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Removing the Citadel Trojan Virus

Last Updated: Wed, 26 Aug 2015 > Related Articles

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Learn more about the Citadel Trojan virus and how to remove it.


Cox Communications is dedicated to protecting the Internet experience of our customers. We notify customers when their computer systems may be infected with a virus or other malicious software. Citadel is a Trojan horse virus that steals confidential information from the computers it compromises.

The following are common types of stolen information.

  • Online credentials
  • Banking information
  • Credit card numbers
  • Social security numbers

Citadel can also be used as ransomware, which locks an infected computer to force the user to pay the hackers to unlock the device.

Removal Instructions

This malicious software has many forms and versions. While no utility can always detect and remove all versions from all operating systems, Cox recommends the following free tools as they may be effective to remove Citadel.

Choose a removal tool that best suits your needs. All computers connected to the Internet should be scanned for virus removal.


Further assistance is available at Cox Tech Solutions.

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