TROJ_AGENT.KC

October 13, 2012
 ALIASES:

[00082000.EXE\00082000.EXE]:Ransom!de (McAfee); Trojan.ADH (Symantec); ARC:EmbeddedEXE, PAK:[data0000]:UPX, [data0000]:Trojan-Ransom.Win32.Hexzone.jlg, ARC:[data0001]:NSIS (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt)

 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:

5,801,904 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

18 Jun 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\Wilbert
  • %User Profile%\LOCALS~1
  • %User Temp%\nsm3.tmp
  • %User Temp%\nsm3.tmp\Lang
  • %System Root%\Documents and Settings\Wilbert
  • %User Profile%\Application Data\DAEMON Tools
  • %Program Files%\DAEMON Tools Lite
  • %Program Files%\DAEMON Tools Lite\Plugins
  • %Program Files%\DAEMON Tools Lite\Icons
  • %Program Files%\DAEMON Tools Lite\Lang
  • %Start Menu%\Programs\DAEMON Tools Lite

(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_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
DAEMON Tools Lite = "%Program Files%\DAEMON Tools Lite\daemon.exe -autorun"

It registers as a system service to ensure its automatic execution at every system startup by adding the following registry keys:

HKEY_LOCAL_MACHINE\System\CurrentControlSet\
Services\Eventlog\System\
sptd

Other System Modifications

This Trojan deletes the following files:

  • %User Temp%\nsr1.tmp
  • %User Temp%\nsm3.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\19659239224e364682fa4baf72c53ea4

HKEY_LOCAL_MACHINE\SOFTWARE\19659239224e364682fa4baf72c53ea4\
VolatileTest

HKEY_CLASSES_ROOT\DAEMON.Tools.Lite

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
DAEMON.Tools.Lite\DefaultIcon

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
DAEMON.Tools.Lite\shell\open\
command

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
FileExts\.mds

HKEY_CLASSES_ROOT\.mds

HKEY_LOCAL_MACHINE\Software\DT Soft\
DAEMON Tools Lite

HKEY_LOCAL_MACHINE\SOFTWARE\DT Soft\
DAEMON Tools Lite\FileTypesSave\.mds

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\ROOT\Certificates\
CE1A3553BA6155DA5160097B4B1EA1FF4CBA7195

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\sptd\Cfg

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\sptd\r0

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\19659239224e364682fa4baf72c53ea4
r = "1"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\Eventlog\System\
sptd
EventMessageFile = "%SystemRoot%\System32\IoLogMsg.dll"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\Eventlog\System\
sptd
TypesSupported = "7"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\ROOT\Certificates\
CE1A3553BA6155DA5160097B4B1EA1FF4CBA7195
Blob = "{random values}"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\sptd
Tag = "6"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\sptd
Start = "0"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\sptd\Cfg
s1 = "2df9c43f"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\sptd\Cfg
s2 = "1148d"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\sptd\Cfg
g0 = "{random values}"

It modifies the following registry entries:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\GroupOrderList
Boot Bus Extender = "{random values}"

(Note: The default value data of the said registry entry is {random values}.)

Dropping Routine

This Trojan drops the following files:

