it can't be used to personally identify you), it's nonetheless useful to hackers who want to get a better idea of the types of systems potential targets are running. While such information isn't sensitive (i.e. The distribution of the compromised CCleaner came from the actual website of Piriform. In other words, to the best of our knowledge, we were able to disarm the threat before it was able to do any harm." Listed below are the affected versions of CCleaner: CCleaner version CCleaner Cloud version Trend Micro already detects the trojanized CCleaner as BKDRCCHACK.A and BKDRCCHAK.B. "Users of CCleaner Cloud version have received an automatic update. "The threat has now been resolved in the sense that the rogue server is down, other potential servers are out of the control of the attacker, and we're moving all existing CCleaner v users to the latest version ," Piriform's vice president of products, Paul Yung, said in a post (Opens in a new window). Piriform revealed that the malware collected system information-including lists of installed software and Windows updates, MAC addresses of network adapters, PC names and information from the Windows registry key all of which was sent to a remote server. 15 it notified Piriform-CCleaner's UK-based developer, which was acquired by Avast (Opens in a new window) in July-on Sept. The regular and cloud-based versions of CCleaner, which has been downloaded over 2 billion time worldwide as of November 2016 and adds about 5 million new users a week, have since been patched and the US-based server to which the malicious code sent system information has been shut down.Īccording to security researchers at Cisco Talos, who spotted the code (Opens in a new window), " the executable in question was the installer for CCleaner v5.33, which was being delivered to endpoints by the legitimate CCleaner download servers."Ĭisco Talos says the malicious version of CCleaner was released on Aug. Two versions of popular cleanup tool CCleaner for 32-bit Windows machines contained well-hidden malware. How to Set Up Two-Factor Authentication.How to Record the Screen on Your Windows PC or Mac.The 64-bit version of CCleaner was not affected. Piriform says that it's still investigating where the attack came from, and the company sent a. Update: The exact versions that were infected were the 32-bit version of CCleaner and CCleaner Cloud. How to Convert YouTube Videos to MP3 Files Users of CCleaner Cloud version have received an automatic update,' explained the company.Solution Upgrade to a version of Piriform CCleaner Cloud that is later than. It is, therefore, affected by a malicious backdoor that allows remote attackers to obtain sensitive information and install unauthorized software. How to Save Money on Your Cell Phone Bill Description The version of Piriform CCleaner Cloud installed on the remote Windows host is equal to.How to Free Up Space on Your iPhone or iPad.How to Block Robotexts and Spam Messages.
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