Simda

Simda was a rather mysterious botnet that had been used for dissemination of third-party potentially unwanted and malicious software. It has a built-in tools to detect and evade emulation, virtual machines and security tools, effectively allowing the bot to stay out of grid – apparently for years.

A peculiar botnet codenamed Simda has been taken down as a result of a joint operation between a number of law enforcement agencies and commercial organizations.

Recently Interpol, Microsoft and Kaspersky Lab revealed and the shut down of a huge botnet which zombified about 770,000 PCs worldwide. Check this story out and then check your PC