Researchers say at least three other projects besides Duqu and Stuxnet were created with Tilded. Tilded is named for developers’ penchant for using file names that start with a tilde symbol and the letter “d” Other likely exploits have yet to be discovered from the same platform, researchers say. Still no real evidence points to the actors behind the attacks using the Tilded platform. Security expert: While Duqu may be related, that doesn’t mean they are necessarily the same operation.”]
Source: https://www.darkreading.com/attacks-breaches/same-toolkit-spawned-stuxnet-duqu-and-other-campaigns