February 13, 2007 11:54:05 AM
Also Known As:
1701, 1704, 17Y4, 1701, BlackJack, Falling Letters, Jo-Jo, Yap
Systems Affected:

Cascade is a virus originally triggered between October 1 and December 31, 1988. After an infected program is executed, characters on the screen drop down into a pile at the bottom of the display. The original .1701 and .1704 versions of Cascade are widespread, and many minor variants, which vary little from the original, exist today.

The Cascade family of viruses includes nearly 40 strains.

Antivirus Protection Dates

  • Initial Rapid Release version December 20, 2000
  • Latest Rapid Release version January 20, 2018 revision 021
  • Initial Daily Certified version December 20, 2000
  • Latest Daily Certified version January 20, 2018 revision 002
  • Initial Weekly Certified release date pending
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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