by Berislav Kucan
- Monday, 23 December 2002.
Sophos' 2002 virus chart contains the top ten viruses, as reported to the customer support service. Klez
topped monthly charts for seven months this year - officially making itself 2002's most prolific virus. The second most common virus was the BugBear
worm, which makes the number two slot even though it was only detected in October 2002. In third place comes Badtrans
, the password stealing worm which was first detected in November 2001. Other viruses are presented in the chart below.