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CCleaner v5.36


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The Piriform team would like to announce the latest release of CCleaner for Windows.

CCleaner version 5.36 introduces a new security feature, fixed Firefox cleaning and some quality-of-life improvements around our default cleaning preferences.


Browser Cleaning

  • Firefox: updated Session cleaning rule to support changes in Firefox 56.0
  • Chrome (& Chromium): updated Internet History cleaning rule to clean user activity data
  • Opera: updated Internet History cleaning rule to clean user activity data

Default Cleaning Rules

We are changing our default cleaning rules so that your recently used files and saved browser sessions aren't wiped without your explicit consent. These changes will take effect automatically for fresh installations of CCleaner, but we won't overwrite any of your existing preferences. To use the new default settings, go to the 'Cleaner' menu, right click on the 'Windows' and 'Applications' tabs and select 'Restore default state'.

  • Windows Explorer: Most Recently Used documents and other MRU files no longer cleaned by default
  • Windows Defender: Scan history no longer cleaned by default
  • Microsoft Office: MRUs no longer cleaned by default
  • Edge, Chrome/Chromium, Firefox, Opera, Safari, Thunderbird: Current session data no longer cleaned by default

Emergency Updater

Following the security incident in September we have taken steps to improve our security across the board. Within CCleaner, this means the addition of an 'Emergency Updater' security feature that allows us to force a software update in a worse-case scenario. We have ring-fenced the updater in its own executable to allow it to operate independently from the main executable. The update check runs as a scheduled task in Windows.

Emergency Updater checks regularly to see if an emergency security update is available. If one is, it applies the update immediately. Checks only transmit 1-2 KB of data and generally an emergency update will consist of a differential patch roughly 500 KB in size.

  • Added new executable: "CCUpdate.exe"
  • Added new Windows Scheduled Task: "CCleaner Update"


Download now! 
You can download CCleaner Free here.

Fancy a few more features? Download the CCleaner Professional trial version here

If you are already a CCleaner Professional user your installation will update automatically.

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File Verification


Please find below the MD5 and SHA-256 file hashes for verification purposes.




CCleaner Installers
ccsetup536.exe - CCleaner Free installer
MD5: 4bee8e02687aef9c23179b7cf4954220 / 7bf9a2aaa69b9b41e97fc198de699919
SHA256: 03d8b1eafddb81140afe512122c20d048863ba861f976f97d28697f9e44a9e5b / c21d77dcf351785874b555207c760a7fd9f214183c1c2ad6b015d8774559c37c
ccsetup536_pro.exe - CCleaner Pro installer
MD5: 31474d63d7b4c38706c99570b75cccf9
SHA256: 1245b8e5dd6a5df44671e968d13bda1e0cbd258325761dbabfd76ee43777f27e
ccsetup536pro.exe - CCleaner Pro Trial installer
MD5: e3f35d34de03124c02dbcef0412f0b9a
SHA256: 9456bb6b2e1796c6ed5f36576d18d943c3afd1864cf62436ebc7dacac1fdb22f
ccsetup536_te.exe - CCleaner Technician Edition installer
MD5: b4176e1f9272919a0f3228f39d3bfffb
SHA256: 03cf221dc9b397ad23e8324a383f0e01056a6a52475103b4418bafba6b1f52ce
ccsetup536.zip - CCleaner Portable (zipped)
MD5: 579defc8dac3657d3ada20acaeff84fa
SHA256: 5b295278946e43985cb53c835f499b89f7413e30c7c8bd6bbabdfe51888522ab
ccsetup536_slim.exe - CCleaner Free (slim)
MD5: d202df9e550213020ef16974ebf434ec
SHA256: f1e8d52e22a9ada15754535683980d6d7bd81c1533372b505d7d76d5cd0ef2a2
ccsetup536_be.exe - CCleaner Business Edition installer
MD5: 1e703d41d5efa550a2eb2ea078b3f6ec
SHA256: 7fdb17c0e7bcb9a5586ebaa5272759f8919bb1852b266eced980de6d59f1e4e2
ccsetup536_be_trial.exe - CCleaner Business Edition Trial installer
MD5: 27946048a1a95d8adf48212c8bb92442
SHA256: b76bbeebeb758766deba9ed6cee6ff95b0e90a4d6186dfd26d8cde452270daae
ccsetup536_x64_be.msi - CCleaner Business Edition 64-bit MSI installer
MD5: 968f7d74c8432208d4aa075e6a54fb7c
SHA256: 6bd8cf256bdb06e566a936b1f0c7e848018f20309dc0c4e87f2aaeeed931c569
ccsetup536_x86_be.msi - CCleaner Business Edition 32-bit MSI installer
MD5: 21f321d26e8021c4280c36217a9de310
SHA256: d0faee386265dda852a96972ff4f616584a343125c59e4f2c88e0d0747733c4a
CCleaner Application Executables
CCleaner.exe - CCleaner 32-bit binaries
MD5: cb1b3f1a1c268609344add54a0586633 / 116841aff1449967bb81329cd6014b43
SHA256: eae67b1cb15ba359b9b686c3b728f5bd47d73c4716234e8e2471fee8cf563905 / e4f1b5b9c0b94fdea3d3913d5e6c2ff4a2a3ec9b6005e6000df2a337fd1cc4dc
CCleaner64.exe - CCleaner 64-bit binaries
MD5: ed5dee709f009cb1f9b35accaae2af0d / fb545bdcfc14b3c956a26fa7ce65c1f7
SHA256: c3c38be49dc8939cedff89b852632094f13ad2e569c65363bec9039c2d2382fb / aacf0d3ac1b91fc0a65c2ddb5b8cca86cb4cbac5a1257b3e6e977e28f2f7df40
CCUpdate.exe - CCleaner Emergency Updater
MD5: 3c3236e8f0c22e177752894a43b00332
SHA256: 58485fb52034e30afed91f7ec0b344bf09a19cc8073a1efaa2c96b2c3e00558a / 
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