Virus Database


Helicopter.777.a

Description Helicopter.777.a

It is not a dangerous memory resident parasitic virus. It hooks INT 10h, 21h and infects .COM files that are executed. While infecting the virus search for zero bytes are in the file body, and writes itself to there. If there is no such are, the virus does not infect the file. The file length does not grow while infecting.
When the video mode is changed to graphic mode 5 (INT 10h, AX=0005h), the virus draws an image of helicopter.

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Atomic Family

Description Atomic Family

These are dangerous not memory resident viruses. They search for .COM-files only and infect them. "Atomic.2332,371,480" are overwriting viruses, they write their bodies instead of the file. Other "Atomic" viruses are parasitic ones and write themselves at the file end.
These viruses contain the text string "*.COM", they contain several other strings, some of them are displayed by the viruses, then the viruses reboot or hang the computer up.
"Atomic.232,350" displays the last strings on error during file infection:
"Atomic.232":
The Tricky Dicky Virus
*.COM [TrickyDicky] Created in the city of Toronto
Bad command or file name
Fail on INT 24 .. NOT!!

"Atomic.350":
[TAD2A] Created by Memory Lapse of Ontario, Canada
[TAD2A] The Atomic Dustbin 2A - Just Shake Your Rump!
Fail on INT 24 .. NOT!!

"Atomic.371" on 25th of every month displays the second string, the last string is displayed on any execution:
[TAD1A] Memory Lapse -- Toronto, CANADA
The Atomic Dustbin 1A -- This is just the first step
Bad command or file name

"Atomic.480" displays the second string on 1st of every month, on 26th it types the last string:
[TAD1B] Memory Lapse -- Toronto, CANADA
The Atomic Dustbin 1B --
This is almost the second step
Program execution terminated
The Atomic Dustbin - YOUR PHUCKED!

"Atomic.831":
*.COM COMMAND.COM DOSCOMMAND.COM
Copyright (c) 1993 Memory Lapse - Ontario, Canada
[TAD2B]-The-Atomic-Dustbin-2B
Unable to infect program
Fail on INT 21
+------------------------------------------+
The Atomic Dustbin 2B - I'm Here To Stay
+------------------------------------------+

Attack.3584

Description Attack.3584

It is a very dangerous nonmemory resident parasitic virus. It searches for .COM and .EXE files, as well as for C:DNDN.COM, C:MOUSE.COM, C:MOUSEMOUSE.COM, C:NCNC.EXE files, then writes itself to the end of the file. Depending on the system conditions the virus creates the C:DOSMBS.TXT file, erases the CMOS and disk sectors, displays the message:
mAsSiVe AtTaCk

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