TROJ_FAM437.TOMA


 ALIASES:

Program:Win32/MalwareCrush (Microsoft); VirusResponseLab, MalwareCrush, Trojan.SpamThru (Symantec); ARC:NSIS, PAK:[data0006]:Armadillo, [data0006]:Trojan-FakeAV.Win32.MalwareCrush.d, [data0007]:Trojan (Kaspersky); Trojan.Win32.Generic.pak!cobra (Sunbelt); Application.MalwareCrush.A (FSecure)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size:

5,870,807 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

13 Oct 2012

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This Trojan creates the following folders:

  • %System Root%\DOCUME~1
  • %System Root%\DOCUME~1\ADMINI~1
  • %User Profile%\LOCALS~1
  • %User Temp%\nse2.tmp
  • %Program Files%\MalwareCrush
  • %Program Files%\MalwareCrush\Lang
  • %Program Files%\MalwareCrush\Logs
  • %Program Files%\MalwareCrush\Quarantine
  • %System Root%\Documents and Settings\Administrator
  • %Start Menu%\Programs\MalwareCrush

(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.. %User Profile% is the current user's profile folder, which is usually C:\Windows\Profiles\{user name} on Windows 98 and ME, C:\WINNT\Profiles\{user name} on Windows NT, and C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003.. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003.. %Program Files% is the default Program Files folder, usually C:\Program Files.. %Start Menu% is the current user's Start Menu folder, which is usually C:\Windows\Profiles\{user name}\Start Menu on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Start Menu on Windows NT and C:\Windows\Start Menu or C:\Documents and Settings\{User name}\Start Menu on Windows 2000, XP, and Server 2003.)

Autostart Technique

This Trojan adds the following registry entries to enable its automatic execution at every system startup:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
MalwareCrush = "%Program Files%\MalwareCrush\MalwareCrush.exe /h"

Other System Modifications

This Trojan deletes the following files:

  • %User Temp%\nsu1.tmp
  • %User Temp%\nse2.tmp

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003.)

It adds the following registry keys:

HKEY_LOCAL_MACHINE\Software\MalwareCrush

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\App Paths\
MalwareCrush.exe

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
MalwareCrush

HKEY_LOCAL_MACHINE\Software\Licenses

HKEY_CLASSES_ROOT\CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}\InProcServer32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}\ProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}\VersionIndependentProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{5A4C66FB-4B04-478C-B855-FCA385797DB7}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{5A4C66FB-4B04-478C-B855-FCA385797DB7}\1.0

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{5A4C66FB-4B04-478C-B855-FCA385797DB7}\1.0\
FLAGS

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{5A4C66FB-4B04-478C-B855-FCA385797DB7}\1.0\
0

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{5A4C66FB-4B04-478C-B855-FCA385797DB7}\1.0\
0\win32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{5A4C66FB-4B04-478C-B855-FCA385797DB7}\1.0\
HELPDIR

