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What is Registry Doctor?

The Malwarebytes research team has determined that Registry Doctor is a system optimizer and a Trojan.Clicker. These trojans are used in click fraud..

How do I know if my computer is affected by Registry Doctor?

You may see this warning during install:

warning1.png

and this entry in your list of installed programs:

warning4.png

You may also see some these scan results:

warning5.png

How did Registry Doctor get on my computer?

Trojans use different methods for distributing themselves. This particular one was offered as a system optimizer.

How do I remove Registry Doctor?

Our program Malwarebytes can detect and remove this trojan.

  • Please download Malwarebytes to your desktop.
  • Double-click mb3-setup-consumer-{version}.exe and follow the prompts to install the program.
  • Then click Finish.
  • Once the program has fully updated, select Scan Now on the Dashboard. Or select the Threat Scan from the Scan menu.
  • If another update of the definitions is available, it will be implemented before the rest of the scanning procedure.
  • When the scan is complete, make sure that all Threats are selected, and click Remove Selected.
  • Restart your computer when prompted to do so.

Is there anything else I need to do to get rid of Registry Doctor?

  • No, Malwarebytes removes Registry Doctor completely.

How would the full version of Malwarebytes help protect me?

We hope our application and this guide have helped you eradicate this trojan.

As you can see below the full version of Malwarebytes would have protected you against the Registry Doctor trojan. It would have warned you before the trojan could install itself, giving you a chance to stop it before it became too late.

 

protection1.png


and it would have blocked acces to their website:
 

protection2.png


Technical details for experts

Possible signs in FRST logs:
 

(EpizyCleanup) [File not signed] C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor\RegDoc.exe
(Microsoft) [File not signed] C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor\background\epizyHost.exe
Startup: C:\Users\{username}\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\epizyHost.lnk [2019-05-14]
ShortcutTarget: epizyHost.lnk -> C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor\background\epizyHost.exe (Microsoft) [File not signed]
C:\Users\{username}\AppData\Roaming\Registry Doctor

Alterations made by the installer:

File system details [View: All details] (Selection)
---------------------------------------------------
    Adds the folder C:\Users\{username}\AppData\Roaming\Microsoft\Installer\{AD802DCE-DC0E-49D5-9C3C-27B4B2801600}
       Adds the file registrydoc.exe"="5/14/2019 9:10 AM, 4744 bytes, RA
    In the existing folder C:\Users\{username}\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup
       Adds the file epizyHost.lnk"="5/14/2019 9:10 AM, 1320 bytes, A
    Adds the folder C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor
       Adds the file Interop.Scripting.dll"="2/26/2019 10:56 PM, 32768 bytes, A
       Adds the file PlatformInfo.dll"="7/10/2016 8:30 PM, 27136 bytes, A
       Adds the file RegDoc.exe"="3/9/2019 11:09 PM, 667136 bytes, A
       Adds the file RegDoc.exe.config"="2/26/2019 10:56 PM, 234 bytes, A
       Adds the file RegDoc.pdb"="3/9/2019 11:09 PM, 169472 bytes, A
       Adds the file RegDoc.vshost.exe"="3/9/2019 11:06 PM, 11608 bytes, A
       Adds the file RegDoc.vshost.exe.config"="2/26/2019 10:56 PM, 234 bytes, A
       Adds the file RegDoc.xml"="3/9/2019 11:09 PM, 40968 bytes, A
    Adds the folder C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor\background
       Adds the file epizyHost.exe"="3/9/2019 11:19 PM, 135680 bytes, A
       Adds the file epizyHost.exe.config"="1/31/2019 6:47 PM, 261 bytes, A
       Adds the file installdetails.txt"="5/14/2019 9:10 AM, 0 bytes, A
       Adds the file Interop.IWshRuntimeLibrary.dll"="7/6/2016 4:04 PM, 49152 bytes, A
    In the existing folder C:\Users\{username}\Desktop
       Adds the file RegDoc.lnk"="5/14/2019 9:10 AM, 2174 bytes, A

