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Details
Vofca Family
These are very dangerous overwriting viruses. They write themselves to the beginning of the file and do not save/restore original file header. The viruses contain the text:
VoFcA
Vofca.174
It is a memory resident virus. When an infected file is executed, the virus hooks INT 21h, displays the message:
EXEC failure
and returns to DOS. When any file is executed, the virus overwrites it.
Vofca.238,275
These viruses search for .COM and .EXE files and overwrite them, then display the message:
Incorrect DOS version
and return to DOS. These viruses also contain the text:
\/ar Cannibal Animal |