NOTE: On 21st of May 2002, a new virus using this hoax was found. The virus sends messages coming apparently from Symantec corporation and contains a warning on the JDBGMGR hoax - plus a virus attached to it.

In April 2002 there appeared a hoax message concerning a new virus that was reportedly discovered in Windows utility JDBGMGR.EXE. The jdbgmgr is a standard windows component that is found in every windows installation, it is used as Java debugger manager in Microsoft Java runtime engine. We checked several versions of this utility from Windows installations and found nothing malicious in them.

Please ignore this hoax or anything similar warning about jdbgmgr.exe and don't pass it on.

If you have deleted jdbgmgr.exe, please see Microsoft knowledgebase article Q322993 for instructions how to restore your system: http://support.microsoft.com/default.aspx?scid=kb;en-us;Q322993

Please note that some e-mail worms (for example, Magistr) might sometimes send an infected JDBGMGR.EXE in an e-mail attachment, but this infection is caused by Magistr not JDBGMGR by itself. So the bottom line is, if you receive JDBGMGR.EXE or any other windows component by email, it is most probably a file infected by a virus. If you find JDBGMGR.EXE from your system directory, it is most probably a clean file.

Here's the original hoax message:

---Begin Hoax Text -------------------------------------------

  I have been informed that the following   file is a virus that may be in you C drive.