Malicious Ads on Bing Lead to ZeroAccess Trojan

Search-engine poisoning has been the bane of many Internet users’ existence for a long time, and it’s one of many security problems that seems to not be getting any better. In some ways, it may be getting worse, actually. One of the main problems these days is the use of legitimate-looking ads th...

New 'Nice Pack' Exploit Kit Found, Thousands of Owned Sites Redirecting Users to Attack Site

A new exploit pack has appeared on the scene in the last week or so and it already is causing trouble for users, with thousands of compromised Web sites redirecting users to a page that is hosting the pack and exploiting vulnerabilities on their machines to install malware. The attackers behind t...

ZeroAccess Rootkit Latest in Line of x64 Malware to Appear

Never ones to be left behind as progress marches on, attackers are beginning to develop more and more tools aimed specifically at exploiting 64-bit machines. The latest entry into the field is an x64 version of the ZeroAccess rootkit, a nasty piece of malware that’s been circulating for some time...

Week in Security: Scarily Tenacious Rootkits, Stuxnet's Secrets and Cisco Flaws

The news this week revolved around complex and troublesome threats, notably two rootkits, TDL4 and ZeroAccess. Stuxnet reared its head once again as did a new problem with Cisco’s popular videoconferencing software. Read on for the full week in review. In our most popular story of the week, we...

Dissecting the ZeroAccess Rootkit

The ZeroAccess rootkit isn’t the most well-known or closely watched piece of malware in recent history, but, as an extremely detailed new analysis of the program shows, it is a perfect example of the kind of sophisticated malware that attack crews are using to maintain persistent, silent access t...

Image of the Day: Dissecting The ZeroAccess Crimeware

We know a lot about the effects of malicious programs like rootkits and Trojan downloaders. The job of finding out exactly how the programs work, however, is painstaking. That’s because most malware authors worth their salt take steps to make their creations hard to understand. Code obfuscation a...