Klepavka Virus

 Virus Name:  Klepavka 
 V Status:    New 
 Discovered:  January, 1995 
 Symptoms:    .COM file growth; file date/time changes; TSR 
 Origin:      Unknown 
 Eff Length:  881 Bytes 
 Type Code:   PRsCK - Parasitic Resident .COM Infector 
 Detection Method:  F-Prot, AVTK, IBMAV, ViruScan, Sweep, NAV, 
                    NAVDX, VAlert, PCScan, ChAV, 
                    AVTK/N, IBMAV, NShld, Sweep/N, NProt, NAV/N, Innoc 4.0+ 
 Removal Instructions:  Delete infected files 
 General Comments: 
       The Klepavka virus was received in January, 1995.  Its origin or 
       point of isolation is unknown.  Klepavka is a memory resident 
       infector of .COM files, including COMMAND.COM. 
       When the first Klepavka infected program is executed, this virus 
       will become memory reside as a low system memory TSR of 
       approximately 1.4K.  Interrupt 21 will be hooked by the virus in 
       Once the Klepavka virus is memory resident, it will infect .COM 
       programs when they are executed or opened, but not when they are 
       copied.  Infected programs increase in size by 881 bytes with the 
       virus being located at the end of the file.  The file's date and 
       time in the DOS disk directory listing will have been updated to 
       the current system date and time when infection occurred.  No 
       text strings are visible within the viral code in infected programs. 
       It is unknown what the Klepavka virus does besides replicate. 

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