Clickbot.A

Clickbot.A is a piece of malware, an internet bot that is used for click fraud.

The bot was first discovered by Swa Frantzen at SANS' Internet Storm Center in May 2006. At that time, the botnet had infected about 100 machines. The population grew to over 100,000 machines within one month.

The bot was written as a plugin to Internet Explorer that was downloaded by IE users.

References

• The Anatomy of Clickbot.A
• Diary about the discovery