Flash
Lost in speed
Specifically, hackers embedded remote administration tools on CCleaner v5.33.6162 and CCleaner Cloud v1.07.3191, tools that then tried to connect to several unregistered web pages, looking to download additional unauthorized programs, according to Cisco's Talos security research unit. Users would have noticed nothing wrong on their systems, since the entire malicious string of code was run under CCleaner's authentic digital certificate.
CCleaner does not feature automatic updates, so if you make use of CCleaner, make sure to check your software version, and force an update through the app. Or better yet, make sure to uninstall the app and install the new, corrected version, which currently stands at 5.34.6207.
Source: Piriform Hacked, CCleaner August Versions (v5.33.6162) Injected, Compromised
CCleaner does not feature automatic updates, so if you make use of CCleaner, make sure to check your software version, and force an update through the app. Or better yet, make sure to uninstall the app and install the new, corrected version, which currently stands at 5.34.6207.
Source: Piriform Hacked, CCleaner August Versions (v5.33.6162) Injected, Compromised