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{4F2A5211-53B6-4C07-9A6D-959BF989528F}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{4F2A5211-53B6-4C07-9A6D-959BF989528F}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{4F2A5211-53B6-4C07-9A6D-959BF989528F}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{4F2A5211-53B6-4C07-9A6D-959BF989528F}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{5C6D3658-833B-4E33-8BF4-77C4173770CF}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{5C6D3658-833B-4E33-8BF4-77C4173770CF}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{5C6D3658-833B-4E33-8BF4-77C4173770CF}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{5C6D3658-833B-4E33-8BF4-77C4173770CF}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{6D1595CE-B92A-47C5-9CC3-AE11E5A9AAFA}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{6D1595CE-B92A-47C5-9CC3-AE11E5A9AAFA}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{6D1595CE-B92A-47C5-9CC3-AE11E5A9AAFA}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{6D1595CE-B92A-47C5-9CC3-AE11E5A9AAFA}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{E04407F5-F6B9-495D-A767-4D860E42DBE2}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{E04407F5-F6B9-495D-A767-4D860E42DBE2}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{E04407F5-F6B9-495D-A767-4D860E42DBE2}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{E04407F5-F6B9-495D-A767-4D860E42DBE2}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{83481BE4-117A-4BB4-87B1-2B14528B64A7}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{83481BE4-117A-4BB4-87B1-2B14528B64A7}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{83481BE4-117A-4BB4-87B1-2B14528B64A7}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{83481BE4-117A-4BB4-87B1-2B14528B64A7}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{8A5B98B5-6CC9-49D4-967C-BB6AAA04E7E4}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{8A5B98B5-6CC9-49D4-967C-BB6AAA04E7E4}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{8A5B98B5-6CC9-49D4-967C-BB6AAA04E7E4}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{8A5B98B5-6CC9-49D4-967C-BB6AAA04E7E4}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{C4585709-B01D-4EE5-9274-3E34EA56E4B8}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{C4585709-B01D-4EE5-9274-3E34EA56E4B8}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{C4585709-B01D-4EE5-9274-3E34EA56E4B8}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{C4585709-B01D-4EE5-9274-3E34EA56E4B8}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{C2105722-4ECC-48E8-866A-BF166CA967C4}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{C2105722-4ECC-48E8-866A-BF166CA967C4}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{C2105722-4ECC-48E8-866A-BF166CA967C4}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{C2105722-4ECC-48E8-866A-BF166CA967C4}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{B216377D-994C-4555-B44F-35F64D586833}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{B216377D-994C-4555-B44F-35F64D586833}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{B216377D-994C-4555-B44F-35F64D586833}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{B216377D-994C-4555-B44F-35F64D586833}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{535841D3-F4E1-4D3A-B506-CBC7F4E14913}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{535841D3-F4E1-4D3A-B506-CBC7F4E14913}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{535841D3-F4E1-4D3A-B506-CBC7F4E14913}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{535841D3-F4E1-4D3A-B506-CBC7F4E14913}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{28621188-61C7-4829-A54B-3B73D055E982}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{28621188-61C7-4829-A54B-3B73D055E982}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{28621188-61C7-4829-A54B-3B73D055E982}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{28621188-61C7-4829-A54B-3B73D055E982}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{3544568D-D586-4746-84B9-84C7706AD597}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{3544568D-D586-4746-84B9-84C7706AD597}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{3544568D-D586-4746-84B9-84C7706AD597}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{3544568D-D586-4746-84B9-84C7706AD597}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{8C55CF0F-FD4A-4B03-9365-906B0BFA86CC}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{8C55CF0F-FD4A-4B03-9365-906B0BFA86CC}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{8C55CF0F-FD4A-4B03-9365-906B0BFA86CC}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{8C55CF0F-FD4A-4B03-9365-906B0BFA86CC}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{878BF64D-DA3B-417C-A957-19662D5331C3}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{878BF64D-DA3B-417C-A957-19662D5331C3}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{878BF64D-DA3B-417C-A957-19662D5331C3}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{878BF64D-DA3B-417C-A957-19662D5331C3}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{CCCC68A6-7114-423A-B9A5-7110EB925EDD}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{CCCC68A6-7114-423A-B9A5-7110EB925EDD}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{CCCC68A6-7114-423A-B9A5-7110EB925EDD}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{CCCC68A6-7114-423A-B9A5-7110EB925EDD}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{58035C9E-9A00-42FE-8F38-B380704F8EBA}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{58035C9E-9A00-42FE-8F38-B380704F8EBA}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{58035C9E-9A00-42FE-8F38-B380704F8EBA}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{58035C9E-9A00-42FE-8F38-B380704F8EBA}\TypeLib

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows NT\CurrentVersion\Winlogon\
Notify\dfedcebbba

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\RunOnce

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
User Agent\Pre Platform

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
5.0\User Agent\Pre Platform

