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Removal instructions for ErrorDoctor


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What is ErrorDoctor?

The Malwarebytes research team has determined that ErrorDoctor is a fake anti-malware application. These so-called "rogues" use intentional false positives to convince users that their systems have been compromised. Then they try to sell you their software, claiming it will remove these threats. In extreme cases the false threats are actually the very trojans that advertise or even directly install the rogue. You are strongly advised to follow our removal instructions below.

How do I know if I am infected with ErrorDoctor?

This is how the main screen of the rogue application looks:

main.png

You will find these icons on your desktop and in your taskbar:

icons.png

And see this type of warnings:

warning1.png

How did ErrorDoctor get on my computer?

Rogue programs use different methods for spreading themselves. This particular one was downloaded from their website.

How do I remove ErrorDoctor?

Our program Malwarebytes' Anti-Malware can detect and remove this rogue application.

  • Please download Malwarebytes' Anti-Malware to your desktop.
  • Double-click mbam-setup.exe and follow the prompts to install the program.
  • At the end, be sure a check-mark is placed next to the following:
    • Update Malwarebytes' Anti-Malware
    • Launch Malwarebytes' Anti-Malware

    [*]Then click Finish.

    [*]If an update is found, it will download and install the latest version.

    [*]Once the program has loaded, select Perform quick scan, then click Scan.

    [*]When the scan is complete, click OK, then Show Results to view the results.

    [*]Be sure that everything is checked, and click Remove Selected. Reboot your computer if prompted.

    [*]When completed, a log will open in Notepad. The rogue application should now be gone.

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

  • No, Malwarebytes' Anti-Malware removes ErrorDoctor completely.

How would the full version of Malwarebytes' Anti-Malware help protect me?

We hope our application has helped you eradicate this malicious software. If your current security solution let this infection through, you might please consider purchasing the FULL version of Malwarebytes' Anti-Malware for additional protection.

As you can see below the full version of Malwarebytes' Anti-Malware would have protected you against the ErrorDoctor rogue. It would have warned you before the rogue could install itself, giving you a chance to stop it before it became too late.

protection1.png

Technical details for experts

Signs in a HijackThis log:

Running processes:
C:\Program Files\SoftwareDoctor\ErrorDoctor\ErrorDoctor.exe

Alterations made by the installer:



File System
===============
In the existing folder C:\Documents and Settings\All Users\Desktop
Adds the file ErrorDoctor.lnk"="12:57 10/08/11 1575 bytes
Adds the folder C:\Documents and Settings\All Users\Start Menu\Programs\SoftwareDoctor
Adds the folder C:\Documents and Settings\All Users\Start Menu\Programs\SoftwareDoctor\ErrorDoctor
Adds the file Uninstall.lnk"="12:57 10/08/11 1042 bytes
Adds the file ErrorDoctor.lnk"="12:57 10/08/11 1593 bytes
Adds the folder C:\Program Files\InstallShield Installation Information\{B74DE36A-B95C-49A1-8F41-A09F3D187747}
Adds the file _setup.dll"="12:55 10/08/11 147456 bytes
Adds the file setup.isn"="12:55 10/08/11 44941 bytes
Adds the file setup.inx"="12:55 10/08/11 211601 bytes
Adds the file setup.ini"="12:57 10/08/11 575 bytes
Adds the file setup.ilg"="12:58 10/08/11 182784 bytes
Adds the file setup.ibt"="12:57 10/08/11 90 bytes
Adds the file setup.exe"="12:55 10/08/11 121064 bytes
Adds the file layout.bin"="12:55 10/08/11 473 bytes
Adds the file data1.hdr"="12:55 10/08/11 11193 bytes
Adds the file data1.cab"="12:55 10/08/11 428119 bytes
Adds the folder C:\Program Files\SoftwareDoctor
Adds the folder C:\Program Files\SoftwareDoctor\ErrorDoctor
Adds the file icon.ico"="22:03 24/09/06 4286 bytes
Adds the file ErrorDoctor.exe"="12:35 07/01/09 2265088 bytes

