In September 2017, researchers at Cisco Talos discovered that the official 32-bit CCleaner v5.33.6162 and CCleaner Cloud v1.07.3191 download servers had been infiltrated. The attackers replaced the legitimate executable with a version that contained a multi-stage malware payload. Because the compromised file was signed with a valid digital certificate from Piriform (the developer), it appeared legitimate to both users and security software. Technical Details of the Attack
Using cracked software violates Terms of Service and intellectual property laws. Remediation for Impacted Users
Pirated versions cannot be updated through official channels, leaving your system vulnerable to newly discovered security flaws.