New Bagles spreading actively

The first day of spring brought us five new Bagle variants within a few hours. We detect them as Email-Worm.win32.Bagle.bb-.bf and antivirus database updates with protection against all of them are available.

We are analysing the worms in detail and will keep you posted if anything interesting shows up. We suspect that the worms have been seeded via a spammer mailing. a spam mailing. A full description will be available once the analysis is complete.

Kaspersky researchers have discovered new Mirage Kitten attacks using previously undocumented malware families: NodeRabbit in Node.js and PollCat in JavaScript.

Our experts discovered a new CoolClient backdoor variant with a kernel-mode rootkit driver that hides malicious processes, files, and network connections from security tools and threat analysts.

Kaspersky experts break down a new Armored Likho campaign that poses as a fundraising efforts and delivers a new Still Toolkit aimed at stealing Telegram data and eavesdropping on victims.

Kaspersky researchers reveal previously undocumented malware attributed to Mirage Kitten (UNC1549, Smoke Sandstorm, Nimbus Manticore): NightLedger backdoor, ArcBridge, and BridgeHead tunneling tools.