Microsoft Defender marks popular utilities as potentially harmful applications.
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The most popular system garbage cleaning tool on Windows system CCleaner is marked as "potentially harmful software" by Microsoft Defender (formerly known as Windows Defender, but renamed Microsoft Defender after the May 2020 update). This is Microsoft For Windows 10 built-in antivirus software.
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Potentially harmful software, more commonly known as Potentially Harmful Applications (PUA). Refers to an application in which the antivirus software has not found any maliciousness, but may exhibit one or another unwanted behavior.
Usually, this means bundling extra bits and pieces, or secretly installing accessories such as browser add-ons. These accessories may not cause any damage to your Windos system, but may cause some trouble. (When we first came into contact with the Windows system, many people may have been bundled with malware. It is very troublesome. Faced with this kind of malware, Xiaobai who is new to contact will be very uncomfortable!)
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as Bleeping Computer What was discovered, Microsoft Defender now found that CCleaner is a PUA. The software giant declared: "Certain free installers and 14-day trial versions of CCleaner are bundled with applications, including applications that CCleaner does not need or are owned by the same publisher. An application made by Piriform. "
" Although the bundled application itself is legal, bundling software, especially bundling products from other providers, may cause unexpected software activities and negatively affect the user experience."
Avast Additional services
These bundled applications include Google Chrome browser, Google toolbar, Avast Free Antivirus and AVG Antivirus Free (please note that Piriform is now owned by Avast, and Avast also owns AVG).
Microsoft further emphasized that these bundled applications can run normally without any maliciousness. The problem lies in the way they are installed.
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The company noticed that although the installation process of CCleaner does provide a way to choose not to install these additional applications on your computer, but as you might expect, the judgment is "some It’s easy for users to install these bundled applications inadvertently."
Usually, these problems depend on the way you opt-out.
In any case, according to a statement just released by CCleaner, they believe that the problem has been effectively resolved. A spokesperson for
CCleaner told us: "We are in contact with Microsoft to understand why CCleaner was recently detected as a PUA. We speculate that the problem seems to be related to bundling, and we believe we have resolved this issue, so Microsoft is no longer flagging Our product. "
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Therefore, the situation may now be like this: if you install CCleaner while running Microsoft Defender, you will no longer be warned not to proceed, provided that the security application does follow CCleaner's Request proceededUpdate.
