84,488,480 programs installed

Should I remove MyCleanPC PC Optimizer?

What percent of users and experts removed it?
61% remove it39% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #14,749
United States Rank #7,339
Reach 0.0192%
Lifespan of installation (until removal)
< 14.46 days
426.68 days >
Average installed length: 224.19 days


VersionDistribution 0.79% 0.26% 0.26% 3.70% 2.38% 0.53%
2.0.648.15898 39.68%
2.0.648.15539 17.99%
2.0.648.15343 4.50%
2.0.648.15327 7.41%
2.0.648.15224 3.17%
2.0.648.14406 10.32%
2.0.648.13814 2.12%

MyCleanPC PC Optimizer

What is MyCleanPC PC Optimizer?

MyCleanPC PC Optimizer is the exact same rebranded verion of MyCleanPC that requires you to purchase an activation code for the full version of MyCleanPC. MyCleanPC PC Optimizer is a Windows registry repair software utility designed to fix potentially damaged registry entries by scanning for entries that point to various files that are no longer active on the PC.

About  (from USTechSupport)

MyCleanPC PC Optimizer is a downloadable software tool that offers you a free diagnosis of issues that may be affecting your PC’s performance. Once you’ve completed your diagnosis, you can choose to activate the full version of the software in order to remove many of the issues that have been found. If you choose, you ...  Read more


The most used version is 2.0.648.15898, with over 98% of all installations currently using this version. Upon installation and setup, it defines an auto-start registry entry which makes this program run on each Windows boot for all user logins. It adds a background controller service that is set to automatically run. Delaying the start of this service is possible through the service manager. A scheduled task is added to Windows Task Scheduler in order to launch the program at various scheduled times (the schedule varies depending on the version). When installed, it will add a context menu handler to the Windows shell in order to provide quick access to the program. The main program executable is USTSPCODefragSrv.exe. A vast majority of those who have this installed end up removing it just after a couple weeks. The software installer includes 76 files and is usually about 40.13 MB (42,082,966 bytes). USTSPCOCheckUpdate.exe is the automatic update component of the software designed to download and apply new updates should new versions be released.
  • Possible malware installed by this program
  • Automatically starts with Windows
  • Installs a Windows Service
  • Many experts agree, if you don't use it you should remove it!
Warning, multiple anti-virus scanners have detected possible malware in MyCleanPC PC Optimizer.
USTSPCO.exe (bf30eae6b3941751ff6f8d7f78e899fc) has been flagged by the following 7 scanners:
Anti-Virus softwareVersionDetection
Agnitum Outpost 7.1.1 Riskware.Agent
AVG 2016.0.3015 MyCleanPC
AVware Trojan.Win32.Generic!BT
ESET-NOD32 9.11673 a variant of Win32/Systweak.L potentially unwanted
McAfee 5600.6671 Artemis!BF30EAE6B394
McAfee-GW-Edition 7.6671 Artemis
VIPRE Antivirus 40488 Trojan.Win32.Generic!BT
Bundled relationships

Program detailsProgram details

URL: www.ustechsupport.com
Installation folder: C:\Program Files\USTechSupport\PC Optimizer\
Uninstaller: C:\Config.msi\{AB56B977-66D9-411E-B4AA-F4BAD1AD5EBF}\PCOSetup_1.0.5.0.exe /uninstall
Estimated size: 40.13 MB

Program filesFiles installed by MyCleanPC PC Optimizer

Program executable:USTSPCODefragSrv.exe
Name:PC Optimizer
PC Optimizer - Defrag Service
Path:C:\Program Files\USTechSupport\PC Optimizer\USTSPCODefragSrv.exe
Additional files:
  • AsInvoker.exe - PC Optimizer (PC Optimizer - UAC Launcher)
  • asores.dll
  • Downloader.dll
  • HighestAvailable.exe
  • KillUSTSPCOProcesses.exe - PC Optimizer - Install Helper
  • RequireAdministrator.exe
  • ustpcopt.exe - PC~Optimizer
  • (Malware detected) USTSPCO.exe
  • USTSPCO_RC.exe - PC Optimizer - RC
  • USTSPCOCheckUpdate.exe - PC Optimizer - Checking for Updates
  • USTSPCODefragServiceManager.exe
  • USTSPCODefragSrv.exe - PC Optimizer - Defrag Service
  • USTSPCODefragSrv64.exe
  • USTSPCODiskOptimizer.exe - PC Optimizer - Disk Optimizer
  • USTSPCOHelper.dll
  • USTSPCOPrivacyProtector.exe - PC Optimizer - Privacy Protector
  • USTSPCORegClean.exe - PC Optimizer - Registry Cleaner
  • USTSPCORegistryOptimizer.exe - PC Optimizer - Registry Optimizer
  • USTSPCOsys.dll
  • USTSPCOSysFileBakRes.exe - PC Optimizer - System Files Backup and Restore
  • USTSPCOSystemCleaner.exe - PC Optimizer - System Cleaner
  • USTSPCOuninstaller.exe - PC Optimizer - Uninstall Helper
  • unrar.dll (by Alexander Roshal) - RAR decompression library
  • Network.dll (by CyberDefender) - CyberDefender
  • zlibwapi.dll - zlib (zlib data compression library)
  • ASEng.dll
  • asohtm.dll
  • unins000.exe - Setup/Uninstall
  • xmllite.dll

