Threat Encyclopedia

Selected viruses, spyware, and other threats: sorted alphabetically

Major

All three viruses of this family are encrypted, memory resident EXE infectors attacking files when they are executed. Upon attacking a file they install their own service of the interrupt INT 24h (critical error) and INT 23h (Ctrl-Break).

Major.907

In the body of this virus is the text:

The Major BBS Virus_created by Major tom

Major.1644 ,Major.1692

These two viruses differ only in details. When compared to Major.907 they hook also the interrupt INT 8 vector and modify files in the subdirectory BBSV6. In the viruses are encoded texts:

Major.1644:
The Major BBS Virus_created by Major tomTugger
\BBSV6\BBSAUDIT.DAT_
\BBSV6\BBSUSR.DAT_
Puppet
Image
Gnat
Minion
Cindy
F'nor__

Major.1692:
The Major Virus created by Weed and dedicated to the Quantum BBS in Calgary, AB service users)
C:\BBSV6\BBSAUDIT.DAT
C:\BBSV6\BBSUSR.DAT
Puppet
Image
Gnat
Santa
Minion
Cindy
Herman

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