Monday, November 24, 2008

CDNHelper Adware

Removing CDNHelper
Categories: Adware
Adware are programs that facilitate delivery for advertising content
to the user and in some cases gather information from the user's computer,
including information related to Internet browser usage or other computer habits

Visible Symptoms:
Files in system folders:
[%PROFILE_TEMP%]\2\cnrbtn.html
[%PROFILE_TEMP%]\311\cnrbtn.html
[%PROFILE_TEMP%]\31\cnrbtn.html
[%PROFILE_TEMP%]\3B\cnrbtn.html
[%PROFILE_TEMP%]\3\cnrbtn.html
[%PROFILE_TEMP%]\C\cnrbtn.html
[%PROFILE_TEMP%]\setup\cdn.dll
[%PROFILE_TEMP%]\setup\CdnAux.dll
[%PROFILE_TEMP%]\setup\CdnIEHlp.dll
[%PROFILE_TEMP%]\setup\cdntran.dat
[%PROGRAM_FILES%]\OCINS\cnrbtn.html
[%SYSTEM%]\zunins.exe
[%DESKTOP%]\IdnMail.lnk
[%PROFILE_TEMP%]\1C\cdn.dll
[%PROFILE_TEMP%]\1C\cdnaux.dll
[%PROFILE_TEMP%]\1C\cdnforie.dll
[%PROFILE_TEMP%]\1C\cdnins.dll
[%PROFILE_TEMP%]\1C\cdnprh.dll
[%PROFILE_TEMP%]\1C\cdnprot.dat
[%PROFILE_TEMP%]\1C\cdnprot.sys
[%PROFILE_TEMP%]\1C\cdnunins.exe
[%PROFILE_TEMP%]\1C\cdnup.exe
[%PROFILE_TEMP%]\1C\cdnvers.dat
[%PROFILE_TEMP%]\1C\idnconvs.dll
[%PROFILE_TEMP%]\cdndisp.tmp
[%PROFILE_TEMP%]\setup\AHOOK9X.DAT
[%PROFILE_TEMP%]\setup\AHOOKNT.DAT
[%PROFILE_TEMP%]\setup\capp.exe
[%PROFILE_TEMP%]\setup\character.dat
[%PROFILE_TEMP%]\setup\clean.exe
[%PROFILE_TEMP%]\setup\CodeLib.dll
[%PROFILE_TEMP%]\setup\hookdll.dll
[%PROFILE_TEMP%]\setup\IdnMail.exe
[%PROFILE_TEMP%]\setup\idnoe.dll
[%PROFILE_TEMP%]\setup\idnol.dll
[%PROFILE_TEMP%]\setup\zconfig.dat
[%PROFILE_TEMP%]\setup\zunins.exe
[%PROFILE_TEMP%]\setup\zver.dat
[%SYSTEM%]\capp.exe
[%SYSTEM%]\cdn.dll
