1. Symantec/
  2. Security Response/
  3. Joke.Apeldorn


February 13, 2007 11:36:31 AM
Risk Impact:
File Names:
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP


Joke.Apeldorn is a joke program that displays a series of dialog boxes with text in Dutch and distorts the screen image. Then, it pretends to restart the computer in MS-DOS mode and format the C: drive. However, it does not actually do any harm.


Your Symantec antivirus program detects this joke program as Joke.Apeldorn


Joke.Apeldorn is usually a stand-alone executable and requires you to manually execute the program.

Antivirus Protection Dates

  • Initial Rapid Release version October 2, 2014 revision 022
  • Latest Rapid Release version February 1, 2015 revision 020
  • Initial Daily Certified version January 9, 2004
  • Latest Daily Certified version January 26, 2015 revision 023
  • Initial Weekly Certified release date January 14, 2004
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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