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The Pushdo botnet is trying to evade detection by using fake SSL connections to major Web sites, researcher says.
A new e-mail claiming to come from "The Facebook Team" is circulating. According to security firm MX Labs, that e-mail contains a Trojan horse called Bredolab.
Botnets appear to have suffered a big blow with the shutdown of Pricewert, resulting in the reduction of spam activities by 15 percent globally.
Researchers at Kaspersky say the TDL-4 is extremely sophisticated and has already infected 4.5 million computers around the globe.
Malicious spam and attacks via social-networking sites skyrocketed in the second half of last year, according to a report from security vendor M86 Security.