Queries regarding the CCleaner issue

Sohom

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Hi, in the last one month or so i may have used ccleaner like 1 or 2 times for a brief period of time. I was actually using the 5.33 version. After reading the news, i uninstalled ccleaner, checked with antivruses and malwarebytes and it came out clean. But my main concern is about the privacy, recent news shows that a lot of personal information was communicated through the hacked servers. Even news state maybe kelogging, key strokes hack tools may have been used.
So, my question is that do i require to format my machine. I changed a lot of passwords of my existing accounts on most of the sites. My question about formatting is because i have a lot of data in my pc and backing them all up and rearranging stuff will take a lot of time.
Any info regarding the hack and advices is welcomed. Thank you.
 

Sohom

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mdd1963

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we will assume their statement is accurate, perhaps the '32 bit caveat' applied to the application, not the OS....(as, obviously some might have chosen 32bit version and run it on a 64 bit OS just fine)

Still, they claim replace the software, and you are fine....no exploits beyond some info gathering were done....allegedly :)
 

Sohom

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Thanks for a detailed study of the ccleaner hack... Now this seems a complete analysis of the ccleaner hacker methodology.
 

Sohom

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Ok, so a little update... I installed a temporary HDD on my machine, formatted it... I had a macrium reflect full backup that dated back to 25th of september, so then i restored it and was surprised to see even with ccleaner 5.33 installed, the registry entries that were supposed to be installed with the modified ccleaner were simply not there. Then i remembered that once while downloading ccleaner, i noticed the download speeds to be really slow and two exe's were downloading, so instead of downloading it from piriform servers, i downloaded it from filehippo.com or maybe vice versa, either of the two; so maybe the file on filehippo wasnt effected...
 
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