Emo-899 Virus

 Virus Name:  Emo-899 
 Aliases:     Emo 
 V Status:    Rare 
 Discovered:  April, 1993 
 Symptoms:    .COM file growth; system hangs on Tuesdays 
 Origin:      Israel 
 Eff Length:  899 Bytes 
 Type Code:   PNCK - Parasitic Non-Resident .COM Infector 
 Detection Method:  AVTK, ViruScan, IBMAV, F-Prot, Sweep, 
                    NAV, NAVDX, VAlert, PCScan, ChAV, 
                    NShld, NProt, AVTK/N, Sweep/N, NAV/N, Innoc, IBMAV/N, 
 Removal Instructions:  Delete infected files 
 General Comments: 
       The Emo-899 virus was submitted in April, 1993, and is from 
       Israel.  Emo-899 is a non-resident, direct action infector of 
       .COM programs, including COMMAND.COM. 
       When a program infected with the Emo-899 virus is executed, this 
       virus will infect all of the .COM programs located in the current 
       directory.  Infected programs will have a file length increase of 
       899 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 are encrypted within 
       the Emo-899 viral code: 
       The Emo-899 virus contains some destructive code intended to format 
       the C: drive, but due to a bug in the code, it doesn't work. 
       Instead, execution of an infected program on a Tuesday will result 
       in a system hang. 

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