Virus Database

Scity Family

Description Scity Family

These are harmless parasitic viruses.
"Scity.678,713" are nonmemory resident ones. They search for .COM files and write themselves to the end of the file.
"Scity.911,928" are the memory resident viruses. They hook INT 21h and write themselves to the end of EXE files that are executed.
They contain the text strings:
"Scity.678": KAKASHKA v2.7 - S. city , 1991
"Scity.713": KAKASHKA v2.8 - S. city , 1991-92
"Scity.911": KAKASHKA v3.21 - S. city , 1991-1992
"Scity.928": KAKASHKA v3.3 - S. city, 1991-92

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BadBoy.1000.c

Description BadBoy.1000.c

This is a harmless memory resident parasitic encrypted virus. It hooks INT 21h and writes itself at the beginning of COM files are executed. This virus uses System File Table on infection. It is divided on 9 blocks of code and data (installation block, data block, INT 21h block e.t.c.). When the virus installs itself into the memory, 8 of these 9 blocks can be rearranged in any order depending on the system timer. On infection the virus saves encrypted image of its TSR copy into the file, so orders of code blocks in two infected file can be different.
The virus contains the text:
Pile of shit
The Worthless Piece of shit virus that is a joke.

BadBoy.1001.a

Description BadBoy.1001.a

This is a harmless memory resident parasitic encrypted virus. It hooks INT 21h and writes itself at the beginning of COM files are executed. This virus uses System File Table on infection. It is divided on 9 blocks of code and data (installation block, data block, INT 21h block e.t.c.). When the virus installs itself into the memory, 8 of these 9 blocks can be rearranged in any order depending on the system timer. On infection the virus saves encrypted image of its TSR copy into the file, so orders of code blocks in two infected file can be different.
The virus contains the text:
Make me better!
The Bad Boy virus, Version 2.0, Copyright (C) 1991

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