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}\zxrhjLuwlpy

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}\gxjhzc

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}\jkfNsoBn

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}\mbuHxl

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}\bxPorejubl

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}\pblGnj

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}\lpfwRnuAscyf

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}\bZpObb

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\MalwareCrush
refid = "459"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
MalwareCrush
DisplayName = "MalwareCrush 3.7"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
MalwareCrush
UninstallString = "%Program Files%\MalwareCrush\uninst.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
MalwareCrush
DisplayIcon = "%Program Files%\MalwareCrush\MalwareCrush.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
MalwareCrush
DisplayVersion = "3.7"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
MalwareCrush
NSIS:StartMenuDir = "MalwareCrush"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
MalwareCrush
URLInfoAbout = "http://www.{BLOCKED}ecrush.com"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
MalwareCrush
Publisher = "MalwareCrush.com"

HKEY_LOCAL_MACHINE\SOFTWARE\MalwareCrush
Language = "1033"

HKEY_LOCAL_MACHINE\SOFTWARE\Licenses
{R7C0DB872A3F777C0} = "{random values}"

HKEY_LOCAL_MACHINE\SOFTWARE\Licenses
{K7C0DB872A3F777C0} = "{random values}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}\InProcServer32
ThreadingModel = "Both"

HKEY_LOCAL_MACHINE\SOFTWARE\Licenses
{I5CCCEDDCE2522C41} = "{random values}"

HKEY_LOCAL_MACHINE\SOFTWARE\Licenses
{05CCCEDDCE2522C41} = "{random values}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{4F2A5211-53B6-4C07-9A6D-959BF989528F}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{5C6D3658-833B-4E33-8BF4-77C4173770CF}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{6D1595CE-B92A-47C5-9CC3-AE11E5A9AAFA}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{E04407F5-F6B9-495D-A767-4D860E42DBE2}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{83481BE4-117A-4BB4-87B1-2B14528B64A7}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{8A5B98B5-6CC9-49D4-967C-BB6AAA04E7E4}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{C4585709-B01D-4EE5-9274-3E34EA56E4B8}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{C2105722-4ECC-48E8-866A-BF166CA967C4}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{B216377D-994C-4555-B44F-35F64D586833}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{535841D3-F4E1-4D3A-B506-CBC7F4E14913}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{28621188-61C7-4829-A54B-3B73D055E982}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{3544568D-D586-4746-84B9-84C7706AD597}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{8C55CF0F-FD4A-4B03-9365-906B0BFA86CC}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{878BF64D-DA3B-417C-A957-19662D5331C3}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{CCCC68A6-7114-423A-B9A5-7110EB925EDD}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{58035C9E-9A00-42FE-8F38-B380704F8EBA}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon\
Notify\dfedcebbba
DllName = "%System%\dfedcebbba.dll"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon\
Notify\dfedcebbba
Impersonate = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon\
Notify\dfedcebbba
Asynchronous = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon\
Notify\dfedcebbba
StartShell = "StartShell"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon\
Notify\dfedcebbba
Logon = "Logon"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon\
Notify\dfedcebbba
Logoff = "Logoff"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon\
Notify\dfedcebbba
Startup = "Startup"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon\
Notify\dfedcebbba
Unlock = "Unlock"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon\
Notify\dfedcebbba
Shutdown = "Shutdown"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon\
Notify\dfedcebbba
StartScreenSaver = "StartScreenSaver"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon\
Notify\dfedcebbba
StopScreenSaver = "StopScreenSaver"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon\
Notify\dfedcebbba
Lock = "Lock"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon
passwordexpirywarninghash = "{random characters}"

It modifies the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
RFC1156Agent\CurrentVersion\Parameters
TrapPollTimeMilliSecs = "3a98"

(Note: The default value data of the said registry entry is 3a98.)

It deletes the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}\Version

Dropping Routine

This Trojan drops the following files:

  • %User Temp%\nse2.tmp\ioSpecial.ini
  • %User Temp%\nse2.tmp\modern-wizard.bmp
  • %User Temp%\nse2.tmp\InstallOptions.dll
  • %User Temp%\nse2.tmp\StartMenu.dll
  • %Program Files%\MalwareCrush\MalwareCrush.exe
  • %Program Files%\MalwareCrush\prepare.exe
  • %Program Files%\MalwareCrush\msvcr71.dll
  • %Program Files%\MalwareCrush\msvcp71.dll
  • %Program Files%\MalwareCrush\blacklist.txt
  • %Program Files%\MalwareCrush\ref.dat
  • %Program Files%\MalwareCrush\Lang\English.ini
  • %User Temp%\nse2.tmp\GetCookie.dll
  • %User Temp%\nse2.tmp\NSISdl.dll
  • %User Temp%\tmp.tmp
  • %Start Menu%\Programs\MalwareCrush\MalwareCrush 3.7.lnk
  • %Desktop%\MalwareCrush.lnk
  • %Start Menu%\MalwareCrush 3.7.lnk
  • %User Profile%\Quick Launch\MalwareCrush 3.7.lnk
  • %Start Menu%\Programs\MalwareCrush\MalwareCrush 3.7 Website.lnk
  • %Start Menu%\Programs\MalwareCrush\Uninstall MalwareCrush 3.7.lnk
  • %Program Files%\MalwareCrush\uninst.exe
  • %System%\dfedcebbba.dll
  • %User Temp%\AC8F4C01.TMP
  • %User Temp%\SQLanguage.ini
  • %User Temp%\dbver.php

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003.. %Program Files% is the default Program Files folder, usually C:\Program Files.. %Start Menu% is the current user's Start Menu folder, which is usually C:\Windows\Profiles\{user name}\Start Menu on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Start Menu on Windows NT and C:\Windows\Start Menu or C:\Documents and Settings\{User name}\Start Menu on Windows 2000, XP, and Server 2003.. %Desktop% is the current user's desktop, which is usually C:\Windows\Profiles\{user name}\Desktop on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Desktop on Windows NT, and C:\Documents and Settings\{User Name}\Desktop on Windows 2000, XP, and Server 2003.. %User Profile% is the current user's profile folder, which is usually C:\Windows\Profiles\{user name} on Windows 98 and ME, C:\WINNT\Profiles\{user name} on Windows NT, and C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003.. %System% is the Windows system folder, which is usually C:\Windows\System on Windows 98 and ME, C:\WINNT\System32 on Windows NT and 2000, or C:\Windows\System32 on Windows XP and Server 2003.)

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://wl.{BLOCKED}hange.com/v304/repins.jpg
  • http://wl.{BLOCKED}hange.com/db/dbver.php

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.200

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Restart in Safe Mode

[ Learn More ]

