What is Fleercivet


Vulnerable computer systems and applications:

Windows OS.


Fleercivet is a malicious software code, also known as a Trojan. It infects computers via spam, contaminated external data carriers, or is brought about by another malware on the device. It does the following on an infected computer:

  • Modifies system register;
  • Inserts malicious code into your Internet Explorer browser, changes settings in other browsers;
  • Infects operating system processes;
  • Connects to a remote C&C (Command & Control) server, transmits information about the infected computer, and receives a list of websites;
  • Runs an invisible Internet Explorer browser window where it visits sites from the received list and clicks on advertisement links.


Recommendations in case of infection:

  • Scan the device with anti-virus software;
  • Remove malicious plugins and add-ons installed in your browsers, and restore original settings;
  • Restore the modified registry library and infected system files via System Restore;
  • If you think you are not able to clean and protect your device, contact your IT specialists for help.