Sunday, November 9, 2008

AllSum Trojan

AllSum malware description and removal detail
Categories:Trojan,Adware
Also known as:

[Kaspersky]AdWare.Win32.AllSum.a,AdWare.Win32.AllSum.c,AdWare.Win32.IEHlpr.q,AdWare.Win32.IEHlpr.d,AdWare.Win32.AllSum.b,AdWare.Win32.IEHlpr.e,AdWare.Win32.IEHelper.e,AdWare.Win32.IEHlpr.p;
[McAfee]Allsum.dll,Adware-Alexa;
[Other]Win32/AllSum,W32/Ourxin.C,Adware.AllSum,Trojan.SmartAllYes,Win32/Allsum.P,Win32/AllSum.N,Win32/AllSum.D,Win32/AllSum.J,Win32/Allsum.T,Win32/AllSum.X,Adware.IEhlpr

Visible Symptoms:
Files in system folders:
[%APPDATA%]\microsoft\userdata\IEHelper_5025.dll
[%APPDATA%]\Microsoft\UserData\IEHelper_5157.dll
[%PROFILE_TEMP%]\_inifid
[%PROFILE_TEMP%]\_inifiletime
[%PROFILE_TEMP%]\_inimac
[%PROFILE_TEMP%]\_inireg
[%PROFILE_TEMP%]\__djiekfhkda
[%SYSTEM%]\32F77AC0.094
[%SYSTEM%]\guid.vxd
[%SYSTEM%]\ibmuuid_.dll
[%SYSTEM%]\ibmvdr_.dll
[%SYSTEM%]\msuuid_.dll
[%SYSTEM%]\msvendr_.dll
[%SYSTEM%]\spoolsv\spoolsv.exe
[%SYSTEM%]\wmpdrm.dll
[%APPDATA%]\microsoft\userdata\IEHelper_5025.dll
[%APPDATA%]\Microsoft\UserData\IEHelper_5157.dll
[%PROFILE_TEMP%]\_inifid
[%PROFILE_TEMP%]\_inifiletime
[%PROFILE_TEMP%]\_inimac
[%PROFILE_TEMP%]\_inireg
[%PROFILE_TEMP%]\__djiekfhkda
[%SYSTEM%]\32F77AC0.094
[%SYSTEM%]\guid.vxd
[%SYSTEM%]\ibmuuid_.dll
[%SYSTEM%]\ibmvdr_.dll
[%SYSTEM%]\msuuid_.dll
[%SYSTEM%]\msvendr_.dll
[%SYSTEM%]\spoolsv\spoolsv.exe
[%SYSTEM%]\wmpdrm.dll

In order to ensure that the AllSum is launched automatically each time the system is booted, the AllSum adds a link to its executable file in the system registry:
HKLM\Microsoft\Windows\CurrentVersion\Run
[%SYSTEM%]\spoolsv\spoolsv.exe

Platforms / OS: Windows 95, Windows 98, Windows 98 SE, Windows NT, Windows ME, Windows 2000, Windows XP, Windows 2003, Windows Vista

Detecting AllSum:

Files:
[%APPDATA%]\microsoft\userdata\IEHelper_5025.dll
[%APPDATA%]\Microsoft\UserData\IEHelper_5157.dll
[%PROFILE_TEMP%]\_inifid
[%PROFILE_TEMP%]\_inifiletime
[%PROFILE_TEMP%]\_inimac
[%PROFILE_TEMP%]\_inireg
[%PROFILE_TEMP%]\__djiekfhkda
[%SYSTEM%]\32F77AC0.094
[%SYSTEM%]\guid.vxd
[%SYSTEM%]\ibmuuid_.dll
[%SYSTEM%]\ibmvdr_.dll
[%SYSTEM%]\msuuid_.dll
[%SYSTEM%]\msvendr_.dll
[%SYSTEM%]\spoolsv\spoolsv.exe
[%SYSTEM%]\wmpdrm.dll
[%APPDATA%]\microsoft\userdata\IEHelper_5025.dll
[%APPDATA%]\Microsoft\UserData\IEHelper_5157.dll
[%PROFILE_TEMP%]\_inifid
[%PROFILE_TEMP%]\_inifiletime
[%PROFILE_TEMP%]\_inimac
[%PROFILE_TEMP%]\_inireg
[%PROFILE_TEMP%]\__djiekfhkda
[%SYSTEM%]\32F77AC0.094
[%SYSTEM%]\guid.vxd
[%SYSTEM%]\ibmuuid_.dll
[%SYSTEM%]\ibmvdr_.dll
[%SYSTEM%]\msuuid_.dll
[%SYSTEM%]\msvendr_.dll
[%SYSTEM%]\spoolsv\spoolsv.exe
[%SYSTEM%]\wmpdrm.dll

