Risk Level 1: Very Low

December 15, 2000
October 12, 2017 2:52:54 PM
Infection Length:
512 bytes
Systems Affected:
JandM is a virus that infects the master boot records of hard disks and the floppy disks. Besides having a destructive payload routine, this virus uses encryption in an attempt to hide it’s own virus code.

Antivirus Protection Dates

  • Initial Rapid Release version December 15, 2000
  • Latest Rapid Release version February 13, 2007
  • Initial Daily Certified version December 15, 2000
  • Latest Daily Certified version October 12, 2017 revision 021
  • Initial Weekly Certified release date December 20, 2000
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

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STAR Antimalware Protection Technologies
2016 Internet Security Threat Report, Volume 21
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