  • %Application Data%\microtask.exe
  • %Application Data%\daemon4301-lite 080808.exe
  • %User Temp%\nsx2.tmp
  • %User Temp%\nsm3.tmp\dtsetup.ini
  • %User Temp%\nsm3.tmp\Lang\ARA.dll
  • %User Temp%\nsm3.tmp\Lang\BGR.dll
  • %User Temp%\nsm3.tmp\Lang\CHS.dll
  • %User Temp%\nsm3.tmp\Lang\CHT.dll
  • %User Temp%\nsm3.tmp\Lang\CSY.dll
  • %User Temp%\nsm3.tmp\Lang\DAN.dll
  • %User Temp%\nsm3.tmp\Lang\DEU.dll
  • %User Temp%\nsm3.tmp\Lang\ELL.dll
  • %User Temp%\nsm3.tmp\Lang\ENU.dll
  • %User Temp%\nsm3.tmp\Lang\ESN.dll
  • %User Temp%\nsm3.tmp\Lang\FIN.dll
  • %User Temp%\nsm3.tmp\Lang\FRA.dll
  • %User Temp%\nsm3.tmp\Lang\HEB.dll
  • %User Temp%\nsm3.tmp\Lang\HRV.dll
  • %User Temp%\nsm3.tmp\Lang\HUN.dll
  • %User Temp%\nsm3.tmp\Lang\ITA.dll
  • %User Temp%\nsm3.tmp\Lang\JPN.dll
  • %User Temp%\nsm3.tmp\Lang\KOR.dll
  • %User Temp%\nsm3.tmp\Lang\LTH.dll
  • %User Temp%\nsm3.tmp\Lang\NLB.dll
  • %User Temp%\nsm3.tmp\Lang\NOR.dll
  • %User Temp%\nsm3.tmp\Lang\PLK.dll
  • %User Temp%\nsm3.tmp\Lang\PTB.dll
  • %User Temp%\nsm3.tmp\Lang\ROM.dll
  • %User Temp%\nsm3.tmp\Lang\RUS.dll
  • %User Temp%\nsm3.tmp\Lang\SKY.dll
  • %User Temp%\nsm3.tmp\Lang\SLV.dll
  • %User Temp%\nsm3.tmp\Lang\SRL.dll
  • %User Temp%\nsm3.tmp\Lang\SVE.dll
  • %User Temp%\nsm3.tmp\Lang\TRK.dll
  • %User Temp%\nsm3.tmp\Lang\UKR.dll
  • %User Temp%\nsm3.tmp\setuphlp.dll
  • %User Temp%\nsm3.tmp\HomePage.ini
  • %User Temp%\nsm3.tmp\StartPage.bmp
  • %User Temp%\nsm3.tmp\ioSpecial.ini
  • %User Temp%\nsm3.tmp\modern-wizard.bmp
  • %User Temp%\nsm3.tmp\modern-header.bmp
  • %User Temp%\nsm3.tmp\InstallOptions.dll
  • %User Temp%\nsm3.tmp\SPTDinst-x86.exe
  • %User Temp%\nsm3.tmp\SPTDinst-x64.exe
  • %Program Files%\DAEMON Tools Lite\daemon.dll
  • %Program Files%\DAEMON Tools Lite\imgengine.dll
  • %Program Files%\DAEMON Tools Lite\daemon.exe
  • %Program Files%\DAEMON Tools Lite\uninst.exe
  • %Program Files%\DAEMON Tools Lite\DaemonPlugin.dll
  • %Program Files%\DAEMON Tools Lite\Plugins\ISOmaker.dll
  • %Program Files%\DAEMON Tools Lite\Icons\tray1.ico
  • %Program Files%\DAEMON Tools Lite\Icons\tray2.ico
  • %Program Files%\DAEMON Tools Lite\Lang\ARA.dll
  • %Program Files%\DAEMON Tools Lite\Lang\BGR.dll
  • %Program Files%\DAEMON Tools Lite\Lang\CHS.dll
  • %Program Files%\DAEMON Tools Lite\Lang\CHT.dll
  • %Program Files%\DAEMON Tools Lite\Lang\CSY.dll
  • %Program Files%\DAEMON Tools Lite\Lang\DAN.dll
  • %Program Files%\DAEMON Tools Lite\Lang\DEU.dll
  • %Program Files%\DAEMON Tools Lite\Lang\ELL.dll
  • %Program Files%\DAEMON Tools Lite\Lang\ENU.dll
  • %Program Files%\DAEMON Tools Lite\Lang\ESN.dll
  • %Program Files%\DAEMON Tools Lite\Lang\FIN.dll
  • %Program Files%\DAEMON Tools Lite\Lang\FRA.dll
  • %Program Files%\DAEMON Tools Lite\Lang\HEB.dll
  • %Program Files%\DAEMON Tools Lite\Lang\HRV.dll
  • %Program Files%\DAEMON Tools Lite\Lang\HUN.dll
  • %Program Files%\DAEMON Tools Lite\Lang\ITA.dll
  • %Program Files%\DAEMON Tools Lite\Lang\JPN.dll
  • %Program Files%\DAEMON Tools Lite\Lang\KOR.dll
  • %Program Files%\DAEMON Tools Lite\Lang\LTH.dll
  • %Program Files%\DAEMON Tools Lite\Lang\NLB.dll
  • %Program Files%\DAEMON Tools Lite\Lang\NOR.dll
  • %Program Files%\DAEMON Tools Lite\Lang\PLK.dll
  • %Program Files%\DAEMON Tools Lite\Lang\PTB.dll
  • %Program Files%\DAEMON Tools Lite\Lang\ROM.dll
  • %Program Files%\DAEMON Tools Lite\Lang\RUS.dll
  • %Program Files%\DAEMON Tools Lite\Lang\SKY.dll
  • %Program Files%\DAEMON Tools Lite\Lang\SLV.dll
  • %Program Files%\DAEMON Tools Lite\Lang\SRL.dll
  • %Program Files%\DAEMON Tools Lite\Lang\SVE.dll
  • %Program Files%\DAEMON Tools Lite\Lang\TRK.dll
  • %Program Files%\DAEMON Tools Lite\Lang\UKR.dll
  • %Desktop%\DAEMON Tools Lite.lnk
  • %Start Menu%\Programs\DAEMON Tools Lite\Uninstall.lnk
  • %Start Menu%\Programs\DAEMON Tools Lite\DAEMON Tools Lite.lnk
  • %System%\Drivers\sptd.sys

