Joan.480
Description Joan.480
It is not a dangerous memory resident parasitic virus. It hooks INT 21h and stays memory resident. On FindFirst FCB calls (DIR command, INT 21h, AH=11h) it searches for SYS files and writes itself to the end of the file. On April 15th it displays the message:
Joan v6.23 by KiKo NoMo
Happy Birthday to you, Joan
KiKo
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Mnemonix family
Description Mnemonix family
It is a harmless nonmemory resident parasitic encrypted virus. It searches for .COM files and writes itself to the end of the file. It contains the texts:
[C6H12O6]
Blood Sugar by MnemoniX
Mobius.231
Description Mobius.231
It is a harmless nonmemory resident parasitic virus. It searches for .COM files, then writes itself to the end of the file. The virus does not manifest itself, it contains the text strings:
ORION Mobius
*.COM
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