| | | X-Files Stealer | [] | win.xfilesstealer | [] | 2023-12-04 | | | |
| | | XFSADM | [] | win.xfsadm | [] | 2019-07-12 | | | |
| | | XFSCashNCR | [] | win.xfscashncr | [] | 2019-10-04 | | | |
| | | Xiangoop | [] | win.xiangoop | [] | 2024-10-23 | | | |
| | | Xorist | [] | win.xorist | [] | 2023-06-09 | | | |
| | | Xpan | [] | win.xpan | ['TeamXRat'] | 2017-02-15 | | | |
| | | XpertRAT | [] | win.xpertrat | [] | 2023-06-09 | | | |
| | | xsPlus | ['nokian'] | win.xsplus | ['Naikon'] | | | | |
| | | XTunnel | ['Shunnael', 'X-Tunnel', 'xaps'] | win.xtunnel | ['APT28'] | 2022-03-14 | | | |
| | | xxmm | ['ShadowWalker'] | win.xxmm | ['Tick'] | 2021-03-02 | | | |
| | | Yahoyah | ['KeyBoy'] | win.yahoyah | ['Pirate Panda'] | 2017-02-15 | | | |
| | | Yakuza | ['Teslarvng Ransomware'] | win.yakuza_ransomware | [] | 2020-03-27 | | | |
| | | Yanluowang | ['Dryxiphia'] | win.yanluowang | [] | 2023-06-09 | | | |
| | | YaRAT | [] | win.yarat | ['APT31'] | 2022-08-15 | | | |
| | | yayih | ['bbsinfo', 'aumlib'] | win.yayih | [] | 2018-09-19 | | | |
| | | Yoddos | [] | win.yoddos | [] | 2019-07-12 | | | |
| | | YoreKey | [] | win.yorekey | ['Kimsuky'] | 2021-12-15 | | | |
| | | YoungLotus | ['DarkShare'] | win.younglotus | [] | 2018-05-28 | | | |
| | | yty | [] | win.yty | ['APT-C-35', 'Donot Team', 'Viceroy Tiger'] | 2022-01-18 | | | |
| | | ZarDoor | [] | win.zardoor | [] | 2024-03-04 | | | |
| | | Zebrocy | ['Zekapab'] | win.zebrocy | ['APT28'] | 2024-07-10 | | | |
| | | Zedhou | [] | win.zedhou | [] | 2018-07-24 | | | |
| | | zenar | [] | win.zenar | [] | 2021-05-11 | | | |
| | | Zeoticus | [] | win.zeoticus | [] | 2021-02-04 | | | |
| | | ZeroAccess | ['Max++', 'Smiscer', 'Sirefef'] | win.zeroaccess | [] | 2023-11-14 | | | |
| | | ZeroCleare | [] | win.zerocleare | ['OilRig'] | 2023-01-19 | | | |
| | | ZeroT | [] | win.zerot | [] | 2017-02-04 | | | |
| | | Zeus | ['Zbot'] | win.zeus | [] | 2024-03-12 | | | |
| | | ZeusAction | [] | win.zeus_action | [] | 2021-02-01 | | | |
| | | Zeus MailSniffer | [] | win.zeus_mailsniffer | [] | 2016-12-28 | | | |
| | | Zeus OpenSSL | ['XSphinx'] | win.zeus_openssl | [] | 2020-04-01 | | | |
| | | Zeus Sphinx | [] | win.zeus_sphinx | [] | 2022-09-21 | | | |
| | | ZhCat | [] | win.zhcat | [] | 2018-04-17 | | | |
| | | ZitMo | ['ZeuS-in-the-Mobile'] | win.zitmo | [] | 2021-05-25 | | | |
| | | ZiyangRAT | [] | win.ziyangrat | [] | 2020-05-27 | | | |
| | | Zlob | [] | win.zlob | [] | 2020-12-14 | | | |
| | | Zumanek | [] | win.zumanek | [] | 2022-01-05 | | | |
| | | Zupdax | [] | win.zupdax | [] | 2022-05-25 | | | |
| | | LinseningSvr | [] | win.linseningsvr | [] | 2020-05-27 | | | |
| | | Listrix | [] | win.listrix | ['Energetic Bear'] | 2020-04-21 | | | |
| | | LiteDuke | [] | win.liteduke | ['APT29'] | 2020-05-18 | | | |
| | | LOBSHOT | [] | win.lobshot | [] | 2023-07-21 | | | |
| | | LockerGoga | [] | win.lockergoga | ['FIN6'] | 2024-03-13 | | | |
| | | LockFile | [] | win.lockfile | [] | 2022-09-20 | | | |
| | | Locky (Decryptor) | [] | win.locky_decryptor | [] | 2016-04-19 | | | |
| | | LockPOS | [] | win.lock_pos | [] | 2018-02-26 | | | |
| | | LogPOS | [] | win.logpos | [] | 2022-09-19 | | | |
| | | Logtu | [] | win.logtu | [] | 2022-08-11 | | | |
| | | LOLSnif | [] | win.lolsnif | [] | 2021-03-16 | | | |
| | | LONGWATCH | [] | win.longwatch | ['APT34'] | 2021-06-29 | | | |
| | | Lookback | [] | win.lookback | ['TA410'] | 2022-09-30 | | | |
