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PUA.PCTechHotline

PUA.PCTechHotline

Updated:
June 23, 2015
Name:
PC Tech Hotline
Version:
1.0.0.0
Publisher:
Crawler, LLC
Risk Impact:
Low
Systems Affected:
Windows

Behavior

PUA.PCTechHotline is a potentially unwanted application that promotes a technical support hotline and other potentially unwanted applications.

Note: Virus definitions dated June 23, 2015 or earlier detect this threat as PCTechHotline.

Antivirus Protection Dates

  • Initial Rapid Release version pending
  • Latest Rapid Release version September 22, 2016 revision 024
  • Initial Daily Certified version January 05, 2015 revision 019
  • Latest Daily Certified version September 22, 2016 revision 025
  • Initial Weekly Certified release date January 07, 2015
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
The application may come bundled with third-party software and may be installed without the user's consent.

Once executed, the application creates the following files:
  • %SystemDrive%\Documents and Settings\Administrator\Application Data\Microsoft\Internet Explorer\Quick Launch\PC Tech Hotline.lnk
  • %AllUsersProfile%\Desktop\PC Tech Hotline.lnk
  • %AllUsersProfile%\Start Menu\Programs\PC Tech Hotline\PC Tech Hotline.lnk
  • %AllUsersProfile%\Start Menu\Programs\PC Tech Hotline\PCTechHotline.com.url
  • %AllUsersProfile%\Start Menu\Programs\PC Tech Hotline\Uninstall PC Tech Hotline.lnk
  • %ProgramFiles%\PCTechHotline\PCTechHotline.exe
  • %ProgramFiles%\PCTechHotline\PCTechHotlineSvc.exe
  • %ProgramFiles%\PCTechHotline\PCTHdesk.64.dll
  • %ProgramFiles%\PCTechHotline\PCTHdesk.dll
  • %ProgramFiles%\PCTechHotline\PCTHHook.dll
  • %ProgramFiles%\PCTechHotline\PCTHHook.exe
  • %ProgramFiles%\PCTechHotline\unins000.dat
  • %ProgramFiles%\PCTechHotline\unins000.exe
  • %ProgramFiles%\PCTechHotline\unins000.msg

