![]() ![]() The latest version is available for download here. However, Piriform estimated that up to 3 percent of its users (up to 2.27 million people) were affected by the malicious installation.Īffected users are strongly recommended to update their CCleaner software to version 5.34 or higher, in order to protect their computers from being compromised. CCleaner claims to have over 2 billion downloads worldwide as of November 2016 and is reportedly adding new users at a rate of 5 million a week," Talos said. "The impact of this attack could be severe given the extremely high number of systems possibly affected. Additional information like whether the process is running with admin privileges and whether it is a 64-bit system.Īccording to the Talos researchers, around 5 million people download CCleaner (or Crap Cleaner) each week, which indicates that more than 20 Million people could have been infected with the malicious version the app.List of installed software, including Windows updates.The malicious software was programmed to collect a large number of user data, including: Learn how to secure your corporate SaaS applications and protect your data, even after a breach. ![]() ![]() CCEnhancer can extend the cleaning capabilities of CCleaner. Earlier this year, update servers of a Ukrainian company called MeDoc were also compromised in the same way to distribute the Petya ransomware, which wreaked havoc worldwide.Īvast and Piriform have both confirmed that the Windows 32-bit version of CCleaner v and CCleaner Cloud v were affected by the malware.ĭetected on 13 September, the malicious version of CCleaner contains a multi-stage malware payload that steals data from infected computers and sends it to attacker's remote command-and-control servers.ĭetect, Respond, Protect: ITDR and SSPM for Complete SaaS Securityĭiscover how Identity Threat Detection & Response (ITDR) identifies and mitigates threats with the help of SSPM. CCleaner Portable is the portable version of CCleaner, an easy-to-use, safe, well-known drive cleaner with other additional features including a conservative registry cleaner, startup manager, and more. This incident is yet another example of supply chain attack. Security researchers from Cisco Talos discovered that the download servers used by Avast to let users download the application were compromised by some unknown hackers, who replaced the original version of the software with the malicious one and distributed it to millions of users for around a month. If you have downloaded or updated CCleaner application on your computer between August 15 and September 12 of this year from its official website, then pay attention-your computer has been compromised.ĬCleaner is a popular application with over 2 billion downloads, created by Piriform and recently acquired by Avast, that allows users to clean up their system to optimize and enhance performance. ![]()
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