ColdRiver - Geek Feed

Russian hackers evolve malware pushed in “I am not a robot” captchas

October 22, 2025October 23, 2025 geekfeed0Tagged ColdRiver, Cyberespionage, Espionage, malware, MaybeRobot, NoRobot, russia, Star Blizzard

The Russian state-backed Star Blizzard hacker group has ramped up operations with new, constantly evolving malware families (NoRobot, MaybeRobot) deployed in complex delivery chains that start with ClickFix social engineering attacks. Also known as ColdRiver, UNC4057, and Callisto, the Star Blizzard threat group abandoned the LostKeys malware less than a week after researchers published their analysis and leveraged the […]

4 mins read

Google links new LostKeys data theft malware to Russian cyberspies

May 11, 2025May 11, 2025 geekfeed0Tagged ClickFix, ColdRiver, Data Theft, Google Threat Intelligence Group, LostKeys, malware, russia, Star Blizzard

Since the start of the year, the Russian state-backed ColdRiver hacking group has been using new LostKeys malware to steal files in espionage attacks targeting Western governments, journalists, think tanks, and non-governmental organizations. In December, the United Kingdom and Five Eyes allies linked ColdRiver to Russia’s Federal Security Service (FSB), the country’s counterintelligence and internal security service. […]

2 mins read