WORM_LOVGATE.AL


 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Worm

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This worm 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:

820,468 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

28 May 2013

Arrival Details

This worm 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 worm creates the following folders:

  • %Program Files%\Gabest
  • %Program Files%\Gabest\VobSub
  • %Program Files%\Gabest\VobSub\Docs
  • %System Root%\Documents and Settings\Wilbert
  • %Start Menu%\Programs\VobSub

(Note: %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), and 7 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), and 7 (64-bit).. %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.. %Start Menu% is the current user's Start Menu folder, which is usually C:\Windows\Start Menu or C:\Documents and Settings\{User name}\Start Menu on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista and 7.)

Other System Modifications

This worm adds the following registry keys:

HKEY_CLASSES_ROOT\.idx

HKEY_CLASSES_ROOT\VobSubFile

HKEY_CLASSES_ROOT\VobSubFile\shell\
editor

HKEY_CLASSES_ROOT\VobSubFile\shell\
editor\command

HKEY_CLASSES_ROOT\VobSubFile\shell\
cutter

HKEY_CLASSES_ROOT\VobSubFile\shell\
cutter\command

HKEY_CLASSES_ROOT\SubFile

HKEY_CURRENT_USER\Software\Gabest

HKEY_CURRENT_USER\Software\Gabest\
DVobSub

HKEY_CURRENT_USER\Software\Gabest\
DVobSub\General

HKEY_CLASSES_ROOT\CLSID\{93A22E7A-5091-45EF-BA61-6DA26156A5D0}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{93A22E7A-5091-45EF-BA61-6DA26156A5D0}\InprocServer32

HKEY_CLASSES_ROOT\CLSID\{9852A670-F845-491B-9BE6-EBD841B8A613}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{9852A670-F845-491B-9BE6-EBD841B8A613}\InprocServer32

HKEY_CLASSES_ROOT\CLSID\{60765CF5-01C2-4EE7-A44B-C791CF25FEA0}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{60765CF5-01C2-4EE7-A44B-C791CF25FEA0}\InprocServer32

HKEY_CLASSES_ROOT\CLSID\{0180E49C-13BF-46DB-9AFD-9F52292E1C22}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{0180E49C-13BF-46DB-9AFD-9F52292E1C22}\InprocServer32

HKEY_CLASSES_ROOT\CLSID\{A8B25C0E-0894-4531-B668-AB1599FAF7F6}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{A8B25C0E-0894-4531-B668-AB1599FAF7F6}\InprocServer32

HKEY_CLASSES_ROOT\CLSID\{ACE4747B-35BD-4E97-9DD7-1D4245B0695C}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{ACE4747B-35BD-4E97-9DD7-1D4245B0695C}\InprocServer32

HKEY_CLASSES_ROOT\CLSID\{525F116F-04AD-40A2-AE2F-A0C4E1AFEF98}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{525F116F-04AD-40A2-AE2F-A0C4E1AFEF98}\InprocServer32

HKEY_CLASSES_ROOT\CLSID\{C2D6D98F-09CA-4524-AF64-1049B5665C9C}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{C2D6D98F-09CA-4524-AF64-1049B5665C9C}\InprocServer32

HKEY_CLASSES_ROOT\CLSID\{CE77C59C-CFD2-429F-868C-8B04D23F94CA}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{CE77C59C-CFD2-429F-868C-8B04D23F94CA}\InprocServer32

HKEY_CLASSES_ROOT\CLSID\{F544E0F5-CA3C-47EA-A64D-35FCF1602396}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{F544E0F5-CA3C-47EA-A64D-35FCF1602396}\InprocServer32

HKEY_CLASSES_ROOT\CLSID\{A144E330-841A-4FE1-BBAF-57F1CB465C19}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{A144E330-841A-4FE1-BBAF-57F1CB465C19}\InprocServer32

HKEY_CLASSES_ROOT\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\
Instance\{93A22E7A-5091-45EF-BA61-6DA26156A5D0}

HKEY_CLASSES_ROOT\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\
Instance\{9852A670-F845-491B-9BE6-EBD841B8A613}

HKEY_CLASSES_ROOT\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\
Instance\{A144E330-841A-4FE1-BBAF-57F1CB465C19}

