TROJAN

Hard worker — malicious software (6)

Solution has appeared in 2 crosswords (2 across and 0 down):

• Quick crossword No 16,696 — 2023-11-09 00:00:49
  12A: Type of malware; hard worker (6)
• Quick crossword No 16,239 — 2022-05-24 23:00:19
  14A: Hard worker — malicious software (6)