Tricky New Malware Challenges Security Vendor

Saturday, March 8th, 2008

A tricky malicious program has become more prevalent in spam, but experts don't know what its creators plan to do with it.Many vendors are rating the malware--called "Warezov," "Stration," and "Stratio"--as a low risk. But they also say that it is tricky to deal with. New Code Every 30 MinutesThe malware ...

The world’s most sophisticated Trojan uncovered

Saturday, March 8th, 2008

Security experts have discovered new spambot software that installs its own anti-virus scanner to eliminate competition, alongside a number of other sophisticated features. SecureWorks has described the Trojan, which it calls SpamThru, in detail. Others vendors have come up with different names for the software. One of the signs of its ...

Password-Stealing Trojan Spreads

Saturday, March 8th, 2008

A fresh round of spam with a password-stealing Trojan horse detected this week uses a German-language pitch, saying the malicious attachment is an official Microsoft Windows update. The attached malware, called "Trojan-PSW.Win32.Sinowal.u" by antivirus software developer Kaspersky Lab, is a next-generation Trojan that's on the rise, said Roel Schouwenberg, a senior ...

Malware using search engines to spread

Saturday, March 8th, 2008

Internet search engines are now one of the commonest means by which malware spreads, a new study has suggested. The study carried out by McAfee?s spyware expert Ben Edelman using the company?s SiteAdvisor tool, analysed common searches on all the Net?s major search engines, Google, Yahoo, MSN, AOL and Ask. The ...

Cryzip Trojan Encrypts Files, Demands Ransom

Saturday, March 8th, 2008

Virus hunters have discovered a new Trojan that encrypts files on an infected computer and then demands $300 in ransom for a decryption password. The Trojan, identified as Cryzip, uses a commercial zip library to store the victim's documents inside a password-protected zip file and leaves step-by-step instructions on how ...