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


Risk Level 1: Very Low

November 21, 2002
February 13, 2007 11:56:45 AM
Trojan Horse
Systems Affected:

Backdoor.Ripjac is a backdoor Trojan that allows a hacker to gain access to the infected computer. The presence of the file Synchost.exe is an indication of a possible infection. By default, the Trojan opens port 4999 to allow the hacker to remotely control the infected computer.

Antivirus Protection Dates

  • Initial Rapid Release version November 21, 2002
  • Latest Rapid Release version January 15, 2018 revision 004
  • Initial Daily Certified version November 21, 2002
  • Latest Daily Certified version April 24, 2017 revision 007
  • Initial Weekly Certified release date November 21, 2002
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Kaoru Hayashi

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