Windows malware

Two Top Twenties have been compiled from data generated by the Kaspersky Security Network (KSN) throughout February 2009.

2007-2008 was the start of a new period characterized by a rapid increase in the number of Trojan programs designed to steal information, mostly related to bank accounts and online games.

Unlike our previous six-month and annual statistical reports, this report is completely based on data collected and processed using the Kaspersky Security Network (KSN).

There have been a lot of variants of Email-Worm.Win32.Iksmas around lately. Now that Valentine’s Day is over, we might have expected to see a few less of them, but no.

Two Top Twenties have been compiled from data generated by the Kaspersky Security Network (KSN) throughout January 2009.

Greediest malicious program targeting payment systems, stealthiest malicious program, most widespread malicious code which exploits a vulnerability, most malicious program and others.

Two Top Twenties have been compiled from data provided by the Kaspersky Security Network (KSN) throughout December 2008

Greediest malicious program targeting payment systems, stealthiest malicious program, most widespread malicious code which exploits a vulnerability, most malicious program and others.

The term MalWare 2.0 is often used in our reports to denote a model for the complex malicious programs which appeared at the end of 2006. The most striking examples, and the initial members of MalWare 2.0 are the Bagle, Warezov and Zhelatin worms.

Two Top Twenties have been compiled from data provided by the Kaspersky Security Network in November 2008.

Greediest malicious program targeting payment systems, stealthiest malicious program, most malicious program and others.

Careful analysis of the file, which was named ‘q3tsk04us13.exe’ (Lenovo Trust Key Software for WinXP) showed that the file in question did indeed contain a virus named Virus.Win32.Drowor.a.

And now we’ve got a sort of three-in-one, a nasty little program called Trojan.Win32.KillProc.am.

October’s two Top Twenties were compiled from statistics received during the month from the Kaspersky Security Network

Greediest Trojan targeting banks, stealthiest malicious program, most common vulnerability on the Internet, most common Trojan family and others.