Dlena.cb is a program from a large family of Trojans with approximately 90 variants. In all this time, theres never been a single user complaint about any program from this family. The number of Trojan spy programs has dropped significantly. IM-Worm.Win32.Sohanadt and not-a-virus:Porn-dialer.i are also of interest. Small.a has managed to spread to a large number of computers, especially in Russia, as a component of other malicious programs.”]
Source: https://securelist.com/online-scanner-top-twenty-for-april-2007/36143/