nightknigh
Webroot Antivirus: The best protection against viruses, spyware data theft and hackers.
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Details
NightKnight
It is a dangerous memory resident parasitic stealth virus. It hooks INT 20h, 21h, 27h, 28h, 2Ah, 2Fh and writes itself to the end of COM and EXE files that are accessed. Depending on the system date it deletes the files instead of infecting them. It contains the text string:
Night Knight!
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