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

Backdoor.Threadsys

Risk Level 1: Very Low

Discovered:
January 10, 2004
Updated:
February 13, 2007 12:16:00 PM
Type:
Trojan Horse
Systems Affected:
Windows

Backdoor.Threadsys is a backdoor Trojan horse that connects to a predefined server and sends confidential information, including system information and captured keystrokes. The Trojan can receive information, allowing unauthorized remote access.

Antivirus Protection Dates

  • Initial Rapid Release version January 12, 2004
  • Latest Rapid Release version March 23, 2017 revision 037
  • Initial Daily Certified version January 12, 2004
  • Latest Daily Certified version March 23, 2017 revision 041
  • Initial Weekly Certified release date January 14, 2004
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Eric Chien

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