Trojan-Downloader.Win32.Delf.ain is the biggest malicious program in March. Trojan-Spy.Banker.zq targets 109 banks simultaneously a huge rise on last months Banker.cji. TrojanBAT.formatC.r is the smallest malicious program to wipe your C: disk. Backdoor.win32.Rbot is the most common virus/ worm family, with 3381 modifications of the Haradong family dominating this category.”]
Source: https://securelist.com/malware-miscellany-march-2008/30411/