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Hoax tells people to nix Windows file
By Robert Lemos
Staff Writer, CNET News.com
May 16, 2002, 5:05 PM PT
http://news.com.com/2100-1040-916145.html

An e-mail hoax posing as a virus advisory is surfing across the Internet on a 
wave of PC user naivete.
The fake advisory warns users of the file "jdbgmgr.exe," purportedly a virus 
that damages a victim's computer system two weeks after first infecting the PC. 
The hoax has been forwarded by users who believe they have been infected and 
need to tell other victims to clean out the virus.

In reality, the component is the Java Debugger Manager and is part of the Java 
software installed on all Windows systems. If deleted, its absence could cause 
some Java applets and JavaScript to stop working, said Sharon Ruckman, senior 
director of security response for antivirus company Symantec.

To confuse matters, a virus known as W32.Efortune actually does infect the Java 
Debugger Manager file. However, that virus has failed to spread widely.

"We are seeing quite a bit of users (who are infected) on our online forums," 
said Ruckman. "It's picking up steam."

The month-old hoax has been passed from one would-be Samaritan to another, and 
it can be identified by its text.

"I just got this message from a contact," the e-mail message will generally 
start. "Sure enough, my address book was infected, which means yours will be 
also. I have the fix below. I have both McAfee and Norton Antivirus and neither 
caught it."

"The virus (called jdbgmgr.exe) is not detected by Trend Penicillin, Norton or 
McAfee antivirus systems," it continues. "The virus sits quietly for 14 days 
before damaging the system."

The hoax is nothing new, Ruckman said.

"This is not the first time someone has gone after a system file," she said. A 
year ago, another hoax targeted the system file "sulfnbk.exe," a Windows 
component that restores long file names.


The hoax has been translated into four other languages besides English: 
Spanish, French, Portuguese and Italian.

"If you ever get an e-mail and it tells you to send it out to as many people as 
possible, that should give you pause," Ruckman said.





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