Step 3

Delete this registry key

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_LOCAL_MACHINE\Software
    • MalwareCrush
  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\App Paths
    • MalwareCrush.exe
  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
    • MalwareCrush
  • In HKEY_LOCAL_MACHINE\Software
    • Licenses
  • In HKEY_CLASSES_ROOT\CLSID
    • {E4D71E45-94E1-A19A-A939-B7D2A756F719}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}
    • InProcServer32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}
    • ProgID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}
    • VersionIndependentProgID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib
    • {5A4C66FB-4B04-478C-B855-FCA385797DB7}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{5A4C66FB-4B04-478C-B855-FCA385797DB7}
    • 1.0
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{5A4C66FB-4B04-478C-B855-FCA385797DB7}\1.0
    • FLAGS
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{5A4C66FB-4B04-478C-B855-FCA385797DB7}\1.0
    • 0
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{5A4C66FB-4B04-478C-B855-FCA385797DB7}\1.0\0
    • win32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{5A4C66FB-4B04-478C-B855-FCA385797DB7}\1.0
    • HELPDIR
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
    • {4F2A5211-53B6-4C07-9A6D-959BF989528F}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{4F2A5211-53B6-4C07-9A6D-959BF989528F}
    • ProxyStubClsid
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{4F2A5211-53B6-4C07-9A6D-959BF989528F}
    • ProxyStubClsid32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{4F2A5211-53B6-4C07-9A6D-959BF989528F}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
    • {5C6D3658-833B-4E33-8BF4-77C4173770CF}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{5C6D3658-833B-4E33-8BF4-77C4173770CF}
    • ProxyStubClsid
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{5C6D3658-833B-4E33-8BF4-77C4173770CF}
    • ProxyStubClsid32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{5C6D3658-833B-4E33-8BF4-77C4173770CF}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
    • {6D1595CE-B92A-47C5-9CC3-AE11E5A9AAFA}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{6D1595CE-B92A-47C5-9CC3-AE11E5A9AAFA}
    • ProxyStubClsid
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{6D1595CE-B92A-47C5-9CC3-AE11E5A9AAFA}
    • ProxyStubClsid32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{6D1595CE-B92A-47C5-9CC3-AE11E5A9AAFA}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
    • {E04407F5-F6B9-495D-A767-4D860E42DBE2}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{E04407F5-F6B9-495D-A767-4D860E42DBE2}
    • ProxyStubClsid
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{E04407F5-F6B9-495D-A767-4D860E42DBE2}
    • ProxyStubClsid32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{E04407F5-F6B9-495D-A767-4D860E42DBE2}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
    • {83481BE4-117A-4BB4-87B1-2B14528B64A7}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{83481BE4-117A-4BB4-87B1-2B14528B64A7}
    • ProxyStubClsid
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{83481BE4-117A-4BB4-87B1-2B14528B64A7}
    • ProxyStubClsid32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{83481BE4-117A-4BB4-87B1-2B14528B64A7}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
    • {8A5B98B5-6CC9-49D4-967C-BB6AAA04E7E4}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{8A5B98B5-6CC9-49D4-967C-BB6AAA04E7E4}
    • ProxyStubClsid
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{8A5B98B5-6CC9-49D4-967C-BB6AAA04E7E4}
    • ProxyStubClsid32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{8A5B98B5-6CC9-49D4-967C-BB6AAA04E7E4}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
    • {C4585709-B01D-4EE5-9274-3E34EA56E4B8}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{C4585709-B01D-4EE5-9274-3E34EA56E4B8}
    • ProxyStubClsid
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{C4585709-B01D-4EE5-9274-3E34EA56E4B8}
    • ProxyStubClsid32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{C4585709-B01D-4EE5-9274-3E34EA56E4B8}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
    • {C2105722-4ECC-48E8-866A-BF166CA967C4}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{C2105722-4ECC-48E8-866A-BF166CA967C4}
    • ProxyStubClsid
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{C2105722-4ECC-48E8-866A-BF166CA967C4}
    • ProxyStubClsid32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{C2105722-4ECC-48E8-866A-BF166CA967C4}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
    • {B216377D-994C-4555-B44F-35F64D586833}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{B216377D-994C-4555-B44F-35F64D586833}
    • ProxyStubClsid
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{B216377D-994C-4555-B44F-35F64D586833}
    • ProxyStubClsid32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{B216377D-994C-4555-B44F-35F64D586833}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
    • {535841D3-F4E1-4D3A-B506-CBC7F4E14913}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{535841D3-F4E1-4D3A-B506-CBC7F4E14913}
    • ProxyStubClsid
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{535841D3-F4E1-4D3A-B506-CBC7F4E14913}
    • ProxyStubClsid32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{535841D3-F4E1-4D3A-B506-CBC7F4E14913}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
    • {28621188-61C7-4829-A54B-3B73D055E982}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{28621188-61C7-4829-A54B-3B73D055E982}
    • ProxyStubClsid
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{28621188-61C7-4829-A54B-3B73D055E982}
    • ProxyStubClsid32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{28621188-61C7-4829-A54B-3B73D055E982}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
    • {3544568D-D586-4746-84B9-84C7706AD597}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{3544568D-D586-4746-84B9-84C7706AD597}
    • ProxyStubClsid
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{3544568D-D586-4746-84B9-84C7706AD597}
    • ProxyStubClsid32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{3544568D-D586-4746-84B9-84C7706AD597}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
    • {8C55CF0F-FD4A-4B03-9365-906B0BFA86CC}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{8C55CF0F-FD4A-4B03-9365-906B0BFA86CC}
    • ProxyStubClsid
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{8C55CF0F-FD4A-4B03-9365-906B0BFA86CC}
    • ProxyStubClsid32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{8C55CF0F-FD4A-4B03-9365-906B0BFA86CC}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
    • {878BF64D-DA3B-417C-A957-19662D5331C3}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{878BF64D-DA3B-417C-A957-19662D5331C3}
    • ProxyStubClsid
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{878BF64D-DA3B-417C-A957-19662D5331C3}
    • ProxyStubClsid32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{878BF64D-DA3B-417C-A957-19662D5331C3}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
    • {CCCC68A6-7114-423A-B9A5-7110EB925EDD}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{CCCC68A6-7114-423A-B9A5-7110EB925EDD}
    • ProxyStubClsid
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{CCCC68A6-7114-423A-B9A5-7110EB925EDD}
    • ProxyStubClsid32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{CCCC68A6-7114-423A-B9A5-7110EB925EDD}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
    • {58035C9E-9A00-42FE-8F38-B380704F8EBA}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{58035C9E-9A00-42FE-8F38-B380704F8EBA}
    • ProxyStubClsid
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{58035C9E-9A00-42FE-8F38-B380704F8EBA}
    • ProxyStubClsid32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{58035C9E-9A00-42FE-8F38-B380704F8EBA}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify
    • dfedcebbba
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion
    • RunOnce
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
    • Browser Helper Objects
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\User Agent
    • Pre Platform
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\User Agent
    • Pre Platform
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}
    • zxrhjLuwlpy
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}
    • gxjhzc
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}
    • jkfNsoBn
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}
    • mbuHxl
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}
    • bxPorejubl
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}
    • pblGnj
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}
    • lpfwRnuAscyf
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}
    • bZpObb

