FRISK Software International

Please note that these pages include descriptions of only a fraction of all the malware F-Prot Antivirus detects. F-Prot Antivirus now detects a total of 2119958 worms, viruses and other malicious programs, with dozens of new threats added every week.

Name of Virus Date Discovered
W32/Zafi.A@mm 20 Apr 2004
W32/Zafi.B@mm 11 Jun 2004
W32/Zafi.C@mm 27 Oct 2004
W32/Zafi.D@mm 14 Dec 2004
W32/Zafi.G@mm 26 Sep 2005
W32/Zasran.A 23 May 2006
W32/Zasran.B 24 May 2006
W32/Zoher@mm 25 Dec 2001
W32/Zotob.A 14 Aug 2005
W32/Zotob.B 15 Aug 2005
W32/Zotob.C@mm 15 Aug 2005
W32/Zotob.D@mm 21 Aug 2005
W32/Zotob.E 24 Aug 2005
W32/Zotob.F 16 Sep 2005
W32/Zotob.G 16 Sep 2005

Stay up to date with important developments via e-mail.
Stay up to date with life cycle policies for F-PROT Antivirus for Windows.
Virus news and information directly to your desktop.
Definitions of common antivirus terminology.
For further virus information, please try our partners' websites:


perComp Verlag
(in German)