(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Windows\Profiles\{user name}\Application Data on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Application Data on Windows NT, and C:\Documents and Settings\{user name}\Local Settings\Application Data 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.. %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.. %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.. %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://dt.{BLOCKED}arch-home.com/getsettings?{random characters}

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\System\CurrentControlSet\Services\Eventlog\System
    • sptd
  • In HKEY_LOCAL_MACHINE\SOFTWARE
    • 19659239224e364682fa4baf72c53ea4
  • In HKEY_LOCAL_MACHINE\SOFTWARE\19659239224e364682fa4baf72c53ea4
    • VolatileTest
  • In HKEY_CLASSES_ROOT
    • DAEMON.Tools.Lite
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\DAEMON.Tools.Lite
    • DefaultIcon
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\DAEMON.Tools.Lite\shell\open
    • command
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts
    • .mds
  • In HKEY_CLASSES_ROOT
    • .mds
  • In HKEY_LOCAL_MACHINE\Software\DT Soft
    • DAEMON Tools Lite
  • In HKEY_LOCAL_MACHINE\SOFTWARE\DT Soft\DAEMON Tools Lite\FileTypesSave
    • .mds
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates
    • CE1A3553BA6155DA5160097B4B1EA1FF4CBA7195
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\sptd
    • Cfg
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\sptd
    • r0

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_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • DAEMON Tools Lite = "%Program Files%\DAEMON Tools Lite\daemon.exe -autorun"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\19659239224e364682fa4baf72c53ea4
    • r = "1"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Eventlog\System\sptd
    • EventMessageFile = "%SystemRoot%\System32\IoLogMsg.dll"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Eventlog\System\sptd
    • TypesSupported = "7"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CE1A3553BA6155DA5160097B4B1EA1FF4CBA7195
    • Blob = "{random values}"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\sptd
    • Tag = "6"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\sptd
    • Start = "0"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\sptd\Cfg
    • s1 = "2df9c43f"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\sptd\Cfg
    • s2 = "1148d"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\sptd\Cfg
    • g0 = "{random values}"

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\SYSTEM\ControlSet001\Control\GroupOrderList
    • From: Boot Bus Extender = "{random values}"
      To: Boot Bus Extender = ""{random values}""

