CVE-2017-20201

CCleaner v5.33.6162 and CCleaner Cloud v1.07.3191 32-bit builds contained a malicious pre-entry-point loader that diverts execution from scrtcommonmainseh into a custom loader. That loader decodes an embedded blob into shellcode, allocates executable heap memory, resolves Windows API functions at...

CVE-2017-20201

CCleaner v5.33.6162 and CCleaner Cloud v1.07.3191 32-bit builds contained a malicious pre-entry-point loader that diverts execution from scrtcommonmainseh into a custom loader. That loader decodes an embedded blob into shellcode, allocates executable heap memory, resolves Windows API functions at...

EUVD-2025-33278

CCleaner v5.33.6162 and CCleaner Cloud v1.07.3191 32-bit builds contained a malicious pre-entry-point loader that diverts execution from scrtcommonmainseh into a custom loader. That loader decodes an embedded blob into shellcode, allocates executable heap memory, resolves Windows API functions at...

PT-2025-41312

Name of the Vulnerable Software and Affected Versions CCleaner versions 5.33.6162 CCleaner Cloud versions 1.07.3191 Description CCleaner and CCleaner Cloud contained a malicious pre-entry-point loader that redirects execution to a custom loader. This loader decodes an embedded blob into shellcode...