Milena Virus

 Virus Name:  Milena 
 V Status:    Rare 
 Discovered:  May, 1992 
 Symptoms:    .COM & .EXE growth; decrease in total system & available free 
 Origin:      Unknown 
 Eff Length:  1,160 Bytes 
 Type Code:   PRhAK - Parasitic Resident .COM & .EXE Infector 
 Detection Method:  ViruScan, AVTK, F-Prot, Sweep, NAV, 
                    IBMAV, NAVDX, VAlert, PCScan, ChAV, 
                    NShld, Sweep/N, Innoc, NProt, AVTK/N, LProt, IBMAV/N, 
 Removal Instructions:  Delete infected files 
 General Comments: 
       The Milena virus was submitted in May, 1992.  Its origin or point of 
       isolation is unknown.  Milena is a memory resident infector of .COM 
       and .EXE programs, including COMMAND.COM. 
       When the first Milena infected program is executed, the Milena virus 
       will install itself memory resident at the top of system memory but 
       below the 640K DOS boundary.  Interrupt 12's return will not be 
       moved.  Total system and available free memory, as indicated by the 
       DOS CHKDSK program, will have decreased by 1,184 bytes.  Interrupt 
       21 will be hooked by Milena in memory.  Also at this time, the 
       Milena virus will infect COMMAND.COM if it was not previously 
       Once the Milena virus is memory resident, it will infect .COM and 
       .EXE programs when they are executed or opened.  Programs infected 
       with the Milena virus will have a file length increase of 1,160 
       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 can be found within the 
       viral code in Milena infected programs: 
               "I Love Milena..." 
       It is unknown if Milena does anything besides replicate. 

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