KUALA LUMPUR -- 18 April, 2002 -

Date	April 18, 2002
Name	W32.Klez.H@mm
Threat Assessment	Upgraded to Level 3
Description	*    Subject of email: random *    Name of attachment: random The worm attempts to disable on-access virus scanners and some previously distributed worms (such as W32.Nimda and CodeRed) by stopping any active processes. The worm removes the startup registry keys used by antivirus products and deletes checksum database files. Due to the nature of the worm, customers may have to reintstall their antivirus software as some files may have been damaged by the worm. As usual, customers are encouraged to update their virus definitions to protect from this worm and other potential threats.
Definitions From Symantec	Available. For further information please visit: http://securityresponse.symantec.com/avcenter/venc/data/w32.klez.h@mm.html.
Symantec Security Response	Symantec Security Response is one of the industry’s largest dedicated team of virus experts. With offices located in the United States, Japan, Australia and the Netherlands, the sun never sets on Symantec Security Response. The centre’s mission is to provide swift, global responses to computer virus threats, proactively research and develop technologies that eliminate such threats and educate the public on safe computing practices. As new computer viruses appear, Symantec Security Response develops identification and detection for these viruses and provides either a repair or delete operation, thus keeping users protected against the latest virus threats http://securityresponse.symantec.com.
Symantec:	Symantec, the world leader in Internet security technology, provides a broad range of content and network security software and appliance solutions to individuals, enterprises and service providers. The company is a leading provider of client, gateway and server security solutions for virus protection, firewall and virtual private network, vulnerability management, intrusion detection, Internet content and e-mail filtering, remote management technologies and security services to enterprises and service providers around the world.  Symantec’s Norton brand of consumer security products is a leader in worldwide retail sales and industry awards.  Headquartered in Cupertino, Calif., Symantec has worldwide operations in 38 countries.  For more information, please visit www.symantec.com.sg.