The application then creates the following registry entries:
  • HKEY_CLASSES_ROOT\CLSID\{6E30A318-C2A8-4874-9C44-30EB821658BA}\"[DEFAULT]" = "PCTechHotline"
  • HKEY_CLASSES_ROOT\CLSID\{6E30A318-C2A8-4874-9C44-30EB821658BA}\InprocServer32\"[DEFAULT]" = "%ProgramFiles%\PCTechHotline\PCTHdesk.dll"
  • HKEY_CLASSES_ROOT\CLSID\{6E30A318-C2A8-4874-9C44-30EB821658BA}\InprocServer32\"ThreadingModel" = "Apartment"
  • HKEY_CURRENT_USER\Software\PCTechHotline\"LANG_ID" = "en"
  • HKEY_CURRENT_USER\Software\PCTechHotline\"LAST_PERIODIC_SYSTEMCHECK" = "42009.1242721065"
  • HKEY_CURRENT_USER\Software\PCTechHotline\"REPRESENTATIVE_ICON" = "7"
  • HKEY_CURRENT_USER\Software\PCTechHotline\"TECHSUPPORT_TEXT" = "Click here for instant access to technical support from the PC Tech Hotline"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\"PCTechHotline" = "%ProgramFiles%\PCTechHotline\PCTechHotline.exe"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A0B0DA25-DD15-4739-92A3-62D3424F043A}_is1\"DisplayIcon" = "%ProgramFiles%\PCTechHotline\PCTechHotline.exe"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A0B0DA25-DD15-4739-92A3-62D3424F043A}_is1\"DisplayName" = "PC Tech Hotline"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A0B0DA25-DD15-4739-92A3-62D3424F043A}_is1\"DisplayVersion" = "3.0.0.4"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A0B0DA25-DD15-4739-92A3-62D3424F043A}_is1\"HelpLink" = "http://www.PCTechHotline.com"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A0B0DA25-DD15-4739-92A3-62D3424F043A}_is1\"Inno Setup: App Path" = "%ProgramFiles%\PCTechHotline"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A0B0DA25-DD15-4739-92A3-62D3424F043A}_is1\"Inno Setup: Icon Group" = "PC Tech Hotline"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A0B0DA25-DD15-4739-92A3-62D3424F043A}_is1\"Inno Setup: Language" = "en"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A0B0DA25-DD15-4739-92A3-62D3424F043A}_is1\"Inno Setup: Selected Tasks" = "desktopicon,quicklaunchicon"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A0B0DA25-DD15-4739-92A3-62D3424F043A}_is1\"Inno Setup: Setup Version" = "5.3.8 (a)"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A0B0DA25-DD15-4739-92A3-62D3424F043A}_is1\"Inno Setup: User" = "Administrator"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A0B0DA25-DD15-4739-92A3-62D3424F043A}_is1\"InstallDate" = "20150105"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A0B0DA25-DD15-4739-92A3-62D3424F043A}_is1\"InstallLocation" = "%ProgramFiles%\PCTechHotline"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A0B0DA25-DD15-4739-92A3-62D3424F043A}_is1\"MajorVersion" = "03, 00, 00, 00"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A0B0DA25-DD15-4739-92A3-62D3424F043A}_is1\"MinorVersion" = "00, 00, 00, 00"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A0B0DA25-DD15-4739-92A3-62D3424F043A}_is1\"NoModify" = "01, 00, 00, 00"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A0B0DA25-DD15-4739-92A3-62D3424F043A}_is1\"NoRepair" = "01, 00, 00, 00"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A0B0DA25-DD15-4739-92A3-62D3424F043A}_is1\"Publisher" = "Crawler, LLC"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A0B0DA25-DD15-4739-92A3-62D3424F043A}_is1\"QuietUninstallString" = "%ProgramFiles%\PCTechHotline\unins000.exe"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A0B0DA25-DD15-4739-92A3-62D3424F043A}_is1\"UninstallString" = "%ProgramFiles%\PCTechHotline\unins000.exe"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A0B0DA25-DD15-4739-92A3-62D3424F043A}_is1\"URLInfoAbout" = "http://www.PCTechHotline.com"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A0B0DA25-DD15-4739-92A3-62D3424F043A}_is1\"URLUpdateInfo" = "http://www.PCTechHotline.com"
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_PCTECHHOTLINESVC\"NextInstance" = "01, 00, 00, 00"
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_PCTECHHOTLINESVC\0000\"Class" = "LegacyDriver"
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_PCTECHHOTLINESVC\0000\"ClassGUID" = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_PCTECHHOTLINESVC\0000\"ConfigFlags" = "00, 00, 00, 00"
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_PCTECHHOTLINESVC\0000\"Legacy" = "01, 00, 00, 00"
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_PCTECHHOTLINESVC\0000\"Service" = "PCTechHotlineSvc"
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_PCTECHHOTLINESVC\0000\Control\"*NewlyCreated*" = "00, 00, 00, 00"
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_PCTECHHOTLINESVC\0000\Control\"ActiveService" = "PCTechHotlineSvc"
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PCTechHotlineSvc\"DisplayName" = "PCTechHotlineService"
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PCTechHotlineSvc\"ErrorControl" = "01, 00, 00, 00"
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PCTechHotlineSvc\"ImagePath" = "%ProgramFiles%\PCTechHotline\PCTechHotlineSvc.exe"
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PCTechHotlineSvc\"ObjectName" = "LocalSystem"
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PCTechHotlineSvc\"Start" = "02, 00, 00, 00"
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PCTechHotlineSvc\Enum\"0" = "Root\LEGACY_PCTECHHOTLINESVC\0000"
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PCTechHotlineSvc\Enum\"Count" = "01, 00, 00, 00"
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PCTechHotlineSvc\Enum\"NextInstance" = "01, 00, 00, 00"

