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, 01, 00, 4093
MD5:   b67f316de1eefb0dadc1af30633a9d83
SHA1:   8bfb6c9bacd5ea20d6b8fdaee2f4d20e93953ceb
SHA256:   e0121463e8e9c529a79fb287fa693c48b5659c7efd059aa9b7661e43cedb583d

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, 01, 00, 4093
Size:5.79 MB (6,070,040 bytes)
Build date:4/20/2013 6:09 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 ...
Piriform Ltd
8% remove
SilentAll Team & Progressive
9% remove

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:0.00103949%
0.028634%
Kernel CPU:0.00070790%
0.013761%
User CPU:0.00033159%
0.014873%
Kernel CPU time:15,460 ms/min
100,923,805ms/min
CPU cycles:803,929/sec
17,470,203/sec
Memory
Private memory:15.67 MB
21.59 MB
Private (maximum):28.71 MB
Private (minimum):1.82 MB
Non-paged memory:15.67 MB
21.59 MB
Virtual memory:168.54 MB
140.96 MB
Virtual memory (peak):195.71 MB
169.69 MB
Working set:16.92 MB
18.61 MB
Working set (peak):28.71 MB
37.95 MB
Page faults:34,056/min
2,039/min
I/O
I/O read transfer:657 Bytes/sec
1.02 MB/min
I/O read operations:13/sec
343/min
I/O write transfer:837 Bytes/sec
274.99 KB/min
I/O write operations:1/sec
227/min
I/O other transfer:2.79 KB/sec
448.09 KB/min
I/O other operations:88/sec
1,671/min
Resource allocations
Threads:2
12
Handles:314
600
GUI GDI count:187
103
GUI USER count:91
49

BehaviorsProcess properties

Integrety level:High
Platform:64-bit
Command line:"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%
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