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How to remove WinThruster (Virus Removal Guide)

WinThruster by Solvusoft is detected by a very high amount of Antivirus and Antimalware programs as malware, riskware, a Trojan, adware, and a potentially unwanted program (PUP). According to Google’s virustotal.com website WinThruster has a detection ration of 17/60 which is considered to be extremely high. Malwarebytes will detect this program and its as PUP.Optional.Solvusoft.

WinThruster virustotal

The WinThruster program is a rebranded version of SlowPCFigther and shares the same files therefor the detection results for this program might include SlowPCFigther in the title.

Antivirus Result Update
Avira (no cloud) APPL/SlowPCFighter.32423 20170417
Bkav W32.HfsAdware.D686 20170415
Comodo ApplicUnwnt 20170417
Cyren W32/Trojan.XWVJ-8199 20170417
DrWeb Program.Unwanted.952 20170417
ESET-NOD32 a variant of Win32/SlowPCfighter.A potentially unwanted 20170417
Fortinet Riskware/SlowPCfighter 20170417
K7AntiVirus Adware ( 004bbbf41 ) 20170417
K7GW Adware ( 004bbbf41 ) 20170417
Malwarebytes PUP.Optional.Solvusoft 20170417
McAfee Artemis!FF705FCACBC0 20170417
McAfee-GW-Edition Artemis!Trojan 20170417
Rising PUA.SlowPCfighter!8.16AC (cloud:utrHMWrejSU) 20170417
Symantec SecurityRisk.gen1 20170417
ViRobot Adware.Slowpcfighter.8932000[h] 20170417
Webroot W32.Adware.Gen 20170417
Yandex Riskware.Agent! 20170417

WinThruster is promoted as a PC repair and optimizer tool that maximizes your PC performance my repairing and optimizing the system registry. It claims to reduce startup, program loading, and shutdown times. It also claims to easily fix hundreds of errors involving the hard drive, system components, installed software, hardware, and more.

The program is offered as a free trial for download and a 1-year subscription for $39.95 USD. It can be downloaded from the publisher’s website and found on other locations on the web. One website we saw that was promoting WinThruster used deceptive and dishonest “malware removal guides” to trick victims into downloading the program.

This program is a proven threat and it should be removed from your computer. Other programs by the same publisher also have bad online reputations and are known to be harmful. Internet browsers such as Google Chrome might restrict the program from downloading onto your computer because they say that it can harm your computer.

Remove WinThruster with Malwarebytes


  1. Open your browser window and download Malwarebytes 3.0 Premium or Malwarebytes Anti-Malware Free.
  2. Open the executable file (mb3-setup.exe) to begin installing Malwarebytes.
  3. Select your language, click Next, then select “I accept the agreement,” click the Next button several times, and then click the Install button to install Malwarebytes. Click Finish once the install process is complete.
  4. Open Malwarebytes and click the Scan Now button on the Dashboard to begin scanning your computer.


  1. Click the Quarantine Selected button once the scan is finished.
  2. If Malwarebytes says “All selected items have been removed successfully. A log file has been saved to the logs folder. Your computer needs to be restarted to complete the removal process. Would you like to restart now?” click the Yes button to restart your computer.

Remove WinThruster with HitmanPro


  1. Open your browser window and download HitmanPro.
  2. Open the executable file (hitmanpro_x64.exe or hitmanpro_x32.exe) to begin installing HitmanPro.
  3. Click the Next button, check “I accept the terms of the license agreement,” and click the Next button again.
  4. On the Setup page select “Yes, create a copy of HitmanPro so I can regularly scan this computer (recommended)” and add your email address to the registration fields to begin the free trial.
  5. Click Next to begin scanning your computer.
  6. Once the Scan results are displayed click the Next button and click the Next button again on the Removal results page.

Clean up and fix issues with CCleaner


  1. Open your browser window and download CCleaner Professional or CCleaner Free.
  2. Open the executable file (ccsetup.exe or other) to begin installing CCleaner.
  3. Click the Install button to begin stalling the program.
  4. Click Run CCleaner to open the program when installation is complete.
  5. Select the Cleaner tab and click the Analyze button.
  6. When the Analyze process is complete click the Run Cleaner button to clean all files.
  7. Next, select the Registry tab and click the Scan for Issues button to scan for issues in your registry.
  8. When the scan is complete click the Fix selected Issues button and Fix All Selected Issues button to fix the issues.
  9. Next, select the Tools tab and click Startup. Examine each area, search for suspicious entries, and delete any suspicious startup entries by selecting the entry and clicking the Delete button.
  10. Next, click Browser Plugins and search each internet browser for unwanted browser add-ons and extensions. Click the extension you want to delete and click the Delete button to remove it.

Sean Doyle

Sean is a tech author and engineer with over 20 years of experience in cybersecurity, privacy, malware, Google Analytics, online marketing, and other topics. He is featured in several publications.

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