There is a virus hoax that advises customers to delete a
valid Windows file that is named Jdbgmgr.exe. This file is the Microsoft
Debugger Registrar for Java. If you receive the e-mail message that is listed
in the "More Information" section of this article, delete the e-mail message
and do not forward it to others. Although this file may become infected with a
virus, its presence is not an indication of a virus infection.
Contents of the Hoax Message
The Jdbgmgr.exe virus hoax arrives in an e-mail message with the
following body text:
I found the little bear in my machine because of that I am sending this message in order for you to find it in your machine. The procedure is very simple:
The objective of this e-mail is to warn all Hotmail users about a new virus that is spreading by MSN Messenger. The name of this virus is jdbgmgr.exe and it is sent automatically by the Messenger and by the address book too. The virus is not detected by McAfee or Norton and it stays quiet for 14 days before damaging the system.
The virus can be cleaned before it deletes the files from your system. In order to eliminate it, it is just necessary to do the following steps:
1. Go to Start, click "Search"
2.- In the "Files or Folders option" write the name jdbgmgr.exe
3.- Be sure that you are searching in the drive "C"
4.- Click "find now"
5.- If the virus is there (it has a little bear-like icon with the name of jdbgmgr.exe DO NOT OPEN IT FOR ANY REASON
6.- Right click and delete it (it will go to the Recycle bin)
7.- Go to the recycle bin and delete it or empty the recycle bin.
IF YOU FIND THE VIRUS IN ALL OF YOUR SYSTEMS SEND THIS MESSAGE TO ALL OF YOUR CONTACTS LOCATED IN YOUR ADDRESS BOOK BEFORE IT CAN CAUSE ANY DAMAGE.
This is a hoax; no prevention is required.
The Microsoft Debugger Registrar for Java (Jdbgmgr.exe) is only
used by Microsoft Visual J++ 1.1 developers.
If you follow the e-mail
message instructions and delete this file, you do not have to recover it unless
you use Microsoft Visual J++ 1.1 to develop Java programs on Windows XP,
Windows NT 4.0, Windows 98 Second Edition, Windows 98, or Windows 95.
For Windows XP, Windows NT 4.0, Windows 98 Second Edition, Windows 98, and
The Microsoft VM is not available as a Web download. For
information on the availability of the Microsoft VM in Windows XP, visit the
following Microsoft Web site:
The Windows 2000 File Protection feature
will recover the file.
additional information about the Windows 2000 File Protection feature, click
the following article number to view the article in the Microsoft Knowledge
Description of the Windows File Protection Feature
Windows Millennium Edition (Me): The Windows Me
System File Protection feature will recover the file.
For additional information about the Windows Me
File Protection feature, click the article number below to view the article in
the Microsoft Knowledge Base:
Description of the System File Protection Feature
Related Security Information
For additional information about viruses and hoaxes, visit the
following third-party Web sites:
provides third-party contact information to help you find technical support.
This contact information may change without notice. Microsoft does not
guarantee the accuracy of this third-party contact
For additional security-related
information about Microsoft products, visit the following Microsoft Web site: