Rootkits embody software code designed to hide from view, so the tale of how Kaspersky Lab hunted down the rumored Rustock rootkit reads like a Sherlock Holmes story. Rootkits are software code ...

A new Trojan horse is so good at hiding itself that some security researchers claim a new chapter has begun in their battle against malicious-code authors. The new pest, dubbed "Rustock" by Symantec ...

That threat, dubbed "Rustock" by Symantec, is a family of backdoor Trojan horses that first appeared nearly a year ago, says Patrick Martin, a senior product manager with the Cupertino, Calif., ...

Frank Boldewin had seen a lot of malicious software in his time, but never anything like Rustock.C. Used to infect Windows PCs and turn them into unwitting spam servers, Rustock.C is a rootkit that ...

Global spam volumes have fallen precipitously in the past two months, thanks largely to the cessation of junk e-mail from Rustock – until recently the world’s most active spam botnet. But experts say ...

More than 40 percent of the world's spam is coming from a single network of computers that computer security experts continue to battle, according to new statistics from Symantec's MessageLabs' ...

For more than 24 hours this week, it was a question that very few security experts could answer: Who had knocked the world’s worst spam botnet offline? After infecting close to a million computers and ...

The Rustock botnet–one of the most prolific sources of spam–went silent this week. Microsoft worked with security vendors and the civil court system to pull the plug on Rustock. Some security experts ...

Earlier this month, a Microsoft-led action resulted in the Rustock botnet being taken offline. That action is now reaping dividends, as spam levels have dropped by around a third—a welcome, albeit ...

A series of raids last week submarined Rustock, Microsoft said, noting that it had filed a lawsuit that sparked the raids. Rustock would take control of a computer and use it to send spam. It is ...

The botnet has shrunk since April but is making up for its decreased size with increased volume, ditching encryption in order to send out more spam More than 40 percent of the world’s spam is coming ...