Most people would be aware that biological viruses can be airborne, and can spread in this manner. For instance a common flu virus is able to survive in a fine mist of water droplets suspended in mid air until it lands on the next host. Luckily, not all...

We’re seeing plenty of reports for a JavaScript redirector malware family that we call Gamburl; previous reports have called it Gumblar or Redir. These attacks seem to be coming from legitimate Web sites with pages that have been modified to contain...

This month’s MSRT shows the following top ten most prevalent threat families as of May 19. The newly added and blogged rogue family, Win32/Winwebsec , is ranked at #17 with 34,792 infected machines. Family Most Significant Category...

Nowadays almost everyone is affected by the recession in one way or another. More and more people try to save money. Instead of buying licensed songs in CD form or from reputable online services, some people prefer to download songs via P2P or do a...

This month’s addition to the Malicious Software Removal Tool (MSRT) is a rogue security program called Trojan:Win32/Winwebsec . In most ways Winwebsec is virtually the same as most other rogues. It is often distributed through fake online scanner web...

The Spambot Whilst Win32/Waledac is probably best known for the ability to send spam, it can also download and execute arbitrary files. In addition to using this downloading mechanism to update itself, Waledac can also download other malware. The MMPC...

About four months ago some new colleagues in the security business arrived in our Dublin office. They are part of Microsoft Anti-spam team and it is our pleasure to have them here :) The Dublin Spam team recently told us that almost every week, Microsoft...

On April 14th, Microsoft released the latest update to the Microsoft Malicious Software Removal Tool . This month as you know from Scott Molenkamp’s blog post , we added Win32/Waledac . In fact, of the top 5 families, worms make up 3 of the slots: Win32...