1210 Virus

 Virus Name:  1210 
 Aliases:     Prudents 
 V Status:    Rare 
 Discovery:   December, 1989 
 Symptoms:    .EXE growth; disk write failure; TSR 
 Origin:      Spain 
 Eff Length:  1,210 Bytes 
 Type Code:   PRE - Parasitic Resident .EXE Infector 
 Detection Method:  ViruScan, F-Prot, NAV, AVTK, Sweep, 
                    IBMAV, NAVDX, VAlert, PCScan, ChAV, 
                    NShld, LProt, Sweep/N, Innoc, NProt, AVTK/N, 
                    NAV/N, IBMAV/N 
 Removal Instructions:  F-Prot, NAV, or delete infected files 
 General Comments: 
       The 1210, or Prudents virus, was first isolated in Barcelona, Spain, 
       in December 1989.  The 1210 is a memory resident virus, infecting 
       .EXE files when they are executed. 
       This virus activates between May 1st and May 4th of any year, 
       causing disk writes to be changed to disk verifies, so writes to 
       the disk never occur between these dates. 

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