ClamWin Free Antivirus

URL : http://www.clamwin.com/
Download Link :
- http://www.clamwin.com/content/view/18/46/
- http://www.filehippo.com/download_clamwin/
Ukuran : 24.5 MB
Platform/Sistem : Microsoft Windows 98/Me/2000/XP/2003 dan Vista
Manual Update : http://www.clamav.net/download/cvd

10. CS Anti-Virus

URL : http://www.creasoftware.net/prodotto.asp?id=16
Download link :
- http://www.creasoftware.net/download.asp?id=37
- http://www.softpedia.com/get/Antivirus/CS-Anti-Virus.shtml
Ukuran : 4.6 MB ( Update ~ 20 MB )
Platform/Sistem : Windows NT/2000/XP/2003/Vista
Manual Update : http://clamav.mirror.garr.it/main.cvd

11. My Free Antivirus

URL : http://smartpctools.com/free_antivirus/index1.html
Download :
- http://www.smartpctools.com/files/antivirussetup.exe
- http://www.softpedia.com/get/Antivirus/My-Free-Antivirus.shtml
Ukuran : 6.2 Mb
Platform/Sistem : Windows NT/2000/XP/2003/Vista
Manual Update : -

12. ThreatFire AntiVirus Free Edition

URL : http://www.threatfire.com
Download :
- http://www.threatfire.com/files/tfinstall.exe
- http://download.cnet.com/ThreatFire-AntiVirus-Free-Edition/3000-2239_4-10726873.html
Ukuran : 7.81 MB
Platform/Sistem : Windows® Vista™, XP, 2000 dan 2003
Manual Update : -

Daftar diatas adalah antivirus yang menyertakan real time protection (jadi tools/utility/antivirus yang hanya menyediakan scan virus/repair saja tidak disertakan). Artikel tentang antivirus selanjutnya insyaAllah akan membahas tentang tool-tool gratis yang bisa digunakan untuk langsung melakukan scan komputer, terutama yang sudah terkena virus.