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


Risk Level 1: Very Low

December 20, 2002
February 13, 2007 11:50:42 AM
Also Known As:
Downloader-BN.b [McAfee]
Trojan Horse
Systems Affected:

Backdoor.Lala is a Trojan Horse that allows unauthorized access to a compromised computer. The Trojan opens TCP/UDP port 4627, 1149, or 1877 to allow remote access. The Trojan attempts to steal confidential information (such as cached passwords and cookies), log keystrokes, and allow for remote file execution.

Backdoor.Lala is written in the Borland Delphi programming language and is compressed with tElock.

Note: The W32.Sobig.A@mm worm can download Backdoor.Lala.

Antivirus Protection Dates

  • Initial Rapid Release version December 23, 2002
  • Latest Rapid Release version March 23, 2017 revision 037
  • Initial Daily Certified version December 23, 2002
  • Latest Daily Certified version March 23, 2017 revision 041
  • Initial Weekly Certified release date December 24, 2002
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Yana Liu

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