Virus Database

Epsilon Family

Description Epsilon Family

These are dangerous memory resident companion viruses. They hook INT 21h and create companion .COM files for .EXE files that are executed.
The "Epsilon.513" virus has bugs and in some cases halts the system. This virus contains the text string:
<Epsilon 1.0 (C) 15.3.1995 B.T.Pir8>

"Epsilon.1498" intercepts GetVector DOS function, and when some program gets INT 21h vector's address, the virus restores the original INT 21h address, waits for 64 keystrokes and then re-hooks INT 21h again. To do that the virus also hooks INT 16h.
This virus does not keep its complete code and data in the memory, but stores the name of the infected file. While infecting an EXE file the virus reads its complete code from that file and writes it to the companion COM file.
Depending on its random counters the virus overwrites the disk sectors with the strings:
<Epsilon 1.9 (C) 27.4.1995 B.T.Pir8 * This virus was written in the city of
Brno, Czechoslovakia (4Ever!), Europe (No such bloody America !). Drink
only Tuzemsky Rum and fuck only Slovak girls ! * A word to AEC, especially
BBS Sysop and Mrnustik & comp. : You are bloody fucked idiots ! I'l destroy
your dirty sickening BBS. Get ready, stupid idiotic lunatics ! Get ready
for WAR !!! * Message to Grisoft : Your AVG 3.3 is nice but not very
succesfull on Epsilon, I'm afraid.>

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Seneca.392

Description Seneca.392

It is a very dangerous nonmemory resident parasitic virus. Being executed it searches for .EXE files and overwrites them. On November, 25th it displays:
HEY EVERYONE!!!
Its Seneca's B-Day! Let's Party!

and erases the sectors of the current drive. Sometimes it also displays:
You shouldn't use your computer so much,
its bad for you and your computer.

and erases the sectors.

Sentinel Family

Description Sentinel Family

These are harmless(?) memory resident parasitic viruses. They hook INT 21h and write themselves to the end of COM, EXE and OVL files that are executed, opened or renamed. These infectors were written in Pascal language. They contain the encrypted text:
You won't hear me, but you'll feel meall (c) 1990 by Sentinel. With thanks
to Borland

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