Below are possible answers for the crossword clue Hard worker - malicious software.
6 letter answer(s) to hard worker - malicious software
TROJAN
a native of ancient Troy
a program that appears desirable but actually contains something harmful; "the contents of a trojan can be a virus or a worm"; "when he downloaded the free game it turned out to be a trojan horse"
of or relating to the ancient city of Troy or its inhabitants; "Trojan cities"
Proverbially a hard-working person
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