Step 4

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
    • MalwareCrush = "%Program Files%\MalwareCrush\MalwareCrush.exe /h"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\MalwareCrush
    • refid = "459"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\MalwareCrush
    • DisplayName = "MalwareCrush 3.7"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\MalwareCrush
    • UninstallString = "%Program Files%\MalwareCrush\uninst.exe"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\MalwareCrush
    • DisplayIcon = "%Program Files%\MalwareCrush\MalwareCrush.exe"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\MalwareCrush
    • DisplayVersion = "3.7"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\MalwareCrush
    • NSIS:StartMenuDir = "MalwareCrush"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\MalwareCrush
    • URLInfoAbout = "http://www.{BLOCKED}ecrush.com"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\MalwareCrush
    • Publisher = "MalwareCrush.com"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\MalwareCrush
    • Language = "1033"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Licenses
    • {R7C0DB872A3F777C0} = "{random values}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Licenses
    • {K7C0DB872A3F777C0} = "{random values}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}\InProcServer32
    • ThreadingModel = "Both"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Licenses
    • {I5CCCEDDCE2522C41} = "{random values}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Licenses
    • {05CCCEDDCE2522C41} = "{random values}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{4F2A5211-53B6-4C07-9A6D-959BF989528F}\TypeLib
    • Version = "1.0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{5C6D3658-833B-4E33-8BF4-77C4173770CF}\TypeLib
    • Version = "1.0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{6D1595CE-B92A-47C5-9CC3-AE11E5A9AAFA}\TypeLib
    • Version = "1.0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{E04407F5-F6B9-495D-A767-4D860E42DBE2}\TypeLib
    • Version = "1.0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{83481BE4-117A-4BB4-87B1-2B14528B64A7}\TypeLib
    • Version = "1.0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{8A5B98B5-6CC9-49D4-967C-BB6AAA04E7E4}\TypeLib
    • Version = "1.0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{C4585709-B01D-4EE5-9274-3E34EA56E4B8}\TypeLib
    • Version = "1.0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{C2105722-4ECC-48E8-866A-BF166CA967C4}\TypeLib
    • Version = "1.0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{B216377D-994C-4555-B44F-35F64D586833}\TypeLib
    • Version = "1.0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{535841D3-F4E1-4D3A-B506-CBC7F4E14913}\TypeLib
    • Version = "1.0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{28621188-61C7-4829-A54B-3B73D055E982}\TypeLib
    • Version = "1.0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{3544568D-D586-4746-84B9-84C7706AD597}\TypeLib
    • Version = "1.0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{8C55CF0F-FD4A-4B03-9365-906B0BFA86CC}\TypeLib
    • Version = "1.0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{878BF64D-DA3B-417C-A957-19662D5331C3}\TypeLib
    • Version = "1.0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{CCCC68A6-7114-423A-B9A5-7110EB925EDD}\TypeLib
    • Version = "1.0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{58035C9E-9A00-42FE-8F38-B380704F8EBA}\TypeLib
    • Version = "1.0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\dfedcebbba
    • DllName = "%System%\dfedcebbba.dll"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\dfedcebbba
    • Impersonate = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\dfedcebbba
    • Asynchronous = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\dfedcebbba
    • StartShell = "StartShell"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\dfedcebbba
    • Logon = "Logon"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\dfedcebbba
    • Logoff = "Logoff"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\dfedcebbba
    • Startup = "Startup"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\dfedcebbba
    • Unlock = "Unlock"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\dfedcebbba
    • Shutdown = "Shutdown"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\dfedcebbba
    • StartScreenSaver = "StartScreenSaver"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\dfedcebbba
    • StopScreenSaver = "StopScreenSaver"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\dfedcebbba
    • Lock = "Lock"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
    • passwordexpirywarninghash = "{random characters}"

