Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

4, 15, 00, 4725 0.20%
4, 14, 00, 4707 7.77%
4, 13, 00, 4693 1.79%
4, 12, 00, 4657 0.20%
4, 11, 00, 4619 1.20%
4, 10, 00, 4570 1.00%
4, 09, 00, 4471 1.20%
4, 08, 00, 4428 0.80%
4, 07, 00, 4369 5.58%
4, 06, 00, 4324 5.38%
4, 05, 00, 4250 3.19%
4, 04, 00, 4197 2.39%
4, 03, 00, 4151 3.98%
4, 02, 00, 4115 5.38%
4, 01, 00, 4093 5.18%
4, 00, 0, 4064 5.78%
4, 00, 0, 4064 0.20%
3, 28, 0, 1913 4.98%
3, 28, 0, 1913 0.20%
3, 27, 0, 1900 9.96%
3, 26, 0, 1888 7.37%
3, 26, 0, 1888 0.20%
3, 25, 0, 1872 6.37%
3, 24, 0, 1850 7.37%
3, 24, 0, 1850 0.20%
View more

Relationships

ccleaner.exe

CCleaner by Piriform Ltd (Signed)

Remove ccleaner.exe
Version:   4, 15, 00, 4725
MD5:   11543deb4316b9dbb42999c83495838f
SHA1:   c3e7f4fc05b2a9034c824cffcd57aae18a813668

What is ccleaner.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 ccleaner.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:ccleaner.exe
Publisher:Piriform Ltd
Product name:CCleaner
Typical file path:C:\Program Files\ccleaner\ccleaner.exe
File version:4, 15, 00, 4725
Size:4.41 MB (4,624,152 bytes)
Build date:6/24/2014 3:18 PM
Certificate
Issued to:Piriform Ltd
Authority (CA):VeriSign
Effective date:Tuesday, July 5, 2011
Expiration date:Thursday, August 22, 2013
Digital DNA
File packed:No
.NET CLR: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.
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.

BehaviorsBehaviors

Scheduled tasks
  • The task 'CCleanerSkipUAC' runs in the path '\CCleanerSkipUAC'
  • Entry path '\CCleanerSkipUAC'
Startup files (user) run
Runs under the registry key 'HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'
  • 'ccleaner' → "C:\Program Files\CCleaner\CCleaner.exe" /AUTO
Windows firewall allowed programs
Exceptions allow programs to access to the Internet through an outbound connections
  • Firewall exception for 'C:\Program Files\CCleaner\CCleaner.exe'
  • Firewall exception for 'C:\Programmer\CCleaner\CCleaner.exe'

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 37.00%
Windows 7 Ultimate 17.00%
Windows 7 Professional 9.50%
Windows 8.1 7.00%
Windows 8 Pro 5.50%
Windows 8.1 Pro 5.00%
Windows 8 5.00%
Windows Vista Home Premium 2.50%
Windows 8 Single Language 2.00%
Windows 8.1 Single Language 1.50%
Windows 8 Enterprise N 1.00%
Windows 8.1 Pro with Media Center 1.00%
Windows Vista Home Basic 1.00%
Microsoft Windows XP 1.00%
Windows 8 Pro with Media Center 1.00%
Windows Vista Business 1.00%
Windows 7 Starter 0.50%
Windows 7 Home Basic 0.50%
Windows 8.1 Pro Preview 0.50%
Windows 8 Enterprise 0.50%

Distribution by countryDistribution by country

United States installs about 37.88% of CCleaner.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
ASUS 19.85%
Dell 18.38%
Hewlett-Packard 15.81%
Toshiba 12.50%
Acer 10.29%
Lenovo 8.09%
Sony 5.88%
Intel 3.68%
GIGABYTE 2.57%
Samsung 1.10%
Compaq 0.74%
MSI 0.74%
American Megatrends 0.37%
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