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What is ccleaner64.exe?

Part of CCleaner by Piriform Ltd

What is it?

CCleaner (formerly Crap Cleaner), developed by Piriform, is a utility program used to clean potentially unwanted files and invalid Windows Registry entries from a computer. CCleaner supports the cleaning of temporary or potentially unwanted files left by certain programs. CCleaner can be employed to uninstall programs. In addition, CCleaner allows the alteration of start-up programs.
Description of ccleaner64.exe from Piriform Ltd
CCleaner is our system optimization, privacy and cleaning tool. It removes unused files from your system - allowing Windows to run faster and freeing up valuable hard disk space. It also cleans traces of your online activities such as your Internet history. Additionally it contains a fully featured registry cleaner. But the best part is that it's fast (normally taking less than a second to run) and contains NO Spyware or Adware!
Download Boost (100% FREE) Speed up CCleaner and optimize your PC.

How does ccleaner64.exe run?

Process - ccleaner64.exe is an instance of a running program. This 64-bit program executes with the privileges as the currently logged in user account.

How does ccleaner64.exe start?

Startup files (user) run - ccleaner64.exe is registered with the run identifier 'ccleaner' and the execution command '"C:\Program Files\CCleaner\CCleaner64.exe" /AUTO' in the Windows registry HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run. Run keys are startup registry keys that are used to launch an application automatically when a user logs into Windows.
Scheduled task - ccleaner64.exe is launched automatically by registering itself into the Windows Task Scheduler under the task name '\Ccleaner'. Task Scheduler provides the ability to schedule the launch of programs or scripts at pre-defined times or after specified time intervals or even with event-based triggers.


What is the community is seeing?What is the community is doing?
About 0.1% of all Boost users have the ccleaner64.exe process running.Of the 0.1% of ccleaner64.exe users, 13.0% have disabled it.
How stable is CCleaner?
Based on crash data discovered by Boost, stability is a measure of how sound this particular process and the average percent of times it crashes.
Typical program1.26%
How resource intensive is ccleaner64.exe?
Comparison based on the average resource utilization across all programs.
0.00009% CPU915.7%
Average CPU utilization across all programs is 0.00001%.
7.39 MB RAM34.3%
Average private memory utilization across all programs is 21.53 MB.
 2 /min0.1%
Average I/O read and write operations for all programs is 2,253 per minute.
58 GDI objects38.7%
Average number of GUI GDI and USER objects for all programs is 150.
Typical file (disk image) location:
C:\Program Files\ccleaner\ccleaner64.exe

Are there other versions of CCleaner?

What modules are loaded?

A module is a dynamic link library (DLL) or an executable file that is loaded into the process. Below is a list of non-system modules that are loaded by CCleaner.

What else is related?

CCleaner Stability

ccleaner64.exe crashes or has encountered a critical error 0.8900% of the time.
Error: Stopped responding and was closed (AppHangB1)
Details: A problem caused this program to stop interacting with Windows.
Occurred: over 6 months ago

What Windows OS versions does this run on?

Windows 7 Home Premium (6.1.7601.65536)
Windows 8.1 (6.2.9200.0)
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File details

File name: ccleaner64.exe
Publisher: Piriform Ltd (verified)
Name: CCleaner
Description: CCleaner
Version: 4, 14, 00, 4707
Size: 5.87 MB
Original file name: ccleaner.exe

Digital certificate

Issued to: Piriform Ltd
Certificate authority: VeriSign
Effective date: 7/6/2011
Expiration date: 8/23/2013

Resource utilization

CPU utilization averages
Total CPU: 0.0001731961%
Privileged CPU: 0.0000816241%
User CPU: 0.00009157201270%
Privileged CPU time: 75640.62 ms
Privileged CPU time /min: 12 ms
CPU cycle count: 2,122,429,600
CPU cycle count /min: 25,310,325
Memory utilization averages
Committed memory: 161.69 MB
Peak committed memory: 180.03 MB
Paged memory: 7.39 MB
Peak paged memory: 7.64 MB
Paged system memory: 313.61 KB
Non-paged system memory: 21.22 KB
Working set memory: 6.48 MB
Peak working set memory: 22.34 MB
Min working set memory: 4.68 MB
Private memory: 7.39 MB
Page faults: 686,773
Page faults /min: 105
Process I/O averages
Total read operations: 8,531
Read operations /min: 1
Total read transfer: 5.04 MB
Read transfer /min: 809 Bytes
Total write operations: 1,225
Write operations /min: 1
Total write transfer: 3.2 MB
Write transfer /min: 514 Bytes
Total other operations: 1,036,017
Other operations /min: 159
Total other transfer: 65.55 MB
Other Transfer /min: 10.27 KB
GUI Object Averages
GDI objects: 58
Peak GDI objects: 80
USER objects: 42
Peak USER objects: 55
Handle count average: 380
Thread count average: 8
Thread resource averages

Process details

Runs as (owner): User
Integrety level: High
Windows platform: 64-bit
System Tray: Yes
Process Command
"C:\Program Files\CCleaner\CCleaner64.exe" /monitor

Startup files (user) run details

Name: CCleaner Monitoring
Command: "C:\Program Files\CCleaner\CCleaner64.exe" /MONITOR

Scheduled task details

CLSID: {D9A89641-CEEB-41CC-B019-CC7E82B8CAA1}
Command: \{D9A89641-CEEB-41CC-B019-CC7E82B8CAA1}

Image hashes

MD5: 53733ab7c92e524d2413a39433ff874f
SHA-1: 411fb1990f5f55dd2bccec54bfc3f0c5de0332e6

PE image details

CLR assembly: Yes
Langauge*: Microsoft Visual C# / Basic .NET
File packed: No
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