Avarta

The spring seems to be a prolific time for new ideas and proof of concept viruses. However, not all of them are a cause for concern.

For instance, we’ve received a new virus which infects Microsoft Publisher (*.pub) documents. You can find a description of Avarta here.

Due to its crude replication method and obvious payload, Avarta has zero chances of getting in the wild. Three or four years ago, this might have been an innovative piece of malware. But now macroviruses are virtually extinct, making Avarta proof of concept for something that will never become a threat.

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.