Virus Name: 1210
V Status: Rare
Discovery: December, 1989
Symptoms: .EXE growth; disk write failure; TSR
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,
Removal Instructions: F-Prot, NAV, or delete infected files
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.