| Family | Has Image | Versions |
|---|---|---|
| Z-Demon | 7 | |
| Z-downloader | 4 | |
| ZED | 1 | |
| ZFriends Takeover | 1 | |
| ZKT | 1 | |
| ZML | 1 | |
| ZOMBOT | 1 | |
| ZOOM | 2 | |
| ZSpyII | 1 | |
| ZUD | 1 | |
| ZXShell | 3 | |
| ZZ | 1 | |
| ZZK | 1 | |
| Zalivator | 8 | |
| Zaratustra | 1 | |
| Zdziubus | 1 | |
| Zend | 1 | |
| Zenmaster | 1 | |
| Zenyth Bad Bot | 1 | |
| Zenyth Downloader | 3 | |
| Zer0 Tolerance | 2 | |
| ZeroHacker | 1 | |
| Zetronic | 1 | |
| Zeus | 1 | |
| Zhangpo | 1 | |
| Zim Backdoor | 1 | |
| Zimenok | 6 | |
| Zirgt | 1 | |
| Ziuulogger | 1 | |
| Zlodziej | 2 | |
| Znajdz i Wyslij | 1 | |
| ZombieRat | 2 | |
| Zomby | 3 | |
| Zynber Remote | 1 | |
| zGET | 3 | |
| zzmm | 1 |