Page "Trojan horse (computing)" Paragraph 15

Due to the popularity of botnets among hackers and the availability of advertising services that permit authors to violate their users ' privacy, Trojan horses are becoming more common.

According to a survey conducted by BitDefender from January to June 2009, " Trojan-type malware is on the rise, accounting for 83-percent of the global malware detected in the world.

" This virus has a relationship with worms as it spreads with the help given by worms and travel across the internet with them.