Windows malware

This malware rating is compiled from data generated by the Kaspersky Security Network (KSN)

In June, we saw an explosive rise in the number of Koobface modifications – the number of variants we detected jumped from 324 at the end of May to nearly 1000 by the end of June.

As in previous months, this malware rating is compiled from data generated by the Kaspersky Security Network (KSN). However, slightly different methods have been used to select and analyze the data.

In 2008, we wrote about Backdoor.Win32.Sinowal , a malicious program we believed to pose a serious threat, as it employed the most advanced, at the time, virus technologies.

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

Recently we released a product especially for netbooks, so we’re performing compatibility tests on newly released netbooks in an ongoing way.

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

We just described what happens on Kido controlled machines when the spambot Iksmas is installed and launched. However, Kido is also downloading a fake antivirus named SpywareProtect2009.

Last night the Kido (aka Conficker/ Downadup) botnet kicked into action – what everyone’s been on the lookout for since 1st April.

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

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.