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, 02, 00, 4115
MD5:   e5c50d7f326ac51105b2737d31eebddb
SHA1:   eac4ecd2d008b30b479fc6eb5508ba395f670457
SHA256:   8c3ef83276ee192e396cacb7a13da6eaa8ebcd921d5aa817e06f2db2744caf26

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, 02, 00, 4115
Size:5.87 MB (6,154,008 bytes)
Build date:5/24/2013 3:53 PM
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
ManagePC
5% remove
Paragon Software
1% remove
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
11% remove
Speccy is a tool that allows the user to see information about hardware and software of the computer. The information displayed by Speccy including processor brand and model, hard drive size and speed, amount of memory (RAM), information about graphics card and operating system and other things. Speccy is for seeing what kind of hardware you are using and how it's being used.
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.
Piriform
8% remove
Recuva is a data recovery program and is able to recover files that have been "permanently" deleted and marked by the operating system as free space. As with other file recovery programs Recuva works by looking for unreferenced data, but if the operating system has written new data over a deleted file then recovery will often not be possible.
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'

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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