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Article ID: 322993 - Last Review: December 1, 2007 - Revision: 5.4

This article was previously published under Q322993

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SUMMARY

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.

MORE INFORMATION

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.

Prevention

This is a hoax; no prevention is required.

Recovery

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 Windows 95:

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:
http://www.microsoft.com/mscorp/java/ (http://www.microsoft.com/mscorp/java/)
Windows 2000:

The Windows 2000 File Protection feature will recover the file. For additional information about the Windows 2000 File Protection feature, click the following article number to view the article in the Microsoft Knowledge Base:
222193  (http://support.microsoft.com/kb/222193/EN-US/ ) 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:
253571  (http://support.microsoft.com/kb/253571/EN-US/ ) Description of the System File Protection Feature

REFERENCES

Related Security Information

For additional information about viruses and hoaxes, visit the following third-party Web sites:
http://www.symantec.com/avcenter/venc/data/jdbgmgr.exe.file.hoax.html (http://www.symantec.com/avcenter/venc/data/jdbgmgr.exe.file.hoax.html)

http://vil.nai.com/vil/content/v_99436.htm (http://vil.nai.com/vil/content/v_99436.htm)

http://vmyths.com/ (http://vmyths.com/)
Microsoft 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 information.

For additional security-related information about Microsoft products, visit the following Microsoft Web site:
http://www.microsoft.com/security/default.mspx (http://www.microsoft.com/security/default.mspx)

APPLIES TO
  • Microsoft Windows XP Professional x64 Edition
  • Microsoft Windows XP Home Edition
  • Microsoft Windows XP Professional
  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Professional Edition
  • Microsoft Windows 2000 Datacenter Server
  • Microsoft Windows 95
  • Microsoft Windows 98 Standard Edition
  • Microsoft Windows 98 Second Edition
  • Microsoft Windows Millennium Edition
  • Microsoft Windows NT Workstation 4.0 Developer Edition
  • Microsoft Windows NT Server 4.0 Standard Edition
  • Microsoft Windows NT Server 4.0 Enterprise Edition
Keywords: 
kbinfo kbsecantivirus kbvirus KB322993
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