Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

4, 14, 00, 4707 11.43%
4, 13, 00, 4693 2.86%
4, 11, 00, 4619 2.86%
4, 09, 00, 4471 8.57%
4, 08, 00, 4428 2.86%
4, 07, 00, 4369 8.57%
4, 05, 00, 4250 5.71%
4, 03, 00, 4151 5.71%
4, 02, 00, 4115 14.29%
4, 01, 00, 4093 2.86%
4, 00, 0, 4064 5.71%
3, 28, 0, 1913 2.86%
3, 27, 0, 1900 5.71%
3, 26, 0, 1888 5.71%
3, 25, 0, 1872 2.86%
3, 24, 0, 1850 2.86%
3, 23, 0, 1823 5.71%
3, 15, 0, 1643 2.86%

Relationships

ccleaner64.exe

CCleaner by Piriform Ltd (Signed)

Remove ccleaner64.exe
Version:   4, 09, 00, 4471
MD5:   151b6a24c5ac64acab6a40be5c57df6c
SHA1:   8e4c9ce3ac7cc777d834141d1e2fd3435e5530cf

What is ccleaner64.exe?

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.

About 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

DetailsDetails

File name:ccleaner64.exe
Publisher:Piriform Ltd
Product name:CCleaner
Typical file path:C:\Program Files\ccleaner\ccleaner64.exe
Original name:ccleaner.exe
File version:4, 09, 00, 4471
Size:5.7 MB (5,973,272 bytes)
Build date:12/13/2013 10:41 AM
Certificate
Issued to:Piriform Ltd
Authority (CA):VeriSign
Effective date:Wednesday, July 6, 2011
Expiration date:Friday, August 23, 2013
Digital DNA
File packed:No
Code language:Microsoft Visual C# / Basic .NET
.NET CLR:Yes
.NET NGENed:No
More details

ResourcesPrograms

The following programs will install this file
Piriform
3% remove
CCleaner 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 along with browsing history, cookies, recycle bin, memory dumps, file fragments, log files, system caches, application data, autocomplete form history, and various other data. The program also ...
Skype Technologies S.A.
8% remove
Skype is a proprietary Voice over IP service and software application. The service allows users to communicate with peers by voice using a microphone, video by using a webcam, and instant messaging over the Internet. Phone calls may be placed to recipients on the traditional telephone networks. Calls to other users within the Skype service are free of charge, while calls to landline telephones and mobile phones are charged via a debit-b...

BehaviorsBehaviors

Startup files (user) run
Runs under the registry key 'HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'
  • 'CCleaner Monitoring' → "C:\Program Files\CCleaner\CCleaner64.exe" /MONITOR
  • 'ccleaner' → "C:\Program Files\CCleaner\CCleaner64.exe" /AUTO
Scheduled tasks
  • The task '{D9A89641-CEEB-41CC-B019-CC7E82B8CAA1}' runs on registration in the path '\{D9A89641-CEEB-41CC-B019-CC7E82B8CAA1}'
  • Entry path '\Ccleaner'

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00060226%
0.028634%
Kernel CPU:0.00035403%
0.013761%
User CPU:0.00024823%
0.014873%
Kernel CPU time:5,102,234 ms/min
100,923,805ms/min
Memory
Private memory:86.07 MB
21.59 MB
Private (maximum):9.37 MB
Private (minimum):1.23 MB
Non-paged memory:86.07 MB
21.59 MB
Virtual memory:222.04 MB
140.96 MB
Virtual memory (peak):232.28 MB
169.69 MB
Working set:5.78 MB
18.61 MB
Working set (peak):12.96 MB
37.95 MB
Page faults:1,422,014/min
2,039/min
Resource allocations
Threads:4
12
Handles:255
600
GUI GDI count:76
103
GUI GDI peak:89
142
GUI USER count:40
49
GUI USER peak:44
71

BehaviorsProcess properties

Integrety level:High
Platform:64-bit
Command lines:
  • "C:\Program Files\ccleaner\ccleaner.exe" /monitor /uac
  • "C:\Program Files\ccleaner\ccleaner.exe" /uac
Owner:User

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 41.18%
Windows 8 Pro 14.71%
Windows 8.1 Pro 8.82%
Windows 7 Ultimate 8.82%
Windows 8.1 5.88%
Windows 8 5.88%
Windows 8.1 Single Language 2.94%
Windows Vista Home Premium 2.94%
Windows 7 Home Basic 2.94%
Windows 7 Enterprise 2.94%
Windows 8 Pro with Media Center 2.94%

Distribution by countryDistribution by country

United States installs about 42.42% of CCleaner.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
ASUS 25.64%
Hewlett-Packard 23.08%
Sony 15.38%
Toshiba 15.38%
Dell 10.26%
Acer 7.69%
GIGABYTE 2.56%
Should I remove It? Clean your PC of unwanted adware, toolbars and bloatware.

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