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.
  • %Application Data%\microtask.exe
  • %Application Data%\daemon4301-lite 080808.exe
  • %User Temp%\nsx2.tmp
  • %User Temp%\nsm3.tmp\dtsetup.ini
  • %User Temp%\nsm3.tmp\Lang\ARA.dll
  • %User Temp%\nsm3.tmp\Lang\BGR.dll
  • %User Temp%\nsm3.tmp\Lang\CHS.dll
  • %User Temp%\nsm3.tmp\Lang\CHT.dll
  • %User Temp%\nsm3.tmp\Lang\CSY.dll
  • %User Temp%\nsm3.tmp\Lang\DAN.dll
  • %User Temp%\nsm3.tmp\Lang\DEU.dll
  • %User Temp%\nsm3.tmp\Lang\ELL.dll
  • %User Temp%\nsm3.tmp\Lang\ENU.dll
  • %User Temp%\nsm3.tmp\Lang\ESN.dll
  • %User Temp%\nsm3.tmp\Lang\FIN.dll
  • %User Temp%\nsm3.tmp\Lang\FRA.dll
  • %User Temp%\nsm3.tmp\Lang\HEB.dll
  • %User Temp%\nsm3.tmp\Lang\HRV.dll
  • %User Temp%\nsm3.tmp\Lang\HUN.dll
  • %User Temp%\nsm3.tmp\Lang\ITA.dll
  • %User Temp%\nsm3.tmp\Lang\JPN.dll
  • %User Temp%\nsm3.tmp\Lang\KOR.dll
  • %User Temp%\nsm3.tmp\Lang\LTH.dll
  • %User Temp%\nsm3.tmp\Lang\NLB.dll
  • %User Temp%\nsm3.tmp\Lang\NOR.dll
  • %User Temp%\nsm3.tmp\Lang\PLK.dll
  • %User Temp%\nsm3.tmp\Lang\PTB.dll
  • %User Temp%\nsm3.tmp\Lang\ROM.dll
  • %User Temp%\nsm3.tmp\Lang\RUS.dll
  • %User Temp%\nsm3.tmp\Lang\SKY.dll
  • %User Temp%\nsm3.tmp\Lang\SLV.dll
  • %User Temp%\nsm3.tmp\Lang\SRL.dll
  • %User Temp%\nsm3.tmp\Lang\SVE.dll
  • %User Temp%\nsm3.tmp\Lang\TRK.dll
  • %User Temp%\nsm3.tmp\Lang\UKR.dll
  • %User Temp%\nsm3.tmp\setuphlp.dll
  • %User Temp%\nsm3.tmp\HomePage.ini
  • %User Temp%\nsm3.tmp\StartPage.bmp
  • %User Temp%\nsm3.tmp\ioSpecial.ini
  • %User Temp%\nsm3.tmp\modern-wizard.bmp
  • %User Temp%\nsm3.tmp\modern-header.bmp
  • %User Temp%\nsm3.tmp\InstallOptions.dll
  • %User Temp%\nsm3.tmp\SPTDinst-x86.exe
  • %User Temp%\nsm3.tmp\SPTDinst-x64.exe
  • %Program Files%\DAEMON Tools Lite\daemon.dll
  • %Program Files%\DAEMON Tools Lite\imgengine.dll
  • %Program Files%\DAEMON Tools Lite\daemon.exe
  • %Program Files%\DAEMON Tools Lite\uninst.exe
  • %Program Files%\DAEMON Tools Lite\DaemonPlugin.dll
  • %Program Files%\DAEMON Tools Lite\Plugins\ISOmaker.dll
  • %Program Files%\DAEMON Tools Lite\Icons\tray1.ico
  • %Program Files%\DAEMON Tools Lite\Icons\tray2.ico
  • %Program Files%\DAEMON Tools Lite\Lang\ARA.dll
  • %Program Files%\DAEMON Tools Lite\Lang\BGR.dll
  • %Program Files%\DAEMON Tools Lite\Lang\CHS.dll
  • %Program Files%\DAEMON Tools Lite\Lang\CHT.dll
  • %Program Files%\DAEMON Tools Lite\Lang\CSY.dll
  • %Program Files%\DAEMON Tools Lite\Lang\DAN.dll
  • %Program Files%\DAEMON Tools Lite\Lang\DEU.dll
  • %Program Files%\DAEMON Tools Lite\Lang\ELL.dll
  • %Program Files%\DAEMON Tools Lite\Lang\ENU.dll
  • %Program Files%\DAEMON Tools Lite\Lang\ESN.dll
  • %Program Files%\DAEMON Tools Lite\Lang\FIN.dll
  • %Program Files%\DAEMON Tools Lite\Lang\FRA.dll
  • %Program Files%\DAEMON Tools Lite\Lang\HEB.dll
  • %Program Files%\DAEMON Tools Lite\Lang\HRV.dll
  • %Program Files%\DAEMON Tools Lite\Lang\HUN.dll
  • %Program Files%\DAEMON Tools Lite\Lang\ITA.dll
  • %Program Files%\DAEMON Tools Lite\Lang\JPN.dll
  • %Program Files%\DAEMON Tools Lite\Lang\KOR.dll
  • %Program Files%\DAEMON Tools Lite\Lang\LTH.dll
  • %Program Files%\DAEMON Tools Lite\Lang\NLB.dll
  • %Program Files%\DAEMON Tools Lite\Lang\NOR.dll
  • %Program Files%\DAEMON Tools Lite\Lang\PLK.dll
  • %Program Files%\DAEMON Tools Lite\Lang\PTB.dll
  • %Program Files%\DAEMON Tools Lite\Lang\ROM.dll
  • %Program Files%\DAEMON Tools Lite\Lang\RUS.dll
  • %Program Files%\DAEMON Tools Lite\Lang\SKY.dll
  • %Program Files%\DAEMON Tools Lite\Lang\SLV.dll
  • %Program Files%\DAEMON Tools Lite\Lang\SRL.dll
  • %Program Files%\DAEMON Tools Lite\Lang\SVE.dll
  • %Program Files%\DAEMON Tools Lite\Lang\TRK.dll
  • %Program Files%\DAEMON Tools Lite\Lang\UKR.dll
  • %Desktop%\DAEMON Tools Lite.lnk
  • %Start Menu%\Programs\DAEMON Tools Lite\Uninstall.lnk
  • %Start Menu%\Programs\DAEMON Tools Lite\DAEMON Tools Lite.lnk
  • %System%\Drivers\sptd.sys

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\Wilbert
  • %User Profile%\LOCALS~1
  • %User Temp%\nsm3.tmp
  • %User Temp%\nsm3.tmp\Lang
  • %System Root%\Documents and Settings\Wilbert
  • %User Profile%\Application Data\DAEMON Tools
  • %Program Files%\DAEMON Tools Lite
  • %Program Files%\DAEMON Tools Lite\Plugins
  • %Program Files%\DAEMON Tools Lite\Icons
  • %Program Files%\DAEMON Tools Lite\Lang
  • %Start Menu%\Programs\DAEMON Tools Lite

Step 8

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_AGENT.KC. 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%\nsr1.tmp
  • %User Temp%\nsm3.tmp


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