Se, nonostante tutte le precauzioni prese, il vostro computer è stato infettato da un virus worm, avast! Virus Cleaner potrebbe aiutarvi a risolvere il problema. Tale programma, infatti, permette di ricercare ed eventualmente eliminare in modo del tutto automatico dal proprio PC una serie di worm e virus molto diffusi. I virus worm attualmente identificati sono i seguenti: Win32:Badtrans [Wrm]; Win32:Beagle [Wrm] (aka Bagle), variants A-L, U, W-Z, AA-AH; Win32:Blaster [Wrm] (aka Lovsan), variants A-I; Win32:BugBear [Wrm], including B-H variants; Win32:Ganda [Wrm]; Win32:Klez [Wrm], all variants (including variants of Win32:Elkern); Win32:MiMail [Wrm], variants A, C, E, I-N, Q, S-V; Win32:Mydoom [Wrm] (variants A, B, D, F-N - including the trojan horse); Win32:Nachi [Wrm] (aka Welchia, variants A-K); Win32:NetSky [Wrm] (aka Moodown, variants A-Z, AA-AB); Win32:Nimda [Wrm]; Win32:Opas [Wrm] (aka Opasoft, Opaserv); Win32:Parite (aka Pinfi), variants A-C; Win32:Sasser [Wrm] (variants A-F); Win32:Scold [Wrm]; Win32:Sircam [Wrm]; Win32:Sober [Wrm], variants A-G; Win32:Sobig [Wrm], including variants B-F; Win32:Swen [Wrm], including UPX-packed variants; Win32:Yaha [Wrm] (aka Lentin), all variants; Win32:Zafi [Wrm] (variants A-B).