Virus Database

Antibase.1900

Description Antibase.1900

It's a not dangerous memory resident encrypted parasitic virus. It hooks INT 21h and writes itself at the beginning of COM- and into the middle of EXE-files which are accessed. It displays the message:
********************************
<<<< AntiDBASE by Michael >>>>
********************************
So what?
So fuckin' what?
I've been a nasty, I've been a brighter
I've been a wizz for two - So what?
And I've been here, I've been there
And I've been here and fuckin' there - So what?
_______________________
So What, Metallica 1992

It contains the additional text strings:
Kill'em all
Seek&Destroy
This program is written in the city of Sofia by Michael.
March 1994
HEY,STUPID,GET AWAY**Unallocated

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NMSG.214

Description NMSG.214

It is a dangerous nonmemory resident parasitic virus. It searches for .EXE files, then writes itself into the file middle. The file length does not grow, but the virus may corrupt the files while infecting them. The virus contains the text string:
*.exe <<NMSG>>

While infecting the virus overwrites the area of Microsoft C error messages. That area presents in EXE files compiled with MSC compiler, and contains the text strings:
<<NMSG>>
R6000 - stack overflow
R6003 - integer divide by 0

e.t.c. While infecting the virus searches for the string
<<NMSG>>

in the file body, then overwrites that area with the virus code.

No25.1744

Description No25.1744

These are not dangerous memory resident parasitic stealth viruses, "No25.1894" is encrypted. They hook INT 21h and write themselves to the end of COM and EXE files that are executed or closed. The viruses use anti-debugging tricks. Depending on their counters they display the message:
Made in No.25 middle school which lived in Beijing China.

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