Here is some data from an isp mail server (out of 384k delivered messages).41% of all mail traffic was the Klez virus.
top 10 Viri by messages (percentage by delivered messages)
1144 ( 0.41) W32/Klez.h@MM
83 ( 0.03) W32/Nimda.htm
40 ( 0.01) W32/SirCam@MM
33 ( 0.01) W32/Magistr.b@MM
30 ( 0.01) W32/Hybris.gen@MM
23 ( 0.01) W32/Yaha.g@MM
Here is a better formated list.
top 10 Viri by messages (percentage by delivered messages)
1144 ( 0.41) W32/Klez.h@MM
83 ( 0.03) W32/Nimda.htm
40 ( 0.01) W32/SirCam@MM
33 ( 0.01) W32/Magistr.b@MM
30 ( 0.01) W32/Hybris.gen@MM
23 ( 0.01) W32/Yaha.g@MM
Here is some data from an isp mail server (out of 384k delivered messages) .41% of all mail traffic was the Klez virus.
top 10 Viri by messages (percentage by delivered messages)
1144 ( 0.41) W32/Klez.h@MM
83 ( 0.03) W32/Nimda.htm
40 ( 0.01) W32/SirCam@MM
33 ( 0.01) W32/Magistr.b@MM
30 ( 0.01) W32/Hybris.gen@MM
23 ( 0.01) W32/Yaha.g@MM