In 2017, CCleaner’s official build (5.33) was backdoored by attackers. Unofficial “fixed” versions have an even higher risk of intentional backdoors.
The most significant fix addressed a bug where cleaning and update notifications would interrupt fullscreen applications, such as games or movies.
In 2017, CCleaner’s official build (5.33) was backdoored by attackers. Unofficial “fixed” versions have an even higher risk of intentional backdoors.
The most significant fix addressed a bug where cleaning and update notifications would interrupt fullscreen applications, such as games or movies. CCleaner Professional v5.86.9258 Fix