[%SYSTEM%]\CdnAux.dll
[%SYSTEM%]\CdnIEHlp.dll
[%SYSTEM%]\character.dat
[%SYSTEM%]\IdnMail.exe
[%SYSTEM%]\idnoe.dll
[%SYSTEM%]\idnol.dll
[%SYSTEM%]\ZUpdate\zver.dat
[%SYSTEM%]\ZW.exe
[%PROFILE_TEMP%]\2\cnrbtn.html
[%PROFILE_TEMP%]\311\cnrbtn.html
[%PROFILE_TEMP%]\31\cnrbtn.html
[%PROFILE_TEMP%]\3B\cnrbtn.html
[%PROFILE_TEMP%]\3\cnrbtn.html
[%PROFILE_TEMP%]\C\cnrbtn.html
[%PROFILE_TEMP%]\setup\cdn.dll
[%PROFILE_TEMP%]\setup\CdnAux.dll
[%PROFILE_TEMP%]\setup\CdnIEHlp.dll
[%PROFILE_TEMP%]\setup\cdntran.dat
[%PROGRAM_FILES%]\OCINS\cnrbtn.html
[%SYSTEM%]\zunins.exe
[%DESKTOP%]\IdnMail.lnk
[%PROFILE_TEMP%]\1C\cdn.dll
[%PROFILE_TEMP%]\1C\cdnaux.dll
[%PROFILE_TEMP%]\1C\cdnforie.dll
[%PROFILE_TEMP%]\1C\cdnins.dll
[%PROFILE_TEMP%]\1C\cdnprh.dll
[%PROFILE_TEMP%]\1C\cdnprot.dat
[%PROFILE_TEMP%]\1C\cdnprot.sys
[%PROFILE_TEMP%]\1C\cdnunins.exe
[%PROFILE_TEMP%]\1C\cdnup.exe
[%PROFILE_TEMP%]\1C\cdnvers.dat
[%PROFILE_TEMP%]\1C\idnconvs.dll
[%PROFILE_TEMP%]\cdndisp.tmp
[%PROFILE_TEMP%]\setup\AHOOK9X.DAT
[%PROFILE_TEMP%]\setup\AHOOKNT.DAT
[%PROFILE_TEMP%]\setup\capp.exe
[%PROFILE_TEMP%]\setup\character.dat
[%PROFILE_TEMP%]\setup\clean.exe
[%PROFILE_TEMP%]\setup\CodeLib.dll
[%PROFILE_TEMP%]\setup\hookdll.dll
[%PROFILE_TEMP%]\setup\IdnMail.exe
[%PROFILE_TEMP%]\setup\idnoe.dll
[%PROFILE_TEMP%]\setup\idnol.dll
[%PROFILE_TEMP%]\setup\zconfig.dat
[%PROFILE_TEMP%]\setup\zunins.exe
[%PROFILE_TEMP%]\setup\zver.dat
[%SYSTEM%]\capp.exe
[%SYSTEM%]\cdn.dll
[%SYSTEM%]\CdnAux.dll
[%SYSTEM%]\CdnIEHlp.dll
[%SYSTEM%]\character.dat
[%SYSTEM%]\IdnMail.exe
[%SYSTEM%]\idnoe.dll
[%SYSTEM%]\idnol.dll
[%SYSTEM%]\ZUpdate\zver.dat
[%SYSTEM%]\ZW.exe

