House Virus

 Virus Name:  House 
 V Status:    Rare 
 Discovered:  December, 1992 
 Symptoms:    .EXE file corruption; programs fail to execute properly; 
              unexpected access to A: and B: drives 
 Origin:      Unknown 
 Eff Length:  11,636 Bytes OW 
 Type Code:   ONE - Non-Resident Overwriting .EXE Infector 
 Detection Method:  AVTK, Sweep, F-Prot, NAV, ViruScan, IBMAV, 
                    NAVDX, VAlert, 
                    Sweep/N, AVTK/N, NAV/N, NShld, NProt, IBMAV/N 
 Removal Instructions:  Delete infected files 
 General Comments: 
       The House virus was submitted in December, 1992.  Its origin or 
       point of isolation is unknown.  House is a non-resident, direct 
       action overwriting virus which infects .EXE programs on the A: 
       and B: diskette drives. 
       When a program infected with the House virus is executed, the 
       House virus will infect all .EXE programs located in the current 
       directories on the A: and B: drive which are larger than 11,636 
       bytes.  Infected programs will have the first 11,636 bytes over- 
       written by the House virus, permanently corrupting them.  The 
       file's date and time in the DOS disk directory will not be 
       altered, and the file's length will not be changed.  The following 
       text strings can be found in the House viral code in all infected 
               "*.exe rb rb rb+" 
       Programs infected with the House virus will not function properly, 
       and will either return the user to the DOS prompt, or unexpected 
       results may occur. 

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