Weird.1800
Description Weird.1800
It is not a dangerous nonmemory resident encrypted parasitic virus. It searches for .COM files, then writes itself to the end of the file. While infecting files the virus temporary renames them with TXT file name extension.
The virus deletes the anti-virus data files: CHKLIST.MS, CHKLIST.CPS, ANTI-VIR.DAT. The virus creates/overwrites the C:DOSMSD.INI file with the text:
You are now looking at the name/passwords of your network!
Greetings, ThE wEiRd GeNiUs.
Check your MSD.INI once in a while!
The virus then leaves a memory resident program that hooks INT 16h, 21h and when LOGIN is executed, hooks keys that are entered and stores it in C:DOSMSD.INI file. On 1st of any month the virus prints that file.
The virus also contains the text:
LOGIN
PRN PATH=*.COM .TXT
TBDRVX COMM CHKLIST.MS CHKLIST.CPS ANTI-VIR.DAT
GETPASS! V3.X
Check other viruses! Be aware! Use Antiviral Software
Ekoterror
Description Ekoterror
It's a memory resident dangerous multipartite stealth virus. On execution of infected file it writes itself into MBR of hard drive (it occupies the sectors from 0/0/1 till 0/0/5 - track/head/sector) and returns the control to the host program. On loading from infected sector it hooks INT 8, 13h, then by using INT 8 it hooks INT 21h and writes itself at the beginning of the .COM-files on their creating.
Sometimes it decrypts and types:
EkoTerror (C) 1991 ATK-toimisto P.Linkola Oy
Kovalevysi on poistettu käytöstä luonnonsuojelun nimessä.
Vihreässä yhteiskunnassa ei saa olla ydinsähköllä toimivia kovalevyjä.
and then hangs up the computer. It infects incorrectly some types of hard drives, DOS hangs up on loading in these cases.
ELCN.374
Description ELCN.374
These are not dangerous nonmemory resident parasitic viruses. They search for COM files, then write themselves to the beginning of the file. "ELCN.374" does not infect the COMMAND.COM files. The viruses display the messages in Russian. They also contains the texts:
"ELCN.374": COMMAND.COM
"ELCN.424": Bryansk ELCN
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