It has 7 versions:
BetaBoys.441 a non-memory resident virus. It searches for .COM-files and infects them. It does not manifest them, however.
It contains the internal text strings:
-+( Severe Head-Ache Virus V2.oo )+- Created by The Vile One & MaZ Copyright (c)1992 The BetaBoys Development Corp. -Sweden 04/19/92-
BetaBoys.450 is a memory resident virus. It copies itself into DOS system area, hooks onto INT 21h and infects .COM files that are currently executed.
On execution of "SCAN.EXE", the virus displays this grammatically incorrect message:
THE WORLD WiLL NEVER FORGETT US! -BetaBoys-
It also contains the internal text:
Blood Rage (c)1992 The BetaBoys
BetaBoys.459 is a non-memory resident virus. It searches for .COM-files and infects them. It erases the disk sectors and deletes these files:
c:\autoexec.bat c:\config.sys \windows\win.com
It contains the text strings:
.com C:\Command.Com C:\Autoexec.Bat C:\Config.Sys \windows\win.com Why Windows (c)1992 MaZ / BetaBoys B.B
BetaBoys.457 and 538 are non-memory resident viruses. They search for .COM-files and infect them.
On May 12th and February 25th they erase these disk sectors: C:, D:, and E: and delete the drives.
"BetaBoys.538" is a encrypted virus. It contains these text strings:
.COM +:+ The Data Molester Virus V1.oo +:+: (c)1992 MaZ & The Vile One / The BetaBoys Development Corporation.
"BetaBoys.457" contains the text:
.COM -+( Severe Head-Ache Virus V2.oo )+- Created by The Vile One & MaZ Copyright (c)1992 The BetaBoys Development Corp. -Sweden 04/19/92-
BetaBoys.575 and 615 are memory resident encrypted viruses.
On execution they copy themselves into the memory on the address 9000:0100 without MCB correction. It can cause some dangerous problems. After that, the viruses hook onto INT 21h and infect .COM files on their execution. They contain the internal text strings:
Mexican Mud (c)1992 MaZ The BetaBoys Development Corp. +Sweden+
DEATH RATTLE V1.OO (c)1992 The BetaBoys Development Corp. +S+W+E+D+E+N+