Virus Database

Wrzod.1043

Description Wrzod.1043

It's a not dangerous not memory resident parasitic encrypted virus. It searches for .COM-files and writes itself to their ends. Each 5th generation of this virus beeps by PC speaker and displays the message:
Hello !!! My name is Wrzod. I'm fucking your PC now !!!
By Shadow Man all

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Atas Family

Description Atas Family

These are non memory resident (except "Atas.1268") harmless viruses. One part of viruses body is encrypted. After getting start the viruses infect COM-files of current directory. When virus hits a file the message like "OK." or "I like to travelall" can appear on the screen. The viruses contain texts: "*.COM" and
"Atas.384": ATAS(Kiev) V3.03 Cr.91.10.11
"Atas.400": ATAS V0.1 Cr.24.01.92
"Atas.1268": ATAS Corporation.(C)Copyright (B)BadWare

"Atas.1268" is the memory resident virus. If the key PrintScreen is pressed then this virus "falls" all the letters on the screen. It also hooks INT 5, 21h.
Atas.3215,3233,3321
These are not dangerous memory resident encrypted stealth viruses. They hook INT 8, 10h, 16h, 1Ch, 21h and write themselves at the end of COM-files are accessed. These viruses contain the text strings:
bye
music
letters
isplay
Bye-Bye.
ATAS Corporation.(B)1992 ,V1 Created in the Kiev by ATAS.

These infectors check the keyboard input and compare the text entered with a words 'bye', 'music', 'letters', 'isplay'. They manifest themselves in case of word: 'music' - they play the tune; 'letters' - they 'drop' the screen letters; 'isplay' - they change the cursor position; 'bye' - they type 'Bye-Bye.' and remove the virus TSR part from the memory.

ATB.1522.a

Description ATB.1522.a

It is not a dangerous memory resident parasitic virus. It hooks INT 21h and writes itself to the end of COM and EXE files that are executed. Depending on its counter the virus displays the message:
Welcom jion in A block troop of Computer
This virus made by ATB(1991/4)

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