Program behaviorsBehaviors exhibited

Context Menu Handler
  • zlibwapi.dll added to Windows Explorer under the name 'DefragglerShellExtension' with a class of {4380C993-0C43-4E02-9A7A-0D40B6EA7590}.
2 Scheduled Tasks
  • ustpcopt.exe is scheduled as a task named 'USTSPCO-USTSPCOOneClickCare' (runs weekly on Tuesdays at 5:47 PM).
  • USTSPCO.exe is scheduled as a task named 'USTSPCO-USTSPCOOneClickCare' (runs weekly on Thursdays at 6:51 PM).
2 Scheduled Tasks (Boot/Login)
  • USTSPCO.exe is automatically launched at startup through a scheduled task named MyCleanPC PC Optimizer.
  • ustpcopt.exe is automatically launched at startup through a scheduled task named MyCleanPC PC Optimizer.
2 Services
  • USTSPCODefragSrv.exe runs as a service named 'USTSPCODiskOptimizer' (USTSPCODiskOptimizer).
  • USTSPCODefragSrv64.exe runs as a service named 'USTSPCODiskOptimizer' (USTSPCODiskOptimizer).
Startup File (All Users Run)
  • USTSPCO.exe is loaded in the all users (HKLM) registry as a startup file name 'MaxMySpeed PC Optimizer' which loads as "C:\Program Files\USTechSupport\PC Optimizer\USTSPCO.exe" /autorun.

Program resource utilizationResource utilization averages

Memory:6.03 MB
21.09 MB average
Total CPU:0.0013990542%
0.031193% average
Kernel CPU:0.00118435%
0.016088% average
User CPU:0.00021471%
0.015104% average
Memory:1.39 MB
Total CPU:0.0002915531%
Kernel CPU:0.00019648%
User CPU:0.00009507%
CPU cycles/sec:39,971

How do I remove MyCleanPC PC Optimizer?

You can uninstall MyCleanPC PC Optimizer from your computer by using the Add/Remove Program feature in the Window's Control Panel.
  1. On the Start menu (for Windows 8, right-click the screen's bottom-left corner), click Control Panel, and then, under Programs, do one of the following:
    • Windows Vista/7/8/10: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program MyCleanPC PC Optimizer, click it, and then do one of the following:
    • Windows Vista/7/8/10: Click Uninstall.
    • Windows XP: Click the Remove or Change/Remove tab (to the right of the program).
  3. Follow the prompts. A progress bar shows you how long it will take to remove MyCleanPC PC Optimizer.
  4. If for some reason uninstallation fails, please install Microsoft's uninstall fixer utility which will help fix problems with programs that can't be uninstalled at support.microsoft.com.

Win 7 (SP1) 57%
Win XP 1%
Automatically starts? Yes
(Found in the run registry)
Uninstall it 61%
Keep it 39%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 59.63%
Windows 10 26.65%
Windows Vista 8.18%
Windows XP 5.54%
Which OS releases does it run on?
Windows 7 Home Premium 45.21%
Windows 8.1 8.78%
Windows 10 Home 7.45%
Windows Vista Home Premiu... 6.91%
Windows 7 Ultimate 6.65%
Windows 7 Professional 5.59%

Distribution by countryGeography

95.22% of installs come from the United States
Which countries install it?
  United States 95.22%
  India 0.80%
  DZ 0.32%
  TT 0.32%
  Malaysia 0.32%
  Colombia 0.16%
  IQ 0.16%
  Jamaica 0.16%
  Mexico 0.16%
  New Zealand 0.16%
  TN 0.16%
  BD 0.16%
  MA 0.16%
  Netherlands 0.16%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 36.51%
Dell 25.66%
Acer 15.13%
Toshiba 10.20%
ASUS 5.59%
Intel 2.30%
Lenovo 1.64%
Samsung 1.64%
Alienware 0.66%
Gateway 0.66%
Common models
HP 2000 Notebook PC 5.26%
HP 15 Notebook PC 3.51%
HP Pavilion g7 Notebook P... 3.51%
HP Pavilion g6 Notebook P... 3.51%
VMware, Inc. VMware Virtu... 2.34%
HP Pavilion dv7 Notebook ... 2.34%


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