The application then creates the following registry subkeys:
  • HKEY_CLASSES_ROOT\CLSID\{6E30A318-C2A8-4874-9C44-30EB821658BA}
  • HKEY_CLASSES_ROOT\CLSID\{6E30A318-C2A8-4874-9C44-30EB821658BA}
  • HKEY_CLASSES_ROOT\CLSID\{6E30A318-C2A8-4874-9C44-30EB821658BA}\Implemented Categories
  • HKEY_CLASSES_ROOT\CLSID\{6E30A318-C2A8-4874-9C44-30EB821658BA}\Implemented Categories\{00021492-0000-0000-C000-000000000046}
  • HKEY_CLASSES_ROOT\CLSID\{6E30A318-C2A8-4874-9C44-30EB821658BA}\InprocServer32
  • HKEY_CURRENT_USER\Software\PCTechHotline
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A0B0DA25-DD15-4739-92A3-62D3424F043A}_is1
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A0B0DA25-DD15-4739-92A3-62D3424F043A}_is1\Inno Setup: Deselected Tasks
  • HKEY_LOCAL_MACHINE\SOFTWARE\PCTechHotline
  • HKEY_LOCAL_MACHINE\SOFTWARE\PCTechHotline\INSTALL_DATE
  • HKEY_LOCAL_MACHINE\SOFTWARE\PCTechHotline\LAST_UPDATE
  • HKEY_LOCAL_MACHINE\SOFTWARE\PCTechHotline\UID
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_PCTECHHOTLINESVC
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_PCTECHHOTLINESVC\0000
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_PCTECHHOTLINESVC\0000\Control
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_PCTECHHOTLINESVC\0000\DeviceDesc
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PCTechHotlineSvc
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PCTechHotlineSvc\Enum
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PCTechHotlineSvc\Security
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PCTechHotlineSvc\Security\Security

The application then displays a list of third-party applications that are not installed on the computer. The application also displays a phone number for a technical support hotline.

You may have arrived at this page either because you have been alerted by your Symantec product about this risk, or you are concerned that your computer has been affected by this risk.

Before proceeding further we recommend that you run a full system scan . If that does not resolve the problem you can try one of the options available below.



FOR NORTON USERS
If you are a Norton product user, we recommend you try the following resources to remove this risk.


Removal Tool

If you have an infected Windows system file, you may need to replace it using the Windows installation CD .


How to reduce the risk of infection
The following resources provide further information and best practices to help reduce the risk of infection.


FOR BUSINESS USERS
If you are a Symantec business product user, we recommend you try the following resources to remove this risk.


Identifying and submitting suspect files
Submitting suspicious files to Symantec allows us to ensure that our protection capabilities keep up with the ever-changing threat landscape. Submitted files are analyzed by Symantec Security Response and, where necessary, updated definitions are immediately distributed through LiveUpdate™ to all Symantec end points. This ensures that other computers nearby are protected from attack. The following resources may help in identifying suspicious files for submission to Symantec.


Removal Tool

If you have an infected Windows system file, you may need to replace it using the Windows installation CD .


How to reduce the risk of infection
The following resource provides further information and best practices to help reduce the risk of infection.
Protecting your business network



MANUAL REMOVAL
The following instructions pertain to all current Symantec antivirus products.


1. Performing a full system scan
How to run a full system scan using your Symantec product


2. Restoring settings in the registry
Many risks make modifications to the registry, which could impact the functionality or performance of the compromised computer. While many of these modifications can be restored through various Windows components, it may be necessary to edit the registry. See in the Technical Details of this writeup for information about which registry keys were created or modified. Delete registry subkeys and entries created by the risk and return all modified registry entries to their previous values.