Flagyll Family
Description Flagyll Family
These are dangerous memory resident viruses. They hook INT 21h and overwrite .EXE-files that are executed. They contain the internal text strings: "-=[Crypt Newsletter 13]=-", "EXE COM" and
"Flagyll.316,318": Flagyll
"Flagyll.369,371": Flagyll-Z
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Lyby.612
Description Lyby.612
It is not a dangerous memory resident parasitic virus. It hooks INT 21h and writes itself to the beginning of COM files that are executed. On Thursday 1st it displays the picture:
? ?
/|/|¦ ¦
The virus contains the text strings:
Matrix V2.04 by LyByYy,COPYRIGHT (C) 1992
Lyceum Family
Description Lyceum Family
These are not dangerous memory resident parasitic viruses. They hook INT 8, 9, 21h and write themselves to the end of COM and EXE files ("Lyceum.1975" infects COM files only).
If the keys were not pressed during a long time, these viruses display a message in Russian. "Lyceum.1832" contains the text:
Welcome to Lycee of Information Technologies !
"Lyceum.1888,1950" display:
+------------------------------------------------------------------+
¦ You are welcome ! ¦
¦ Moscow Institute of Radioengineering, Electronics and Automation ¦
¦ Moscow ¦
¦ Vernadsky Avenue 78 ¦
¦ Phone of MIREA: 433-00-66 ¦
+------------------------------------------------------------------+
"Lyceum.703" depending on its internal counter creates the README.!!! file and writes to there a message in Russian.
"Lyceum.944" depending on the current date encrypts MBR of hard drive.
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