I use old version CCleaner 5.02 but yesterday he updated himself to 5.41. I never enable Auto Updating so why he downloaded and update himself?
Second.
Every time when I use CC ver.5.41 in the Application section of Windows Logs i have some events. The source is "RestartManager" In the General section, the first one says:
"Starting session 1 2018-03-29T01:16:54.100585900Z. Event ID 10000"
and second :
"Ending session 1 started 2018-03-29T01:16:54.100585900Z." - Event ID 10001"
Before when i use old ver. nothing like this occurred. Do you have similar events in Windows Logs? I use Windows 7 x64
It appears that Piriform has found a way to hack in to our computers and force an upgrade of CCleaner. I had an older version with the better graphics that I vastly prefer on a few machines and now they all have the latest version. Check for Updates was turned off on all these PC's since I hate the flat 'Metro' graphics and the older version of CCleaner worked just fine. Luckily, I still have the old copy to be able to install the version I like, so I uninstalled the new one on all the machines, put back the older one, and then added a new Rule in Windows Firewall to block all Outbound communication with Piriform. I highly doubt this cam in via Windows Update, which means that this company now thinks it's fine to hack into our computers and make unauthorized changes. This is outrageous and unacceptable.
It's probably because of what happened last year with Piriform/CCleaner being hacked with that Floxif trojan being injected into CCleaner, as seen here. A forced upgrade to "protect", even though it was only v5.33 that had the infection.
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I have Avast, but i never haven't installed Software Updater <span lang="en" xml:lang="en">extension. </span>
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<span lang="en" xml:lang="en">Why </span> CCleaner 5.41 <span lang="en" xml:lang="en">creates </span> some events "RestartManager" in windows event viewer
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Thanks for confirming you have Avast. (Those reporting this updating all seem to have have Avast so it's probably relevant).
The Software Updater isn't an extension that you install seperately, it's built in to the antivirus.
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All Avast security products for home PCs let you update your software with a single click.
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I still suspect that Avast have changed the priority for updating CCleaner in their Software Updater without telling users.
I would check the settings, or turn it off altogether.
With it auto-updating all of a sudden I'm wondering if Avast/Piriform found a vulnerability in older versions of CCleaner that were released prior v5.33. I don't know if that's the reason however it would make sense for them to push out a critical update.