CCleaner News & Updates

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The malware did not actively harm systems, but it did encrypt and collect information that could be used to harm your system in the future. In particular, according to Piriform, it created a unique identifier for the computer and collected:
  • Name of the computer
  • List of installed software, including Windows updates
  • List of running processes
  • MAC addresses of first three network adapters
  • Additional information whether the process is running with administrator privileges, whether it is a 64-bit system, etc.
Thankfully, it looks like this malware only affected a certain subset of CCleaner users. In particular, it affected:
  • Users running the 32-bit version of the application (not the 64-bit version)
  • Users running version 5.33.6162 of CCleaner or CCleaner Cloud 1.07.3191, released on August 15th, 2017
CCleaner Was Hacked: What You Need to Know

Piriform - Security Notification for CCleaner v5.33.6162 and CCleaner Cloud v1.07.3191 for 32-bit Windows users
 
screen-shot-2017-09-21-at-12-42-22-pm.png

CCleaner supply chain malware targeted tech giants
 
CCleaner v 5.35 is available for download

The Piriform team would like to announce the latest release of CCleaner for Windows.

CCleaner version 5.35 has been released with a new digital signature to update our systems after the September 18th security notification.
 
CCleaner can clean
1. Browser history, cache, cookies
2. Registry cleaner
3. Duplicate finder
and many other features
 
CCleaner version 5.40 available for download
whats new:
Browser Cleaning
  • Edge: Added new 'Set aside tabs' cleaning rule
Windows Cleaning
  • Added warning for 'Old prefetch data' cleaning rule
General
  • Minor user interface improvements
  • Minor bug fixes

CCleaner.com - CCleaner v5.40
 
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