| | | Lorenz | [] | win.lorenz | [] | 2023-02-27 | | | |
| | | Loup | [] | win.loup | [] | 2020-08-25 | | | |
| | | LOWBALL | [] | win.lowball | ['Temper Panda'] | 2021-07-20 | | | |
| | | LOWKEY | ['PortReuse'] | win.lowkey | ['APT41'] | 2022-03-10 | | | |
| | | LOWZERO | [] | win.lowzero | ['Lucky Cat'] | 2023-02-09 | | | |
| | | LPEClient | ['LPEClientTea'] | win.lpeclient | ['Lazarus Group'] | 2023-11-27 | | | |
| | | Luca Stealer | [] | win.luca_stealer | [] | 2022-12-15 | | | |
| | | Lumar | ['PovertyStealer'] | win.lumar | [] | 2024-10-21 | | | |
| | | LunchMoney | [] | win.lunchmoney | ['Leviathan'] | 2019-03-10 | | | |
| | | Lurk | [] | win.lurk | [] | 2016-05-10 | | | |
| | | Lyposit | ['Lucky Locker', 'Adneukine', 'Bomba Locker'] | win.lyposit | [] | 2017-12-29 | | | |
| | | m0yv | [] | win.m0yv | [] | 2023-04-02 | | | |
| | | MadMax | [] | win.madmax | [] | 2016-12-28 | | | |
| | | Magala | [] | win.magala | [] | 2017-08-01 | | | |
| | | Maggie | [] | win.maggie | [] | 2022-10-30 | | | |
| | | MagicRAT | [] | win.magic_rat | ['Lazarus Group', 'Silent Chollima'] | 2023-10-17 | | | |
| | | Magniber | [] | win.magniber | [] | 2024-01-31 | | | |
| | | Mail-O | [] | win.mail_o | [] | 2022-07-29 | | | |
| | | Makadocs | [] | win.makadocs | ['Poseidon Group'] | 2021-07-20 | | | |
| | | MakLoader | [] | win.makloader | [] | 2018-10-03 | | | |
| | | Makop | [] | win.makop | [] | 2023-08-14 | | | |
| | | Maktub | [] | win.maktub | [] | 2023-05-26 | | | |
| | | MalumPOS | [] | win.malumpos | [] | 2018-04-23 | | | |
| | | Mangzamel | ['junidor', 'mengkite', 'vedratve'] | win.mangzamel | ['Red Menshen'] | 2022-08-30 | | | |
| | | ManItsMe | [] | win.manitsme | ['Comment Crew'] | 2018-02-13 | | | |
| | | Manjusaka | [] | win.manjusaka | [] | 2022-08-22 | | | |
| | | Maoloa | [] | win.maoloa | [] | 2023-05-30 | | | |
| | | MAPIget | [] | win.mapiget | ['Comment Crew'] | 2018-02-10 | | | |
| | | Marap | [] | win.marap | [] | 2020-08-28 | | | |
| | | Mariposa | ['Rimecud', 'Palevo', 'Autorun'] | win.mariposa | [] | 2019-10-09 | | | |
| | | Matrix Banker | [] | win.matrix_banker | [] | 2017-07-11 | | | |
| | | Matryoshka RAT | [] | win.matryoshka_rat | ['Rocket Kitten'] | 2017-09-14 | | | |
| | | Matsnu | [] | win.matsnu | [] | 2016-04-19 | | | |
| | | Maudi | [] | win.maudi | [] | 2020-01-27 | | | |
| | | Maui Ransomware | [] | win.maui | ['Silent Chollima'] | 2024-02-08 | | | |
| | | MBRlock | ['DexLocker'] | win.mbrlock | [] | 2018-03-01 | | | |
| | | MBR Locker | [] | win.mbrlocker | [] | 2021-11-22 | | | |
| | | Mebromi | ['MyBios'] | win.mebromi | [] | 2018-06-28 | | | |
| | | MECHANICAL | ['GoldStamp'] | win.mechanical | ['Kimsuky'] | 2023-02-09 | | | |
| | | MediaPI | ['Eyeglass'] | win.mediapi | ['Charming Kitten'] | 2024-03-28 | | | |
| | | MedusaLocker | ['AKO Ransomware', 'AKO Doxware', 'MedusaReborn'] | win.medusalocker | [] | 2024-09-26 | | | |
| | | Meduza Stealer | [] | win.meduza | [] | 2024-08-29 | | | |
| | | MegaCortex | [] | win.megacortex | [] | 2023-01-06 | | | |
| | | MeguminTrojan | [] | win.megumin | [] | 2022-08-28 | | | |
| | | MeltingClaw | [] | win.meltingclaw | [] | 2024-10-29 | | | |
| | | Meow | [] | win.meow | [] | 2023-05-26 | | | |
| | | Merdoor | [] | win.merdoor | [] | 2023-08-28 | | | |
| | | Mespinoza | ['pysa'] | win.mespinoza | [] | 2022-06-27 | | | |
| | | MetadataBin | ['Ransomware32'] | win.metadatabin | [] | 2020-10-29 | | | |