How to detect CDNHelper:

Files:
[%PROFILE_TEMP%]\2\cnrbtn.html
[%PROFILE_TEMP%]\311\cnrbtn.html
[%PROFILE_TEMP%]\31\cnrbtn.html
[%PROFILE_TEMP%]\3B\cnrbtn.html
[%PROFILE_TEMP%]\3\cnrbtn.html
[%PROFILE_TEMP%]\C\cnrbtn.html
[%PROFILE_TEMP%]\setup\cdn.dll
[%PROFILE_TEMP%]\setup\CdnAux.dll
[%PROFILE_TEMP%]\setup\CdnIEHlp.dll
[%PROFILE_TEMP%]\setup\cdntran.dat
[%PROGRAM_FILES%]\OCINS\cnrbtn.html
[%SYSTEM%]\zunins.exe
[%DESKTOP%]\IdnMail.lnk
[%PROFILE_TEMP%]\1C\cdn.dll
[%PROFILE_TEMP%]\1C\cdnaux.dll
[%PROFILE_TEMP%]\1C\cdnforie.dll
[%PROFILE_TEMP%]\1C\cdnins.dll
[%PROFILE_TEMP%]\1C\cdnprh.dll
[%PROFILE_TEMP%]\1C\cdnprot.dat
[%PROFILE_TEMP%]\1C\cdnprot.sys
[%PROFILE_TEMP%]\1C\cdnunins.exe
[%PROFILE_TEMP%]\1C\cdnup.exe
[%PROFILE_TEMP%]\1C\cdnvers.dat
[%PROFILE_TEMP%]\1C\idnconvs.dll
[%PROFILE_TEMP%]\cdndisp.tmp
[%PROFILE_TEMP%]\setup\AHOOK9X.DAT
[%PROFILE_TEMP%]\setup\AHOOKNT.DAT
[%PROFILE_TEMP%]\setup\capp.exe
[%PROFILE_TEMP%]\setup\character.dat
[%PROFILE_TEMP%]\setup\clean.exe
[%PROFILE_TEMP%]\setup\CodeLib.dll
[%PROFILE_TEMP%]\setup\hookdll.dll
[%PROFILE_TEMP%]\setup\IdnMail.exe
[%PROFILE_TEMP%]\setup\idnoe.dll
[%PROFILE_TEMP%]\setup\idnol.dll
[%PROFILE_TEMP%]\setup\zconfig.dat
[%PROFILE_TEMP%]\setup\zunins.exe
[%PROFILE_TEMP%]\setup\zver.dat
[%SYSTEM%]\capp.exe
[%SYSTEM%]\cdn.dll
[%SYSTEM%]\CdnAux.dll
[%SYSTEM%]\CdnIEHlp.dll
[%SYSTEM%]\character.dat
[%SYSTEM%]\IdnMail.exe
[%SYSTEM%]\idnoe.dll
[%SYSTEM%]\idnol.dll
[%SYSTEM%]\ZUpdate\zver.dat
[%SYSTEM%]\ZW.exe
[%PROFILE_TEMP%]\2\cnrbtn.html
[%PROFILE_TEMP%]\311\cnrbtn.html
[%PROFILE_TEMP%]\31\cnrbtn.html
[%PROFILE_TEMP%]\3B\cnrbtn.html
[%PROFILE_TEMP%]\3\cnrbtn.html
[%PROFILE_TEMP%]\C\cnrbtn.html
[%PROFILE_TEMP%]\setup\cdn.dll
[%PROFILE_TEMP%]\setup\CdnAux.dll
[%PROFILE_TEMP%]\setup\CdnIEHlp.dll
[%PROFILE_TEMP%]\setup\cdntran.dat
[%PROGRAM_FILES%]\OCINS\cnrbtn.html
[%SYSTEM%]\zunins.exe
[%DESKTOP%]\IdnMail.lnk
[%PROFILE_TEMP%]\1C\cdn.dll
[%PROFILE_TEMP%]\1C\cdnaux.dll
[%PROFILE_TEMP%]\1C\cdnforie.dll
[%PROFILE_TEMP%]\1C\cdnins.dll
[%PROFILE_TEMP%]\1C\cdnprh.dll
[%PROFILE_TEMP%]\1C\cdnprot.dat
[%PROFILE_TEMP%]\1C\cdnprot.sys
[%PROFILE_TEMP%]\1C\cdnunins.exe
[%PROFILE_TEMP%]\1C\cdnup.exe
[%PROFILE_TEMP%]\1C\cdnvers.dat
[%PROFILE_TEMP%]\1C\idnconvs.dll
[%PROFILE_TEMP%]\cdndisp.tmp
[%PROFILE_TEMP%]\setup\AHOOK9X.DAT
[%PROFILE_TEMP%]\setup\AHOOKNT.DAT
[%PROFILE_TEMP%]\setup\capp.exe
[%PROFILE_TEMP%]\setup\character.dat
[%PROFILE_TEMP%]\setup\clean.exe
[%PROFILE_TEMP%]\setup\CodeLib.dll
[%PROFILE_TEMP%]\setup\hookdll.dll
[%PROFILE_TEMP%]\setup\IdnMail.exe
[%PROFILE_TEMP%]\setup\idnoe.dll
[%PROFILE_TEMP%]\setup\idnol.dll
[%PROFILE_TEMP%]\setup\zconfig.dat
[%PROFILE_TEMP%]\setup\zunins.exe
[%PROFILE_TEMP%]\setup\zver.dat
[%SYSTEM%]\capp.exe
[%SYSTEM%]\cdn.dll
[%SYSTEM%]\CdnAux.dll
[%SYSTEM%]\CdnIEHlp.dll
[%SYSTEM%]\character.dat
[%SYSTEM%]\IdnMail.exe
[%SYSTEM%]\idnoe.dll
[%SYSTEM%]\idnol.dll
[%SYSTEM%]\ZUpdate\zver.dat
[%SYSTEM%]\ZW.exe

