If your antivirus solution detects the Vobfus worm and downloader on your computer, chances are good that the machine also houses the Beebone downloader, Microsoft researcher Hyun Choi warns.
A new McAfee Labs report shows a significant spike in instances of the Koobface social networking worm and a dramatic increase in spam.
The Dorkbot worm, which first appeared in 2011 and has since been spreading via removable drives, IM programs and social networks, is currently targeting Facebook users.
Symantec researchers have discovered an older version of the infamous Stuxnet worm that caused the disruption at Iran's nuclear facility in Natanz: Stuxnet 0.5.
The Dorkbot/Rodpicom worm, which spreads via messaging applications and leads to additional malware infections, is currently doing rounds on Skype and MSN Messenger, warns Fortinet.