F-Secure Virus Descriptions : PCBB

The name of this virus comes from the 'PC Byte Bandit' text which is found in some of the variants.

This virus family was written in Sweden in 1992. First versions of this virus infected only the command interpreter. Later versions are resident and infect all executed COM-files. Some versions also include stealth routines and use variable encryption.

Some of the variants include the following encrypted text:

               <> Demoralized Youth <>
               PCBB, version 3.0
               Written by <: Charlie! :>