Microsoft Identifies New Malware Dropping Sefnit Botnet

Plenty has been written about the Sefnit malware family and its favor with using Tor to mask communication, as well as the money it’s made for criminals via click-fraud schemes. Sefnit, however, has had a pair of accomplices that until recently were regarded as harmless programs by most security...

Microsoft remotely deleted Tor-based 'Sefnit Botnet' from more than 2 Million Systems

In October 2013, Microsoft adopted a silent, offensive method to tackle infection due to a Tor-based botnet malware called 'Sefnit'. In an effort to takedown of the Sefnit botnet to protect windows users, Microsoft remotely removes the older versions of installed Tor Browser software and infectio...