The best Anti-Virus alternative to CCleaner is Tron Script, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to CCleaner and five of them are Anti-Virus Apps so hopefully you can find a suitable replacement. Other interesting Anti-Virus App alternatives to CCleaner are Microsoft PC Manager, System Mechanic®, Fortect and AvarionX Antivirus.
Tron is a collection of programs, tools, utilities, and Windows functions that are all scripted together. Those programs and such are designed to remove malware and bloatware, repair damaged operating systems, update old versions of very common applications, free up drive space...
Tune-up software developed by Microsoft that helps reduce ram usage, clean junk files and keeps your Windows device running smoother. Also contains a user interface for Windows Defender Antivirus.
Microsoft very own Pc manager and cleaner
Suite offering junk file removal, RAM boosting, defragmentation, internet setting optimization, automatic idle-time system maintenance, security vulnerability fixing, file recovery, malware protection, password management and user-friendly features for Windows.
Offers performance enhancement with Swift Clean and Core Stability, malware shielding across platforms, cloud security, chrome browsing protection, and real-time ransomware defense.
Protect your Android with AvarionX Security, a fast and powerful antivirus and storage cleaner built for everyday use.
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Microsoft PC Manager is a useful addition to your toolbox. I'm sure it can get down in to nooks and crannies that even CrapCleaner was scared to dig in to. I don't see a registry cleaner, but it does have a handful of other tools. On the other hand you need to pay attention, and disable it's default "revert system settings, browsers and etc. when you first use it. I disabled all options that sounded like they might be used for telemetry, also. Anyway, pending Malware being discovered in it, I'm going to give it a thumbs up and keep using it for now. :)