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:   3, 28, 0, 1913
MD5:   8acf67c60afc9918fe12c1588ac3b8ef
SHA1:   717490e6946313eeab68c2053cb1f4813c3ffd0e
SHA256:   abc247ae979b8dbf87ad515e4dbdc981024f9b2def2bc90dd0d8d32685619519

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:3, 28, 0, 1913
Size:5.39 MB (5,655,832 bytes)
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
5% remove
Defraggler is a defragmentation utility which allows users to defragment individual files on their computer system. Defraggler can defragment individual files, groups of files (in a folder) or an entire disk partition, either by the user's command or automatically on a schedule. It supports FAT32, NTFS, and exFAT.

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'

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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