Threat Description

Major

Details

Aliases:Major, Puppet, BBS-1643, MajorBBS
Category: Malware
Type:Virus
Platform: W32

Summary



This virus got widespread in April 1996, because it was available in an infected file called CANCER01.ZIP in ftp site wuarchive.wustl.edu. In addition to the infected files inside CANCER01.ZIP, Major virus has been spread in files called TAP.EXE and FLASH.EXE (PKLited dropper).



Removal


Automatic action

Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.

More

You may wish to refer to the Support Community for further assistance. You also may also refer to General Removal Instructions for a general guide on alternative disinfection actions.



Technical Details



Major tries to interact with the Major BBS system. Without further information on this BBS system, it is impossible to tell what the virus actually tries to do. In any case it tries to access files

\BBSV6\BBSAUDIT.DAT and \BBSV6\BBSUSR.DAT.

Major contains these encrypted texts:
The Major BBS Virus created by Major tomwn to DOS
 Puppet Image Gnat Minion Cindy F'nor
	
	

As many other memory-resident viruses, Major will conflict with some memory managers.

Major virus has been confirmed to be in the wild in several countries.





Description Created: Mikko Hypponen, F-Secure


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