The FBI announced today federal indictments against those allegedly involved in the distribution of the WinFixer family of malware. WinFixer is a form of software often referred to as “ rogue security software ” or “scareware”...

Last week, I was checking my Facebook account and noticed I had an Event Invitation from a fellow security researcher. Very intriguing. This friend is a world traveler and doesn’t currently reside in the United States, but the Event Invitation was...

Last month we had reported good cleaning results against the Win32/Alureon rootkit, and this month we have more good numbers to share with the May edition of MSRT. Similar to last month, we continued to add detection for newer variants of Alureon: ...

The family added to this month's MSRT release is Win32/Oficla , which is a downloader that is able to receive download 'tasks' from a control server. In the wild, variants of Win32/Oficla have been observed to download variants from families such as Win32...

On the newly published Volume 8 of the Microsoft Security Intelligence Report (SIR), you will find a familiar observation on malware infection across Windows operating systems, based on the Microsoft Windows Malicious Software Removal Tool (MSRT), one...