Chinese.2311
Description Chinese.2311
It is not a dangerous memory resident encrypted parasitic virus. It hooks INT 21h and writes itself to the end of .COM and .EXE files that are executed or accessed by DOS function FindFirst/Next FCB (DIR command). Before installing memory resident the virus displays a message in Chinese.
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PI.2048
Description PI.2048
It is a very dangerous memory resident parasitic virus. It hooks INT 8, 13h, 21h, 24h and writes itself to the end of EXE files that are executed or opened. If the day number is equal to the month number, and the minutes are equal to the hour, the virus formats the disk sectors. The virus contains the text strings:
PI v2.0 (C) 1995 BREAM.
Pretorianie niszcza aby tworzycall
Pozdrowienia dla p. Marka Sella skladaja pracodawcy.
Piaf.1859
Description Piaf.1859
It is not a dangerous memory resident parasitic encrypted virus. It hooks INT 21h and infects COM and EXE files that are executed, opened or renamed. It writes itself to the beginning of COM files and to the end of EXE files. It does not infect the files with the names which begins with two symbols that present in the string:
NDIOOSUVRAIVFP
I.e. the virus does not infect the files ND*.*, IO*.*, etc.
If this virus cannot install its TSR copy, it displays the message "Incorrect DOS version" and returns to DOS. While installing it traces INT 13h, 21h and searches for specific code in DOS code area, that information is used while infecting the file to disable antiviral monitors.
Some infected files display when they are executed:
<PIAF> Copyright (c) 1991-1992 by Xxxxx III!
This virus also contains the text strings:
PIAF
EXECOM
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