Registry
===============
[HKEY_LOCAL_MACHINE\SOFTWARE\ErrorDoctor]
"scanweek"="'1'"
"scanafterevery"="'1'"
"scanperiod"="86460"
"scannext"="1313060355"
[HKEY_LOCAL_MACHINE\SOFTWARE\SoftwareDoctor]
[HKEY_LOCAL_MACHINE\SOFTWARE\SoftwareDoctor\ErrorDoctor]
[HKEY_LOCAL_MACHINE\SOFTWARE\SoftwareDoctor\ErrorDoctor\1.6]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{B74DE36A-B95C-49A1-8F41-A09F3D187747}]
"LogMode"="1"
"MinorVersion"="6"
"MajorVersion"="1"
"Version"="17170432"
"DisplayVersion"="'1.6'"
"Language"="9"
"InstallDate"="'20110810'"
"NoRepair"="1"
"NoRemove"="0"
"NoModify"="0"
"DisplayIcon"="'C:\Program Files\SoftwareDoctor\ErrorDoctor\icon.ico'"
"RegOwner"="'{username}'"
"RegCompany"=""
"URLInfoAbout"="'http://www.SoftwareDoctor.com'"
"Publisher"="'SoftwareDoctor'"
"DisplayName"="'ErrorDoctor'"
"ProductGuid"="'{B74DE36A-B95C-49A1-8F41-A09F3D187747}'"
"InstallSource"="'C:\DOCUME~1\{username}1\LOCALS~1\Temp\bye1.tmp\Disk1\'"
"InstallLocation"="'C:\Program Files\SoftwareDoctor\ErrorDoctor'"
"LogFile"="'C:\Program Files\InstallShield Installation Information\{B74DE36A-B95C-49A1-8F41-A09F3D187747}\setup.ilg'"
"UninstallString"="'RunDll32 C:\PROGRA~1\COMMON~1\INSTAL~1\PROFES~1\RunTime\11\00\Intel32\Ctor.dll,LaunchSetup "C:\Program Files\InstallShield Installation Information\{B74DE36A-B95C-49A1-8F41-A09F3D187747}\setup.exe" -l0x9 -removeonly'"
"ModifyPath"="'RunDll32 C:\PROGRA~1\COMMON~1\INSTAL~1\PROFES~1\RunTime\11\00\Intel32\Ctor.dll,LaunchSetup "C:\Program Files\InstallShield Installation Information\{B74DE36A-B95C-49A1-8F41-A09F3D187747}\setup.exe" -l0x9 '"

Malwarebytes' Anti-Malware log:

Malwarebytes' Anti-Malware 1.51.1.1800
www.malwarebytes.org

Database version: 7425

Windows 5.1.2600 Service Pack 3
Internet Explorer 8.0.6001.18702

8/10/2011 1:11:24 PM
mbam-log-2011-08-10 (13-11-24).txt

Scan type: Quick scan
Objects scanned: 138918
Time elapsed: 6 minute(s), 15 second(s)

Memory Processes Infected: 1
Memory Modules Infected: 0
Registry Keys Infected: 3
Registry Values Infected: 0
Folders Infected: 4
Files Infected: 6

Memory Processes Infected:
c:\program files\softwaredoctor\errordoctor\errordoctor.exe (Rogue.ErrorDoctor) -> 1948 -> Unloaded process successfully.

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{B74DE36A-B95C-49A1-8F41-A09F3D187747} (Trojan.Agent) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\ErrorDoctor (Rogue.ErrorDoctor) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\SoftwareDoctor (Rogue.Multiple) -> Quarantined and deleted successfully.

Registry Values Infected:
(No malicious items detected)

Folders Infected:
c:\program files\softwaredoctor (Rogue.Multiple) -> Quarantined and deleted successfully.
c:\program files\softwaredoctor\errordoctor (Rogue.Multiple) -> Quarantined and deleted successfully.
c:\documents and settings\all users\start menu\Programs\softwaredoctor (Rogue.Multiple) -> Quarantined and deleted successfully.
c:\documents and settings\all users\start menu\Programs\softwaredoctor\errordoctor (Rogue.Multiple) -> Quarantined and deleted successfully.

Files Infected:
c:\program files\softwaredoctor\errordoctor\errordoctor.exe (Rogue.ErrorDoctor) -> Quarantined and deleted successfully.
c:\documents and settings\{username}\Desktop\errordoctorsetup.exe (Rogue.ErrorDoctor) -> Quarantined and deleted successfully.
c:\documents and settings\all users\Desktop\errordoctor.lnk (Rogue.ErrorDoctor) -> Quarantined and deleted successfully.
c:\program files\softwaredoctor\errordoctor\icon.ico (Rogue.Multiple) -> Quarantined and deleted successfully.
c:\documents and settings\all users\start menu\Programs\softwaredoctor\errordoctor\errordoctor.lnk (Rogue.Multiple) -> Quarantined and deleted successfully.
c:\documents and settings\all users\start menu\Programs\softwaredoctor\errordoctor\uninstall.lnk (Rogue.Multiple) -> Quarantined and deleted successfully.

As mentioned before the full version of Malwarebytes' Anti-Malware 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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