7/17/2023 0 Comments Ccleaner older version"The oldest malicious executable used in the Russian attack was built in 2014, which means the group behind it might have been spying for years."īased on their analysis of the ShadowPad executable from the Piriform network, Avast believes that the malicious attackers behind the malware have been active for a long time, spying on institutions and organizations so thoroughly. "Our investigation revealed that ShadowPad had been previously used in South Korea, and in Russia, where attackers intruded a computer, observing a money transfer." Avast said. However, the company has no proofs if the third stage payload with ShadowPad was distributed to any of these targets. CCleaner is a must-have tool if you want to keep your computer working at its best as it includes cleaning tools, start-up analysis, registry optimization, and an application uninstall assistant. Moreover, it was found that the attackers were then able to install a second-stage payload on 40 selected computers operated by major international technology companies, including Google, Microsoft, Cisco, Intel, Samsung, Sony, HTC, Linksys, D-Link, Akamai and VMware. The malicious version of CCleaner had a multi-stage malware payload designed to steal data from infected computers and send it back to an attacker-controlled command-and-control server.Īlthough Avast, with the help of the FBI, was able to shut down the attackers' command-and-control server within three days of being notified of the incident, the malicious CCleaner software had already been downloaded by 2.27 million users. September 13, 2017-Researchers at Cisco Talos detected the malicious version of the software, which was being distributed through the company's official website for more than a month, and notified Avast immediately. July 18, 2017-Security company Avast acquired Piriform, the UK-based software development company behind CCleaner with more than 2 billion downloads.Īugust 2, 2017-Attackers replaced the original version of CCleaner software from its official website with their backdoored version of CCleaner, which was distributed to millions of users. NET runtime library).īetween mid-April and July-During this period, the attackers prepared the malicious version of CCleaner, and tried to infiltrate other computers in the internal network by installing a keylogger on already compromised systems to steal credentials, and logging in with administrative privileges through RDP. Join our insightful webinar! Save My Seat!Īpril 12, 2017-A few days later, attackers installed the 3rd stage payload on four computers in the Piriform network (as a mscoree.dll library) and a build server (as a. Zero Trust + Deception: Learn How to Outsmart Attackers!ĭiscover how Deception can detect advanced threats, stop lateral movement, and enhance your Zero Trust strategy.
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