Malware Calendar Wallpaper for April 2011

Here’s the latest of our malware wallpaper calendars.

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This month’s calendar highlights the use of malware for a range of cybercriminal activities. These include the use of a keylogger to steal data directly from individuals, the hacking of a business in order to acquire customer financial details and the use of a Trojan to conduct industrial espionage.

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.