Malware Programs
| Name | Threat Level | Alias | Detection Count | Date |
|---|---|---|---|---|
| Oasis Space Ads |
 2/10 |
N/A | 2,440 | August 31, 2015 |
| Oatmealsmoke.kim | N/A | February 16, 2015 | ||
| Object Browser |
2/10 |
N/A | 28,230 | December 12, 2013 |
| Objectity.info | N/A | March 4, 2015 | ||
| Objectopoly.info | N/A | March 4, 2015 | ||
| Obrona Blockads |
2/10 |
N/A | 3,325 | July 24, 2014 |
| Obrona Cleaner |
 1/10 |
N/A | 331 | March 12, 2015 |
| Obtenez Email |
1/10 |
N/A | October 3, 2018 | |
| OceanLotus | N/A | April 9, 2019 | ||
| Ocelot Locker Ransomware |
 10/10 |
N/A | January 17, 2017 | |
| Octopus Trojan | N/A | March 13, 2019 | ||
| Oemantivir.microsoft.com | N/A | August 17, 2009 | ||
| Offer Boulevard | N/A | September 2, 2014 | ||
| Offer-provider.com | N/A | May 19, 2009 | ||
| OfferApp Ads |
2/10 |
N/A | 51 | May 18, 2015 |
| OfferBox |
2/10 |
Adware:Win32/OfferBoxBrowser [Microsoft] | 77,559 | March 6, 2014 |
| OfferCrowd Ads |
2/10 |
N/A | 21 | November 19, 2014 |
| Offers4U |
2/10 |
N/A | 454 | November 5, 2013 |
| OfferSoft |
2/10 |
N/A | 394 | January 22, 2015 |
| OfferssDirect |
2/10 |
N/A | November 15, 2017 | |
| OffersWizard |
2/10 |
Generic PUA JF [Sophos] Win32:Amonetize-CW [PUP] [Avast] Trojan.Win32.Downloader.av [Baidu-International] |
151,310 | September 24, 2015 |
| Offertz |
1/10 |
N/A | 7,503 | October 8, 2014 |
| Office Central de Lutte contre la Criminalité Ransomware | N/A | August 16, 2012 | ||
| Office Work Suite |
 5/10 |
N/A | 20 | January 11, 2018 |
| Officebusinessupplies.com | N/A | August 30, 2013 | ||
| Official-survey.co | N/A | December 15, 2014 | ||
| OfficialInternetUpgrades.net | N/A | January 7, 2015 | ||
| Officialsurvey.org | N/A | July 16, 2013 | ||
| Oficina Virtual de Denuncias Virus (Ransomware) | N/A | October 23, 2012 | ||
| Oficla |
 8/10 |
Mal/Hrup-A [Sophos] W32/Skintrim.DVYD [Norman] Win32/Lipler.B!packed [eTrust-Vet] |
620 | April 28, 2010 |
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