1. Symantec/
  2. Security Response/
  3. Backdoor.Jupdate


Risk Level 1: Very Low

November 21, 2004
February 13, 2007 12:30:11 PM
Also Known As:
Backdoor.Win32.Agent.ec [Kaspe, BackDoor-CLH [McAfee]
Trojan Horse
Systems Affected:

Backdoor.Jupdate is a backdoor program that allows a remote attacker to download and execute files on an infected machine.

There is evidence which indicates that Backdoor.Jupdate is installed in the same method as Trojan.Vundo. A computer may get infected when the user visits a web page which exploits the Microsoft Internet Explorer Malformed IFRAME Remote Buffer Overflow Vulnerability (as described in Microsoft Security Bulletin MS04-040).

Antivirus Protection Dates

  • Initial Rapid Release version November 22, 2004
  • Latest Rapid Release version March 23, 2017 revision 037
  • Initial Daily Certified version November 22, 2004
  • Latest Daily Certified version March 23, 2017 revision 041
  • Initial Weekly Certified release date November 23, 2004
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Rodney Andres

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STAR Antimalware Protection Technologies
2016 Internet Security Threat Report, Volume 21
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