Cidra.D was discovered on 10th of March 2004. It's a trojan proxy, allowing to use users' computers to relay information, i.e. unsolicited email.
Depending on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the suspect file, or ask you for a desired action.
More information on the scanning and removal options available in your F-Secure product can be found in the Help Center.
You may also refer to the Knowledge Base on the F-Secure Community site for more information.
The trojan will add an entry to the Windows registry aiming at being run every time Windows starts. The key will be:
Which will point where the file is initially run from.
Cidra.D does not spread by itself. It was massively spammed.
It will relay connections though infected computers, giving its creator a massively distributed distribution channel for spam and other content.
Detection for this malware was published on March 10th, 2004 in the following F-Secure Anti-Virus updates:
Detection Type: PC