Butt Stink Virus

 Virus Name:  Butt Stink 
 V Status:    Rare 
 Discovery:   January, 1993 
 Symptoms:    .EXE file growth; message displayed 
 Origin:      North America 
 Eff Length:  540 Bytes 
 Type Code:   PNE - Parasitic Non-Resident .EXE Infector 
 Detection Method:  ViruScan, F-Prot, Sweep, NAV, IBMAV, AVTK, 
                    NAVDX, VAlert, PCScan, ChAV, 
                    NShld, Sweep/N, NProt, NAV/N, AVTK/N, IBMAV/N, LProt, 
                    Innoc 4.0+ 
 Removal Instructions:  Delete infected files 
 General Comments: 
       The Butt Stink virus was received in January, 1993, and is probably 
       from North America.  Butt Stink is a non-resident, direct action 
       infector of .EXE programs. 
       When a program infected with the Butt Stink virus is executed, this 
       virus will infect all of the .EXE files located in the current 
       directory.  Infected programs will have a file length increase of 
       540 bytes with the virus being located at the end of the file.  The 
       program's date and time in the DOS disk directory listing will not 
       be altered.  The following text strings are encrypted within the 
       Butt Stink virus' code: 
               "You know what?" 
               "Your Butt Stinks!!!" 
               "And YAM can't stand it!" 
       The last three lines of text above forms a message which will 
       occassionally be displayed on the system monitor when an infected 
       program is executed. 

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