Date: July 23, 2012

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Yesterday, security experts of FireEye, an American computer security company, said that they had successfully taken down the world’s 3rd largest botnet Grum, a website specializing in sending spam. Experts said that this website is responsible for 18% of global spams. Early on this Tuesday, experts of this company had shut down commands of the botnet, and controlled their servers in Norway and Panama. However, soon network architects of Grum re-established new commands and server control centers in Russia and Ukraine.

Therefore, FireEye, with partners in Russia and SpamHaus in Britain, tracked these spams, and quickly demolished the newly established commands and control centers.

Researchers said that currently they could track the location of the servers of Grum, and then ask the service provider to stop their services.