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1. #CCLEANER MALWARE 2020 INSTALL#
2. #CCLEANER MALWARE 2020 UPDATE#
3. #CCLEANER MALWARE 2020 SOFTWARE#
4. #CCLEANER MALWARE 2020 TRIAL#

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.

#CCLEANER MALWARE 2020 SOFTWARE#

Potentially unwanted software is not outright malicious, but as the name suggests, may be unwanted by the user.

#CCLEANER MALWARE 2020 UPDATE#

It comes with several other features including options to update installed programs, run a health check, or clean the Registry. We downloaded CCleaner today, and noticed the installer was not bundling other applications during the setup process.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. In response, a CCleaner spokesperson said: “Our products and our partners’ products are genuine and so we are in discussions with Microsoft to resolve this issue as soon as we can.” However, the Windows Defender flag is still not a great look for the cleaning utility app, and may prompt some users to remove the product from their computers. Existing antivirus software, including Microsoft Defender Antivirus, might be turned off or uninstalled during this process,” the company added.īeing classified as a Potentially Unwanted Application (PUA) doesn’t mean CCleaner is malware. “If users choose to continue, the bundled antivirus product installs in the background.

#CCLEANER MALWARE 2020 INSTALL#

“When it is launched, it provides a preselected option to install Avast Free Antivirus,” Microsoft says. On install, CCleaner uses a plugin to contact and download an additional file called Microstub.exe. The company also provided screenshots that illustrate how the bundling works. “While the CCleaner installers do provide an option to opt out, some users can easily inadvertently install these bundled applications,” Microsoft says in the notice.

The other applications CCleaner can try to install include Avast Free Antivirus, AVG AntiVirus-which Avast also owns-along with Google Chrome and Google Toolbar. “While the bundled applications themselves are legitimate, bundling of software, especially products from other providers, can result in unexpected software activity that can negatively impact user experiences,” Redmond says in its notice. The same installers can bundle third-party software from CCleaner’s parent company, antivirus provider Avast.īut according to Microsoft, these other applications are not required to install and run the junk file removing program.

#CCLEANER MALWARE 2020 TRIAL#

The alerts occur when Windows Defender scans certain installers for the free and 14-day trial versions of CCleaner.

Microsoft’s Windows Defender antivirus software is-perhaps ironically-flagging CCleaner, a junk file remover, as a “Potentially Unwanted Application.”