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KillDisk now targeting Linux: Demands $250K ransom, but can’t decrypt

ESET has discovered a Linux variant of the KillDisk component that renders Linux machines unbootable, while encrypting files and requesting a large ransom at the same time.

The rise of TeleBots: Analyzing disruptive KillDisk attacks

ESET’s Anton Cherepanov analyzes the work of TeleBots, a malicious toolset that was used in focused cyberattacks against targets in Ukraine’s financial sector.

BlackEnergy by the SSHBearDoor: attacks against Ukrainian news media and electric industry

The cybercriminal group behind BlackEnergy, the malware family that has been around since 2007 and has made a comeback in 2014, was also active in the year 2015.

BlackEnergy trojan strikes again: Attacks Ukrainian electric power industry

The recent attacks on the electrical power industry in Ukraine are connected to attacks on the media and to targeted cyber-espionage attacks against Ukrainian governmental agencies.

New crypto-ransomware hits macOS

This last month we have seen a new ransomware for Mac. Written in Swift, it is distributed on BitTorrent distribution site as “Patcher” for pirating popular software.

Ransomware: Should you pay up?

ESET’s Cameron Camp provides valuable insight into what you should do if you’re a victim of ransomware.

BlackEnergy and the Ukrainian power outage: What we really know

Robert Lipovsky, a senior malware researcher at ESET, offers his expert insight into the recent discovery of BlackEnergy malware in Ukrainian energy distribution companies.

The security review: BlackEnergy, CES 2016 and Windows 10

Highlights from the last seven days in information security include the return of the BlackEnergy trojan and security insights from CES 2016.

Giving Old Viruses the Boot

Further to my recent post on the venerable (but still out there) Slammer worm, we were asked recently about a real old-timer, a boot-sector infector called Stoned.Angelina. (Oddly enough, I think this was the last BSI reported to me when I was still doing occasional 2nd-line AV support earlier in this decade.) How could such an elderly

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