Folders:
[%PROGRAMS%]\cdnClient

Registry Keys:
HKEY_CLASSES_ROOT\cdnforie.iehlprobj
HKEY_CLASSES_ROOT\cdnforie.iehlprobj.1
HKEY_CLASSES_ROOT\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}
HKEY_CLASSES_ROOT\clsid\{8cdcbba0-4be1-4199-8389-1b19ed41d3e8}
HKEY_CLASSES_ROOT\CLSID\{F5824EFB-728A-4726-A5A5-85A68B20EDC3}
HKEY_CLASSES_ROOT\interface\{5c3853cd-c7e0-4946-b3fa-1abdb6f48108}
HKEY_CLASSES_ROOT\interface\{9c991f1e-d6fe-4b74-b6ec-763ff528fae1}
HKEY_CLASSES_ROOT\interface\{f248ebab-d894-4682-80e3-f48aabf4b12d}
HKEY_CLASSES_ROOT\typelib\{5c3853ce-c7e0-4946-b3fa-1abdb6f48108}
HKEY_CLASSES_ROOT\typelib\{df571585-070d-4eb1-8b0e-99023f934fd4}
HKEY_CLASSES_ROOT\wmhlpr.wmevtsink
HKEY_CLASSES_ROOT\wmhlpr.wmevtsink.1
HKEY_CLASSES_ROOT\wmhlpr.wmhlprobj
HKEY_CLASSES_ROOT\wmhlpr.wmhlprobj.1
HKEY_LOCAL_MACHINE\software\cnnic
HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F5824EFB-728A-4726-A5A5-85A68B20EDC3}
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\uninstall\cdnclient
HKEY_LOCAL_MACHINE\system\currentcontrolset\services\cdnprot
HKEY_CLASSES_ROOT\clsid\{35980f6e-a137-4e50-953d-813bb8556899}
HKEY_CLASSES_ROOT\clsid\{461a86f7-a29d-460a-80d5-52979aa6c46d}
HKEY_CLASSES_ROOT\clsid\{5c3853cf-c7e0-4946-b3fa-1abdb6f48108}
HKEY_CLASSES_ROOT\clsid\{9a578c98-3c2f-4630-890b-fc04196ef420}
HKEY_CLASSES_ROOT\clsid\{f5824efb-728a-4726-a5a5-85a68b20edc3}
HKEY_CLASSES_ROOT\cndniehelper.cndniehlprobj
HKEY_CLASSES_ROOT\interface\{475abcc3-d4cf-45d2-938a-a434fdc95b67}
HKEY_CLASSES_ROOT\interface\{951a869a-1003-4897-948f-d55e570871db}
HKEY_CLASSES_ROOT\interface\{bf0a2eb3-0704-45c6-90f4-9ebb1deb57fd}
HKEY_CLASSES_ROOT\mailparsersvr.inspectorhandler
HKEY_CLASSES_ROOT\mailparsersvr.mailparser
HKEY_CLASSES_ROOT\typelib\{01833110-7c51-4d41-a09f-69ef74606e5b}
HKEY_CLASSES_ROOT\typelib\{c24a5a5c-0874-4386-85c7-e669f90997a9}
HKEY_LOCAL_MACHINE\software\microsoft\internet explorer\extensions\{5c3853cf-c7e0-4946-b3fa-1abdb6f48108}
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\explorer\browser helper objects\{35980f6e-a137-4e50-953d-813bb8556899}
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\explorer\browser helper objects\{5c3853cf-c7e0-4946-b3fa-1abdb6f48108}
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\explorer\browser helper objects\{f5824efb-728a-4726-a5a5-85a68b20edc3}
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\uninstall\cdn
HKEY_LOCAL_MACHINE\system\currentcontrolset\services\cdntran

Registry Values:
HKEY_CURRENT_USER\software\microsoft\internet explorer\extensions\cmdmapping
HKEY_CURRENT_USER\software\microsoft\internet explorer\extensions\cmdmapping
HKEY_CURRENT_USER\software\microsoft\internet explorer\extensions\cmdmapping
HKEY_CURRENT_USER\software\microsoft\internet explorer\extensions\cmdmapping
HKEY_CURRENT_USER\software\microsoft\internet explorer\extensions\cmdmapping
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_CURRENT_USER\software\microsoft\internet explorer\extensions\cmdmapping
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\runonce

Removing CDNHelper:

You can download trial version of "Exterminate-It" antivirus software here, to check your computer instantly.

Or buy it to remove ALL viruses from your computer.

Also Be Aware of the Following Threats:
Remove ZeroPopup Hijacker
Win32.TrojanDownloader.Agent Trojan Cleaner

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