Step 5

Restore this modified registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\RFC1156Agent\CurrentVersion\Parameters
    • From: TrapPollTimeMilliSecs = "3a98"
      To: TrapPollTimeMilliSecs = ""3a98""

Step 6

Search and delete these files

[ Learn More ]
There may be some component files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %User Temp%\nse2.tmp\ioSpecial.ini
  • %User Temp%\nse2.tmp\modern-wizard.bmp
  • %User Temp%\nse2.tmp\InstallOptions.dll
  • %User Temp%\nse2.tmp\StartMenu.dll
  • %Program Files%\MalwareCrush\MalwareCrush.exe
  • %Program Files%\MalwareCrush\prepare.exe
  • %Program Files%\MalwareCrush\msvcr71.dll
  • %Program Files%\MalwareCrush\msvcp71.dll
  • %Program Files%\MalwareCrush\blacklist.txt
  • %Program Files%\MalwareCrush\ref.dat
  • %Program Files%\MalwareCrush\Lang\English.ini
  • %User Temp%\nse2.tmp\GetCookie.dll
  • %User Temp%\nse2.tmp\NSISdl.dll
  • %User Temp%\tmp.tmp
  • %Start Menu%\Programs\MalwareCrush\MalwareCrush 3.7.lnk
  • %Desktop%\MalwareCrush.lnk
  • %Start Menu%\MalwareCrush 3.7.lnk
  • %User Profile%\Quick Launch\MalwareCrush 3.7.lnk
  • %Start Menu%\Programs\MalwareCrush\MalwareCrush 3.7 Website.lnk
  • %Start Menu%\Programs\MalwareCrush\Uninstall MalwareCrush 3.7.lnk
  • %Program Files%\MalwareCrush\uninst.exe
  • %System%\dfedcebbba.dll
  • %User Temp%\AC8F4C01.TMP
  • %User Temp%\SQLanguage.ini
  • %User Temp%\dbver.php

Step 7

Search and delete these folders

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • %System Root%\DOCUME~1
  • %System Root%\DOCUME~1\ADMINI~1
  • %User Profile%\LOCALS~1
  • %User Temp%\nse2.tmp
  • %Program Files%\MalwareCrush
  • %Program Files%\MalwareCrush\Lang
  • %Program Files%\MalwareCrush\Logs
  • %Program Files%\MalwareCrush\Quarantine
  • %System Root%\Documents and Settings\Administrator
  • %Start Menu%\Programs\MalwareCrush

Step 8

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_FAM437.TOMA. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.

Step 9

Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.

  • %User Temp%\nsu1.tmp
  • %User Temp%\nse2.tmp

Step 10

Restore these deleted registry keys/values from backup

*Note: Only Microsoft-related keys/values will be restored. If the malware/grayware also deleted registry keys/values related to programs that are not from Microsoft, please reinstall those programs on your computer.

  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{E4D71E45-94E1-A19A-A939-B7D2A756F719}
    • Version


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