Sadist Virus

 Virus Name:  Sadist 
 V Status:    Rare 
 Discovery:   January, 1992 
 Symptoms:    .EXE file growth; unexpected warm reboots of system 
 Origin:      Unknown 
 Eff Length:  1,436 - 1,450 Bytes 
 Type Code:   PNE - Parasitic Non-Resident .EXE Infector 
 Detection Method:  ViruScan, F-Prot, Sweep, AVTK, IBMAV, 
                    NAV, NAVDX, VAlert, PCScan, ChAV, 
                    NShld, LProt, Sweep/N, Innoc, NProt, AVTK/N, 
                    NAV/N, IBMAV/N 
 Removal Instructions:  Delete infected files 
 General Comments: 
       The Sadist virus was received in January, 1992.  Its origin or 
       point of original isolation is unknown.  Sadist is a non-resident, 
       direct action infector of .EXE programs. 
       When a program infected with the Sadist virus is executed, the 
       Sadist virus will search the current directory and infect up to 
       three previously uninfected .EXE programs.  Once the programs have 
       been infected, a warm reboot may occur, or the host program may 
       execute properly. 
       Programs infected with the Sadist virus will have a file length 
       increase of 1,436 to 1,450 bytes with the virus being located at 
       the end of the infected program.  The file's date and time in the 
       DOS disk directory listing will not have been altered.  The 
       following text string can be found within the viral code in all 
       Sadist infected programs: 
               "CopyRight by Vadim V.N.1989" 

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