Recently, we blogged about systems compromised by W32.Virut that were observed downloading W32.Waledac.D (Kelihos). Symantec has followed the Waledac evolution for a number of years and have observ
Category: Backdoor.Tidserv
Tidserv (a.k.a. TDL) is a complex threat that employs rootkit functionality in an attempt to evade detection. The malware continues to be on the Symantec radar since its discovery back in 2008. The
In mid-2009 W32.Changeup, a polymorphic worm written in Visual Basic, was first discovered on systems around the world. Over the last few years, we have profiled this threat, explained why it sprea
A Master Boot Record (MBR) is an area of the hard disk (usually the first sector) used by a computer to perform start up operations. It is one of the first things to be read and executed by the com