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1. #FREE AVAST CCLEANER MALWARE UPDATE#
2. #FREE AVAST CCLEANER MALWARE FULL#
3. #FREE AVAST CCLEANER MALWARE SOFTWARE#

With prevention, the damage is done and over for the most part unless you’re still running the infected CCleaner, but that person isn’t reading this article… By next update at least all of our CryptoPrevent users who haven’t noticed or heard should have detection sigs for the affected binaries, and Folder Watch can quarantine or the Program Filtering can pick it up on execution as well.

#FREE AVAST CCLEANER MALWARE SOFTWARE#

In fact, yesterday Avast released their own blog post about it, Update to the CCleaner Security Incident.įor the consumers who’ve used any of their products, you need to know this, but I’ve got ZERO advice for what you do with that information (other than maybe call a tech if you aren’t tech oriented, because you have software on your PC that is sending bits of your data elsewhere.) On second thought, I’m told that Malwarebytes says their software removes/fixes it, and I see they have a blog post here: Infected CCleaner downloads from official servers (they have the free/trial/paid user-level “scanner” software which I’m sure all editions take care of the issue quite effectively.) It also occurred completely under the nose of their new parent company Avast, the anti-virus software maker who acquired Piriform (the makers of CCleaner) as recently as July. The infected binaries were provided for download from their official site/update servers and distributed legitimately for about a month, silently infecting users to send data back to the ethers. It seems that CCleaner has had malicious code bundled into their 32bit binaries (along with their “Cloud” version) and the tampering occurred prior to distribution. This came out two days ago on the CCleaner blog: Security Notification for CCleaner v and CCleaner Cloud v for 32-bit Windows users. Original post is below, but be aware some details may no longer be accurate as the story unfolds. It seems a new backdoor was discovered and … you just need to read these:ĬCleaner Command and Control Causes ConcernĬCleaner Malware Infects Big Tech Companies With Second Backdoor If you get your news here, you could do better! Sept 21st, 2017 Update: These articles also came out yesterday, unfolding some plot twists to this story. Info on CCleaner Infections Lost Due To Malware Server Running Out of Disk Space

#FREE AVAST CCLEANER MALWARE FULL#

Sept 26th, 2017 Update: Yesterday this appeared on Bleeping Computer:Īvast Publishes Full List of Companies Affected by CCleaner Second-Stage Malwareīleeping also put out a nice article from the 22nd, containing a nice summary if you’re just catching up on the news (because of course more has emerged since our last update, and we shouldn’t just assume you read it elsewhere):