[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\wscsvc\Parameters] "ServiceDll"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f, 00,74,00,25,00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c, 00,77,00,73,00,63,00,73,00,76,00,63,00,2e,00,64,00,6c,00,6c,00,00,00 "ServiceDllUnloadOnStop"=dword:00000001 | Value | Data | Meaning | |-------|------|---------| | Start | 2 | Automatic (Delayed Start) | | Start | 3 | Manual | | Start | 4 | Disabled | | Type | 0x10 | Own process | | ErrorControl | 1 | Normal error handling | | ImagePath | svchost -k localservice | Host process | | ServiceDll | wscsvc.dll | Actual service code | 3. Why Would Someone Use wscsvc.reg ? A. Fix Security Center not starting If Windows shows “Security Center service is turned off” and normal methods fail, importing a correct wscsvc.reg restores service configuration. B. Disable persistent security notifications Some users disable WSC to stop “No antivirus found” warnings when they intentionally run without one. ⚠️ Not recommended for regular users. C. Post-malware cleanup Malware often disables WSC to avoid detection. A clean wscsvc.reg helps revert the damage. D. Unattended Windows setup System integrators use .reg files to pre-configure WSC behavior during automated deployments (e.g., disable firewall alerts in a kiosk build). 4. Risks & Warnings | Risk | Explanation | |------|-------------| | Disabling security monitoring | Malware can use wscsvc.reg to disable WSC, then infect the system unnoticed. | | Corrupting the service | Wrong registry values (e.g., bad ServiceDll path) break Security Center entirely. | | Group Policy conflicts | Domain-joined machines may override local WSC settings via GPO. | | Antivirus detection | Legitimate .reg files are often flagged by AV because malware uses similar tactics. | Never import a wscsvc.reg from an untrusted source — it could set Start=4 (disabled) and hide malicious activity. 5. How to Use wscsvc.reg Safely Step 1: Backup the current WSC registry key reg export "HKLM\SYSTEM\CurrentControlSet\Services\wscsvc" wscsvc_backup.reg Step 2: Inspect the .reg file Open it in Notepad. Verify it only contains wscsvc related keys — no HKLM\Software\Microsoft\Windows\CurrentVersion\Run or similar. Step 3: Import reg import wscsvc.reg or double-click the file (if UAC is enabled, confirm elevation). Step 4: Restart the service or reboot net stop wscsvc net start wscsvc Step 5: Verify Open Windows Security → Settings → Security Center service status. 6. Manual Alternative (Without .reg file) Instead of using a .reg file, you can fix WSC via Command Prompt (Admin) :
# Reset service to default sc config wscsvc start= delayed-auto sc failure wscsvc reset= 86400 actions= restart/5000/restart/10000/restup/30000 regsvr32 /s wscsvc.dll regsvr32 /s wscapi.dll Restart service net stop wscsvc && net start wscsvc 7. Malware Abuse Case Study Trojan: Win32/Fareit – observed to drop wscsvc.reg with contents: wscsvc.reg file
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\wscsvc] "Start"=dword:00000002 "Type"=dword:00000010 "ErrorControl"=dword:00000001 "ImagePath"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f, 00,74,00,25,00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c, 00,73,00,76,00,63,00,68,00,6f,00,73,00,74,00,2e,00,65,00,78,00,65,00,20, 00,2d,00,6b,00,20,00,6c,00,6f,00,63,00,61,00,6c,00,73,00,65,00,72,00,76, 00,69,00,63,00,65,00,00,00 "DisplayName"="@%SystemRoot%\System32\wscsvc.dll,-200" "Group"="COM Infrastructure" "DependOnService"=hex(7):72,00,70,00,63,00,73,00,73,00,00,00,00,00 "ObjectName"="LocalSystem" "Description"="@%SystemRoot%\System32\wscsvc.dll,-201" Fix Security Center not starting If Windows shows
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\wscsvc] "Start"=dword:00000004 This disables Security Center entirely, then the malware suppresses Windows Defender via other registry changes. The user sees no warnings. ⚠️ Not recommended for regular users
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\wscsvc Example contents to the service startup type to automatic delayed start: