Hallo.524
Description Hallo.524
It is not a dangerous memory resident parasitic virus. It hooks INT 21h and writes itself to the end of COM-files that are executed. After infection of each file the virus displays the message:
Hallo my dear friend !!!
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Metall.557
Description Metall.557
It is a very dangerous nonmemory resident parasitic virus. It searches for .COM files except COMMAND.COM, then writes itself to the end of the file. The virus infects correctly only COM files that begin with JMP/CALL near instruction, other files stays corrupted after infection.
Depending on the system time the virus mixes letters on the screen, it also contains the text string:
METALLI
Metallica.1103
Description Metallica.1103
This is a harmless memory resident parasitic virus. It hooks INT 21h and infects COM and EXE files. On April, 22th (Vladimir Lenin birthday) it jokes with the screen - it writes random data to the video ports, and the screen starts to twitch and grimace. Under the Windows the screen do not twitch but the vertical and horizontal borders of active window are changed every second.
This infector contains the texts:
Metallica Ver 2.2 AIDSCOMMAND
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