74,139,804 programs installed

Should I remove SpyHunter 4?

What percent of users and experts removed it?
43% remove it57% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #1,957
United States Rank #2,202
Reach 0.3958%
Installation trends (last 30 days)
Uninstallation trends (last 30 days)
Lifespan of installation (until removal)
< 3.56 days
105.13 days >
Average installed length: 55.24 days


VersionDistribution 0.14% 4.68% 7.22% 25.46% 0.02% 31.08% 31.39%

Typically installed together

Other programs by Enigma Software Group

SpyHunter 4


SpyHunter 4 is a program developed by Enigma Software Group. The most used version is, 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). The software is designed to connect to the Internet and adds a Windows Firewall exception in order to do so without being interfered with. The main program executable is spyhunter4.exe. The software installer includes 49 files and is usually about 56.63 MB (59,383,842 bytes). EnigmaUpdater.dll is the automatic update component of the software designed to download and apply new updates should new versions be released. In comparison to the total number of users, most PCs are running the OS Windows 7 (SP1) as well as Windows 8. While about 40% of users of SpyHunter 4 come from the United States, it is also popular in United Kingdom and Germany.
SpyHunter 4 has been found to be bundled with 3rd party software. If you have not purposefully installed this, you should be safe uninstalling it.

Program detailsProgram details

Displayed publisher: Enigma Software Group, LLC
Installation folder: C:\Program Files\Enigma Software Group\SpyHunter\
Uninstaller: C:\users\user\appdata\Roaming\Enigma Software Group\sh_installer.exe -r sh
Estimated size: 56.63 MB

Program filesFiles installed by SpyHunter 4

Program executable:spyhunter4.exe
SpyHunter4 application
Path:C:\Program Files\enigma software group\spyhunter\spyhunter4.exe
Additional files:
  • EsgScanner.sys - File read driver (Enigma file read driver)
  • ActiveKill.dll - SpyHunter3
  • ActiveXKill.dll
  • br.exe - Batch Remover
  • Common.dll - SpyHunter4 (Common interface)
  • Common_IObitDel.dll
  • Defman.dll - Definitions manager
  • Defman_IObitDel.dll
  • EnigmaUpdater.dll
  • esgiguard.sys - Execution Guard
  • ESGRKCHK.exe - ESG Rootkit detection toolkit
  • ExecutionGuard.dll
  • ExecutionGuard_IObitDel.dll
  • HelpDesk.dll
  • HFMonitor.dll
  • Language.dll
  • NetworkSentry.dll
  • Options.dll - Options
  • ProcessGuard.dll - ProcessGuard
  • RegistryGuard.dll - RegistryGuard
  • Scanner.dll - Scanner
  • Scheduler.dll
  • SH4Service.exe - Service scanner interface
  • SH4Service_IObitDel.exe
  • ShScanner.dll - Sh scanner
  • ShScanner_IObitDel.dll
  • SpyHunter3.exe
  • SpyHunter4_IObitDel.exe - SpyHunter4 application
  • Updater.dll
  • WSAMonitor.dll
  • SpyHunter-Installer.exe - Installer (Enigma Installer)
  • spyhunterS4.exe - SpyHunter
  • native.exe

Program behaviorsBehaviors exhibited

2 Scheduled Tasks
  • SpyHunter4.exe is scheduled as a task named 'SpyHunter4' (runs weekly on Saturdays at 2:00 AM).
  • SH4Service.exe is scheduled as a task named 'SDMsgUpdate (TE)' (runs daily at 04:37).
3 Scheduled Tasks (Boot/Login)
  • SpyHunter4.exe is automatically launched at startup through a scheduled task named SpyHunter4Startup.
  • SH4Service.exe is automatically launched at startup through a scheduled task named SDMsgUpdate (TE).
  • SpyHunter3.exe is automatically launched at startup through a scheduled task named SpyHunter3.
  • SH4Service.exe runs as a service named 'SpyHunter 4 Service' (SpyHunter 4 Service) "SpyHunter 4 Helper Service".
Startup File (User Run)
  • SpyHunter4.exe is loaded in the current user (HKCU) registry as an auto-starting executable named 'Spy Hunter' and executes as "C:\Program Files\Enigma Software Group\SpyHunter\SpyHunter4.exe".
Startup File (All Users Run)
  • SpyHunter4.exe is loaded in the all users (HKLM) registry as a startup file name 'SpyHunter Security Suite' which loads as "C:\Program Files\Enigma Software Group\SpyHunter\SpyHunter4.exe".
Windows Firewall Allowed Program
  • SpyHunter4.exe is added as a firewall exception for 'C:\Program Files\Enigma Software Group\SpyHunter\Spyhunter4.exe'.

Program resource utilizationResource utilization averages

Memory:688 KB
21.09 MB average
Total CPU:0.0002682987%
0.031193% average
Kernel CPU:0.00013911%
0.016088% average
User CPU:0.00012918%
0.015104% average
Memory:32.97 MB
Total CPU:0.0075971968%
Kernel CPU:0.00402523%
User CPU:0.00357197%

How do I remove SpyHunter 4?

Quickly and completely remove SpyHunter 4 from your computer by downloading "Should I Remove It?", its 100% FREE and installs in seconds (click the button below).
Or, you can uninstall SpyHunter 4 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: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program SpyHunter 4, click it, and then do one of the following:
    • Windows Vista/7/8: 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 SpyHunter 4.

Automatically starts? Yes
(Found in the run registry)
Uninstall it 43%
Keep it 57%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 48.98%
Windows 8 43.56%
Windows Vista 3.72%
Windows XP 3.68%
Windows 8.1 0.04%
Windows Server 2003 0.02%
Which OS releases does it run on?
Windows 7 Home Premium 25.87%
Windows 8.1 17.93%
Windows 7 Professional 10.37%
Windows 7 Ultimate 10.28%
Windows 10 Home 8.42%
Windows 8.1 Pro 5.45%

Distribution by countryGeography

39.77% of installs come from the United States
Which countries install it?
  United States 39.77%
  United Kingdom 6.02%
  Germany 5.85%
  Italy 3.94%
  France 3.40%
  Netherlands 3.34%
  Canada 3.26%
  Brazil 3.22%
  Australia 3.20%
  India 1.61%
  Spain 1.55%
  Sweden 1.50%
  Belgium 1.36%
  DK 1.20%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 27.80%
Dell 19.54%
Acer 16.78%
ASUS 10.78%
Toshiba 8.70%
Lenovo 5.82%
Samsung 3.65%
Intel 1.49%
American Megatrends 0.71%
Medion 0.71%
Common models
ASUS All Series 5.35%
HP Pavilion dv6 Notebook ... 4.55%
HP Pavilion 15 Notebook P... 4.28%
HP 15 Notebook PC 3.65%
HP Pavilion dv7 Notebook ... 3.65%
HP Pavilion g6 Notebook P... 3.39%

About (from Enigma Software Group)

Enigma Software Group USA LLC (”ESG”) is a privately-held international systems integrator and developer of PC security software, with offices in the United States, and the European Union (Lithuania & Bulgaria).
Publisher URL: www.enigmasoftware.com


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