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Malware

CCleaner Backdoor

aka DIRTCLEANER

According to CrowdStrike, this backdoor was discovered embedded in the legitimate, signed version of CCleaner 5.33, and thus constitutes a supply chain attack.

CCleaner Backdoor, also known as DIRTCLEANER, is a Windows malware family.

Background

CrowdStrike found this backdoor planted inside the legitimate, signed release of CCleaner 5.33, making it a supply chain attack.

Source: Malpedia (Fraunhofer FKIE).