In the past month, the Clagger-I trojan has forged an email sent from PayPal, an online payment service provider for eBay users.
Graham Cluley, Sophos' senior technology consultant, said the Clagger-I trojan is a testament to the fact that cyber criminals are constantly developing new attacks along with their spamming campaigns. series to recover illegal profits.
Two new faces in this Top 10 list are MyDoom-AJ - ranked 4th - and Mytob-Z - number 10 - have just been discovered in early April. / 2005. These new computer worm variants quickly rose to a position in the Top 10 rankings for several months. However, their rise in the past month proved their potential danger.
Nyxem-D virus, also known as the Kama Sutra worm - a worm that uses phishing tricks to provide pornographic images and aims to disable security applications - has also awakened 3 consecutive in the Top 10 table.
Although it has been widely warned since the arrival, the Zafi-B worm - formerly Netsky-P - continues to cause damage to users. They deserve the No. 1 position.