Malware That Changed The World – Magistr

Magistr was one of the most complex viruses to ever hit the internet.

Malware That Changed The World – The Klez Worm

Klez wasn’t as damaging as some of the other notorious worms I’ve written about before but it is still active today, albeit to a far lesser degree than in 2002.

Malware That Changed The World – The Zeus Virus

The return of Zeus is, perhaps, a little surprising as it’s command and control system had been disabled back in March when the Kazakhstani ISP that was administering it was cut off.

Malware That Changed The World – Koobface

Koobface spreads itself by sending intriguing messages to Facebook friends with subject headers that are designed to encourage clicks, such as “You look just awesome in this movie”.

Malware That Changed The World – Bagle

Bagle

The original version of the Bagle virus was designed to stop working after January 04 but there were many other variants created which are still out there today and still causing problems for some users.