Registry details [View: All details] (Selection)
------------------------------------------------
    [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{AD802DCE-DC0E-49D5-9C3C-27B4B2801600}]
       "AuthorizedCDFPrefix"="REG_SZ", ""
       "Comments"="REG_SZ", "This installer database contains the logic and data required to install Registry Doctor."
       "Contact"="REG_SZ", ""
       "DisplayName"="REG_SZ", "Registry Doctor"
       "DisplayVersion"="REG_SZ", "1.0.0"
       "EstimatedSize"="REG_DWORD", 1122
       "HelpLink"="REG_SZ", ""
       "HelpTelephone"="REG_SZ", ""
       "InstallDate"="REG_SZ", "20190514"
       "InstallLocation"="REG_SZ", "C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor\"
       "InstallSource"="REG_SZ", "C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor 1.0.0\install\"
       "Language"="REG_DWORD", 1033
       "ModifyPath"="REG_EXPAND_SZ, "MsiExec.exe /I{AD802DCE-DC0E-49D5-9C3C-27B4B2801600}"
       "Publisher"="REG_SZ", "Registry Doctor"
       "Readme"="REG_SZ", ""
       "Size"="REG_SZ", ""
       "UninstallString"="REG_EXPAND_SZ, "MsiExec.exe /I{AD802DCE-DC0E-49D5-9C3C-27B4B2801600}"
       "URLInfoAbout"="REG_SZ", ""
       "URLUpdateInfo"="REG_SZ", ""
       "Version"="REG_DWORD", 16777216
       "VersionMajor"="REG_DWORD", 1
       "VersionMinor"="REG_DWORD", 0
       "WindowsInstaller"="REG_DWORD", 1
    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\ASP.NET_4.0.30319\Names]
       "rmOjQHFBcERdys9aMgmcx4FZgThWjpn3sFDaJTjmea5nRVSEVfCDjlS8PsxxhiaCBRKo0DgXI4W9ZcTHn3dN2buIZesqeEP1EF5sOULrXLw2RTZRUoriYp"="REG_DWORD", 4452
    [HKEY_CURRENT_USER\Software\Caphyon\Advanced Installer\LZMA\{AD802DCE-DC0E-49D5-9C3C-27B4B2801600}\1.0.0]
       "AI_ExePath"="REG_SZ", "C:\Users\{username}\Desktop\WRCFree.exe"
    [HKEY_CURRENT_USER\Software\Registry Doctor\Registry Doctor]
       "Path"="REG_SZ", "C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor\"
       "Version"="REG_SZ", "1.0.0"

Malwarebytes log:

Malwarebytes
www.malwarebytes.com

-Log Details-
Scan Date: 5/14/19
Scan Time: 9:18 AM
Log File: 827368ab-7618-11e9-92f0-00ffdcc6fdfc.json

-Software Information-
Version: 3.7.1.2839
Components Version: 1.0.563
Update Package Version: 1.0.10594
License: Premium

-System Information-
OS: Windows 7 Service Pack 1
CPU: x64
File System: NTFS
User: {computername}\{username}

-Scan Summary-
Scan Type: Threat Scan
Scan Initiated By: Manual
Result: Completed
Objects Scanned: 236373
Threats Detected: 31
Threats Quarantined: 30
Time Elapsed: 5 min, 22 sec

-Scan Options-
Memory: Enabled
Startup: Enabled
Filesystem: Enabled
Archives: Enabled
Rootkits: Enabled
Heuristics: Enabled
PUP: Detect
PUM: Detect

-Scan Details-
Process: 2
Trojan.RegistryDoctor, C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor\background\epizyHost.exe, Quarantined, [1455], [682390],1.0.10594
Trojan.RegistryDoctor, C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor\RegDoc.exe, Quarantined, [1455], [682390],1.0.10594

Module: 3
Trojan.RegistryDoctor, C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor\background\epizyHost.exe, Quarantined, [1455], [682390],1.0.10594
Trojan.RegistryDoctor, C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor\Interop.Scripting.dll, Quarantined, [1455], [682390],1.0.10594
Trojan.RegistryDoctor, C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor\RegDoc.exe, Quarantined, [1455], [682390],1.0.10594

