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CCleaner contained malware for one month

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Deozaan:
Around 2.27 million users of Piriform's popular CCleaner security app have been advised to update the application—a result of sophisticated hacker-hidden malware. Discovered by researchers at Cisco's Talos division, hackers are thought to have run code from a remote IP address using a backdoor.-http://www.pcgamer.com/hackers-use-ccleaner-as-malware-host-affects-227-million-users/
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The short of it is that v5.33 contained malware so be sure to update to v5.34 which seems to fix the problem.

4wd:
TechCrunch
Although it would appear that, in this instance, the illegal payload was only successfully delivered to a small minority of users — and specifically to those using 32-bit Windows PCs.
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Contro:
Yesterday Antimalware bytes detects in my system CCLEANER.EXE as a virus

I remove but I didn't lost the installation of ccleaner !!!!
 :-[

mouser:
Reported by OS News:

Talos recently observed a case where the download servers used by software vendor to distribute a legitimate software package were leveraged to deliver malware to unsuspecting victims. For a period of time, the legitimate signed version of CCleaner 5.33 being distributed by Avast also contained a multi-stage malware payload that rode on top of the installation of CCleaner.
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Original article:
http://blog.talosintelligence.com/2017/09/avast-distributes-malware.html

In reviewing the Version History page on the CCleaner download site, it appears that the affected version (5.33) was released on August 15, 2017. On September 12, 2017 version 5.34 was released. The version containing the malicious payload (5.33) was being distributed between these dates.
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mwb1100:
TechCrunch
Although it would appear that, in this instance, the illegal payload was only successfully delivered to a small minority of users — and specifically to those using 32-bit Windows PCs.
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-4wd (September 19, 2017, 01:16 AM)
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That small minority is still more than 2 million people.

A million here, a million there, and pretty soon you're talking about a lot of computers.

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