Kamikazi Virus

 Virus Name:  Kamikazi 
 Aliases:     Kamikaze 
 V Status:    Viron 
 Discovered:  August, 1990 
 Symptoms:    Program corruption; system hangs; system reboots 
 Origin:      Bulgaria 
 Eff Length:  4,031 Bytes 
 Type Code:   ONE - Overwriting Non-Resident .EXE Infector 
 Detection Method:  AVTK, NAV, Sweep, F-Prot, PCScan, ChAV, 
                    IBMAV, ViruScan, NAVDX, VAlert, 
                    NShld, Sweep/N, Innoc, AVTK/N, NAV/N, NProt, IBMAV/N, 
 Removal Instructions:  Delete infected files 
 General Comments: 
       The Kamikazi virus was submitted by Vesselin Bontchev of Bulgaria in 
       August, 1990.  This virus is a non-resident overwriting virus, and 
       infects .EXE files. 
       When a program infected with the Kamikazi virus is executed, the 
       virus will infect another .EXE file in the current directory if 
       the .EXE file's length is greater than 4,031 bytes.  Kamikazi 
       simply overwrites the first 4,031 bytes of the candidate program 
       with its viral code, thus permanently damaging the candidate 
       program being infected.  The original 4,031 bytes of code is not 
       stored at any other location. Infected files do not change in 
       After infecting another .EXE program, the virus will then change 
       the first 8 bytes of the infected program that was executed to 
       "kamikazi", thus the virus's name.  At this point, one of several 
       symptoms may appear: the system may be rebooted by the virus, some 
       of the contents of memory may get displayed on the screen, or the 
       program may complete execution having appeared to have done nothing 
       at all.  In any event, the original executed program will never run 
       successfully, doing what the user expects. 
       If the infected program is executed a second time, it will hang the 
       system since it is no longer an executable program.  The .EXE 
       header has been permanently damaged due to the first 8 characters 
       having been changed to "kamikazi" by the virus when it was first 

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