Registry Key: 5
Trojan.RegistryDoctor, HKLM\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\{AD802DCE-DC0E-49D5-9C3C-27B4B2801600}, Quarantined, [1455], [682393],1.0.10594
Trojan.RegistryDoctor, HKLM\SOFTWARE\MICROSOFT\TRACING\RegDoc_RASAPI32, Quarantined, [1455], [682392],1.0.10594
Trojan.Clicker, HKLM\SOFTWARE\WOW6432NODE\MICROSOFT\TRACING\epizyhost_RASAPI32, Quarantined, [3210], [680813],1.0.10594
Trojan.RegistryDoctor, HKLM\SOFTWARE\MICROSOFT\TRACING\RegDoc_RASMANCS, Quarantined, [1455], [682392],1.0.10594
Trojan.Clicker, HKLM\SOFTWARE\WOW6432NODE\MICROSOFT\TRACING\epizyhost_RASMANCS, Quarantined, [3210], [680813],1.0.10594

Registry Value: 1
Trojan.RegistryDoctor, HKLM\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\{AD802DCE-DC0E-49D5-9C3C-27B4B2801600}|DISPLAYNAME, Quarantined, [1455], [682393],1.0.10594

Registry Data: 0
(No malicious items detected)

Data Stream: 0
(No malicious items detected)

Folder: 3
Trojan.RegistryDoctor, C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor\background, Quarantined, [1455], [682390],1.0.10594
Trojan.RegistryDoctor, C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor, Quarantined, [1455], [682390],1.0.10594
Trojan.RegistryDoctor, C:\USERS\{username}\APPDATA\ROAMING\REGISTRY DOCTOR, Quarantined, [1455], [682390],1.0.10594

File: 17
Trojan.RegistryDoctor, C:\USERS\{username}\DESKTOP\REGDOC.LNK, Quarantined, [1455], [682391],1.0.10594
Trojan.RegistryDoctor, C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor\background\epizyHost.exe, Quarantined, [1455], [682390],1.0.10594
Trojan.RegistryDoctor, C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor\background\epizyHost.exe.config, Quarantined, [1455], [682390],1.0.10594
Trojan.RegistryDoctor, C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor\background\installdetails.txt, Quarantined, [1455], [682390],1.0.10594
Trojan.RegistryDoctor, C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor\background\Interop.IWshRuntimeLibrary.dll, Quarantined, [1455], [682390],1.0.10594
Trojan.RegistryDoctor, C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor\Interop.Scripting.dll, Quarantined, [1455], [682390],1.0.10594
Trojan.RegistryDoctor, C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor\PlatformInfo.dll, Quarantined, [1455], [682390],1.0.10594
Trojan.RegistryDoctor, C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor\RegDoc.exe, Quarantined, [1455], [682390],1.0.10594
Trojan.RegistryDoctor, C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor\RegDoc.exe.config, Quarantined, [1455], [682390],1.0.10594
Trojan.RegistryDoctor, C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor\RegDoc.pdb, Quarantined, [1455], [682390],1.0.10594
Trojan.RegistryDoctor, C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor\RegDoc.vshost.exe, Quarantined, [1455], [682390],1.0.10594
Trojan.RegistryDoctor, C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor\RegDoc.vshost.exe.config, Quarantined, [1455], [682390],1.0.10594
Trojan.RegistryDoctor, C:\Users\{username}\AppData\Roaming\Registry Doctor\Registry Doctor\RegDoc.xml, Quarantined, [1455], [682390],1.0.10594
Trojan.RegistryDoctor, C:\USERS\{username}\APPDATA\ROAMING\MICROSOFT\WINDOWS\START MENU\PROGRAMS\STARTUP\epizyHost.lnk, Quarantined, [1455], [682390],1.0.10594
Trojan.RegistryDoctor, C:\USERS\{username}\APPDATA\ROAMING\MICROSOFT\INSTALLER\{AD802DCE-DC0E-49D5-9C3C-27B4B2801600}\registrydoc.exe, Removal Failed, [1455], [682389],1.0.10594
Trojan.RegistryDoctor, C:\USERS\{username}\DESKTOP\WRCFREE.EXE, Quarantined, [1455], [682388],1.0.10594
Trojan.RegistryDoctor, C:\USERS\{username}\DOWNLOADS\WRCFREE.EXE, Quarantined, [1455], [682388],1.0.10594

Physical Sector: 0
(No malicious items detected)

WMI: 0
(No malicious items detected)


(end)

As mentioned before the full version of Malwarebytes could have protected your computer against this threat.
We use different ways of protecting your computer(s):

  • Dynamically Blocks Malware Sites & Servers
  • Malware Execution Prevention

Save yourself the hassle and get protected.

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