Microsoft lists four products on its site of which two are owned by Avast: Avast Free Antivirus and AVG Antivirus Free. Some of CCleaner's installers bundle third-party software. Often, these offers are checked for installation by default, or the installer is designed in a way that may confuse the user in installing the offered products. A common form of these kind of applications bundles other, often third-party software, with the installer this is done by the company for financial reasons or to push some of its other products. Potentially unwanted software is not outright malicious, but as the name suggests, may be unwanted by the user. It comes with several other features including options to update installed programs, run a health check, or clean the Registry.
Microsoft Defender Antivirus flags certain CCleaner installers as potentially unwanted software according to a new database entry on the company's malware encyclopedia site.ĬCleaner is a popular tool for Windows to remove temporary files to free up disk space.
