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Fake CCleaner installs GhostDesk Chrome spyware

medmalwarebytes_blogPublished 2026-08-11

<p class="wp-block-paragraph">A fake version of the popular PC cleaning tool CCleaner is being used to infect Windows users with a malicious Chrome extension called GhostDesk, which acts as spyware inside the browser.&nbsp;</p>

<p class="wp-block-paragraph">With more than 2 billion downloads worldwide, CCleaner is one of the best-known Windows utilities, making it an attractive target for cyber

MITRE ATT&CK techniques

Indicators of compromise

Original source: https://www.malwarebytes.com/blog/threat-intel/2026/08/fake-ccleaner-installs-ghostdesk-chrome-spyware