Folders:
[%APPDATA%]\Microsoft\IEHelper
[%SYSTEM%]\1116
[%SYSTEM%]\bakcfs
[%SYSTEM%]\msibm
[%SYSTEM%]\msicn

Registry Keys:
HKEY_CLASSES_ROOT\interface\{214afcf4-095d-4a0e-877e-801b8b3696f9}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1C4DA27D-4D52-4465-A089-98E01BB725CA}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{A6F42CAD-2559-48DF-AF30-89E480AF5DFA}
HKEY_CLASSES_ROOT\appid\cfsbho
HKEY_CLASSES_ROOT\appid\cfsbho.dll
HKEY_CLASSES_ROOT\appid\{b46d3e4a-3f54-497d-affd-464aae8098ef}
HKEY_CLASSES_ROOT\cfsbho
HKEY_CLASSES_ROOT\cfsbho.bhelper
HKEY_CLASSES_ROOT\clsid\{09ba1aa9-cad4-4c14-bde6-922dff5f6f38}
HKEY_CLASSES_ROOT\clsid\{16b770a0-0e87-4278-b748-2460d64a8386}
HKEY_CLASSES_ROOT\clsid\{76fc3938-c6ca-475d-8d3b-45f323a6b62b}
HKEY_CLASSES_ROOT\clsid\{8a4280ad-9b37-4922-a51d-73f3c3a32af7}
HKEY_CLASSES_ROOT\clsid\{c86488af-13d5-4fef-9ddf-9fb88698cfc1}
HKEY_CLASSES_ROOT\interface\{c96161b2-a673-46fa-9ba3-7a4c4a3f8ec1}
HKEY_CLASSES_ROOT\interface\{ce82afc1-5e4b-4f19-a3e3-4fff55f3d279}
HKEY_CLASSES_ROOT\interface\{d3342887-aab1-428c-90c6-642be0b6cffe}
HKEY_CLASSES_ROOT\loader.myloader
HKEY_CLASSES_ROOT\loader.myloader.1
HKEY_CLASSES_ROOT\typelib\{641e1c99-af97-48a1-835d-581699d072c3}
HKEY_CLASSES_ROOT\typelib\{a05164c1-0706-458e-a64c-f7009190be56}
HKEY_CLASSES_ROOT\typelib\{b46d3e4a-3f54-497d-affd-464aae8098ef}
HKEY_CLASSES_ROOT\typelib\{e6bec792-a39d-4512-aa44-41627908dc2e}
HKEY_CLASSES_ROOT\webbrowser.browser
HKEY_CLASSES_ROOT\webbrowser.browser.1
HKEY_CLASSES_ROOT\webnav.navigator
HKEY_CLASSES_ROOT\webnav.navigator.1
HKEY_CURRENT_USER\software\mscfs
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\explorer\browser helper objects\{09ba1aa9-cad4-4c14-bde6-922dff5f6f38}
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\explorer\browser helper objects\{16b770a0-0e87-4278-b748-2460d64a8386}
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\explorer\browser helper objects\{76fc3938-c6ca-475d-8d3b-45f323a6b62b}
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\explorer\browser helper objects\{8a4280ad-9b37-4922-a51d-73f3c3a32af7}
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\explorer\browser helper objects\{c86488af-13d5-4fef-9ddf-9fb88698cfc1}
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\uninstall\cfs
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\uninstall\wd2

Registry Values:
HKEY_CLASSES_ROOT\clsid\{f9ba1aa9-cad4-4c14-bde6-922dff5f6f38}
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run

Removing AllSum:

An up-to-date copy of ExterminateIt should detect and prevent infection from AllSum.

If you do not have ExterminateIt and you are worried that you may have infected computer, you could run trial version of ExterminateIt, or remove AllSum manually.

To completely manually remove AllSum malware from your computer, you need to delete the Windows registry keys and registry values, the files and folders associated with AllSum.

  1. Use Task Manager to terminate the AllSum process.
  2. Delete the original AllSum file and folders.
  3. Delete the system registry key parameters
  4. Update your antivirus databases or buy antivirus software and perform a full scan of the computer.

We recommends that all Internet users back up any important information on their computers, enable maximum protection from network attacks and malicious code on their computers, refrain from executing suspicious programs received from untrustworthy sources.


ExterminateIt effectively and automatically removes AllSum from you computer and is a good solution for those who are seeking easy and effective protection for their computer from Trojan Horses, Rootkits, Backdoors, spyware, botnets, keystroke loggers, dialers and other malicious software(malware).

Download ExterminateIt! to instantly get rid of AllSum!


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