HKEY_CLASSES_ROOT\.sub

HKEY_CLASSES_ROOT\.srt

HKEY_CLASSES_ROOT\.smi

HKEY_CLASSES_ROOT\.psb

HKEY_CLASSES_ROOT\VobSubFile\shell\
subresync

HKEY_CLASSES_ROOT\VobSubFile\shell\
subresync\command

HKEY_CLASSES_ROOT\SubFile\shell\
subresync

HKEY_CLASSES_ROOT\SubFile\shell\
subresync\command

HKEY_CLASSES_ROOT\VobSubFile\shell\
open\command

HKEY_CLASSES_ROOT\SubFile\shell\
open\command

HKEY_LOCAL_MACHINE\SOFTWARE\VobSub

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
VobSub

It adds the following registry entries:

HKEY_CURRENT_USER\Software\Gabest\
DVobSub\General
LoadLevel = "0"

HKEY_CURRENT_USER\Software\Gabest\
DVobSub\General
VMRZoomEnabled = "0"

HKEY_CURRENT_USER\Software\Gabest\
DVobSub\General
EnableZPIcon = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{93A22E7A-5091-45EF-BA61-6DA26156A5D0}\InprocServer32
ThreadingModel = "Both"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{9852A670-F845-491B-9BE6-EBD841B8A613}\InprocServer32
ThreadingModel = "Both"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{60765CF5-01C2-4EE7-A44B-C791CF25FEA0}\InprocServer32
ThreadingModel = "Both"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{0180E49C-13BF-46DB-9AFD-9F52292E1C22}\InprocServer32
ThreadingModel = "Both"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{A8B25C0E-0894-4531-B668-AB1599FAF7F6}\InprocServer32
ThreadingModel = "Both"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{ACE4747B-35BD-4E97-9DD7-1D4245B0695C}\InprocServer32
ThreadingModel = "Both"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{525F116F-04AD-40A2-AE2F-A0C4E1AFEF98}\InprocServer32
ThreadingModel = "Both"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{C2D6D98F-09CA-4524-AF64-1049B5665C9C}\InprocServer32
ThreadingModel = "Both"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{CE77C59C-CFD2-429F-868C-8B04D23F94CA}\InprocServer32
ThreadingModel = "Both"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{F544E0F5-CA3C-47EA-A64D-35FCF1602396}\InprocServer32
ThreadingModel = "Both"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{A144E330-841A-4FE1-BBAF-57F1CB465C19}\InprocServer32
ThreadingModel = "Both"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\
{93A22E7A-5091-45EF-BA61-6DA26156A5D0}
FriendlyName = "DirectVobSub"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\
{93A22E7A-5091-45EF-BA61-6DA26156A5D0}
CLSID = "{93A22E7A-5091-45EF-BA61-6DA26156A5D0}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\
{93A22E7A-5091-45EF-BA61-6DA26156A5D0}
FilterData = "{random values}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\
{9852A670-F845-491B-9BE6-EBD841B8A613}
FriendlyName = "DirectVobSub (auto-loading version)"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\
{9852A670-F845-491B-9BE6-EBD841B8A613}
CLSID = "{9852A670-F845-491B-9BE6-EBD841B8A613}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\
{9852A670-F845-491B-9BE6-EBD841B8A613}
FilterData = "{random values}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\
{A144E330-841A-4FE1-BBAF-57F1CB465C19}
FriendlyName = "Subtitle Source"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\
{A144E330-841A-4FE1-BBAF-57F1CB465C19}
CLSID = "{A144E330-841A-4FE1-BBAF-57F1CB465C19}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\
{A144E330-841A-4FE1-BBAF-57F1CB465C19}
FilterData = "{random values}"

HKEY_LOCAL_MACHINE\SOFTWARE\VobSub
InstallDir = "%Program Files%\Gabest\VobSub"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
VobSub
DisplayName = "VobSub v2.18 (Remove Only)"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
VobSub
UninstallString = "%Program Files%\Gabest\VobSub\uninstall.exe"

It deletes the following registry keys:

HKEY_CURRENT_USER\Software\Microsoft\
Multimedia\ActiveMovie\Filter Cache

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\
{93A22E7A-5091-45EF-BA61-6DA26156A5D0}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\
{9852A670-F845-491B-9BE6-EBD841B8A613}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\
{A144E330-841A-4FE1-BBAF-57F1CB465C19}

Dropping Routine

This worm drops the following files:

  • %User Temp%\nsi1.tmp
  • %User Temp%\nsisos.dll
  • %Program Files%\Gabest\VobSub\Docs\ass-quickref.txt
  • %Program Files%\Gabest\VobSub\Docs\ass-specs.doc
  • %Program Files%\Gabest\VobSub\Docs\dvobsub.txt
  • %Program Files%\Gabest\VobSub\Docs\license.txt
  • %Program Files%\Gabest\VobSub\Docs\readme1st.txt
  • %Program Files%\Gabest\VobSub\Docs\submux.txt
  • %Program Files%\Gabest\VobSub\Docs\subresync.txt
  • %Program Files%\Gabest\VobSub\Docs\supported formats.txt
  • %Program Files%\Gabest\VobSub\Docs\textsub.txt
  • %Program Files%\Gabest\VobSub\Docs\unicode.txt
  • %Program Files%\Gabest\VobSub\Docs\vobsub-auto.txt
  • %Program Files%\Gabest\VobSub\Docs\vobsub.txt
  • %System%\unrar.dll
  • %System%\vobsub.dll
  • %Program Files%\Gabest\VobSub\VobSub Configure.lnk
  • %Program Files%\Gabest\VobSub\VobSub Cutter.lnk
  • %Program Files%\Gabest\VobSub\VobSub Joiner.lnk
  • %System%\DVobSub.ax
  • %Program Files%\Gabest\VobSub\DirectVobSub Configure.lnk
  • %Program Files%\Gabest\VobSub\subresync.exe
  • %Program Files%\Gabest\VobSub\submux.exe
  • %Start Menu%\Programs\VobSub\VobSub dir.lnk
  • %Start Menu%\Programs\VobSub\SubResync.lnk
  • %Start Menu%\Programs\VobSub\SubMux.lnk
  • %Start Menu%\Programs\VobSub\Uninstall.lnk
  • %Start Menu%\Programs\VobSub\VobSub Configure.lnk
  • %Start Menu%\Programs\VobSub\VobSub Cutter.lnk
  • %Start Menu%\Programs\VobSub\VobSub Joiner.lnk
  • %Start Menu%\Programs\VobSub\DirectVobSub Configure.lnk
  • %Program Files%\Gabest\VobSub\uninstall.exe

(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, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), and 7 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), and 7 (64-bit).. %System% is the Windows system folder, which is usually C:\Windows\System32.. %Start Menu% is the current user's Start Menu folder, which is usually C:\Windows\Start Menu or C:\Documents and Settings\{User name}\Start Menu on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista and 7.)

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.300

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

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_CLASSES_ROOT
    • .idx
  • In HKEY_CLASSES_ROOT
    • VobSubFile
  • In HKEY_CLASSES_ROOT\VobSubFile\shell
    • editor
  • In HKEY_CLASSES_ROOT\VobSubFile\shell\editor
    • command
  • In HKEY_CLASSES_ROOT\VobSubFile\shell
    • cutter
  • In HKEY_CLASSES_ROOT\VobSubFile\shell\cutter
    • command
  • In HKEY_CLASSES_ROOT
    • SubFile
  • In HKEY_CURRENT_USER\Software
    • Gabest
  • In HKEY_CURRENT_USER\Software\Gabest
    • DVobSub
  • In HKEY_CURRENT_USER\Software\Gabest\DVobSub
    • General
  • In HKEY_CLASSES_ROOT\CLSID
    • {93A22E7A-5091-45EF-BA61-6DA26156A5D0}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{93A22E7A-5091-45EF-BA61-6DA26156A5D0}
    • InprocServer32
  • In HKEY_CLASSES_ROOT\CLSID
    • {9852A670-F845-491B-9BE6-EBD841B8A613}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9852A670-F845-491B-9BE6-EBD841B8A613}
    • InprocServer32
  • In HKEY_CLASSES_ROOT\CLSID
    • {60765CF5-01C2-4EE7-A44B-C791CF25FEA0}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{60765CF5-01C2-4EE7-A44B-C791CF25FEA0}
    • InprocServer32
  • In HKEY_CLASSES_ROOT\CLSID
    • {0180E49C-13BF-46DB-9AFD-9F52292E1C22}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{0180E49C-13BF-46DB-9AFD-9F52292E1C22}
    • InprocServer32
  • In HKEY_CLASSES_ROOT\CLSID
    • {A8B25C0E-0894-4531-B668-AB1599FAF7F6}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A8B25C0E-0894-4531-B668-AB1599FAF7F6}
    • InprocServer32
  • In HKEY_CLASSES_ROOT\CLSID
    • {ACE4747B-35BD-4E97-9DD7-1D4245B0695C}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{ACE4747B-35BD-4E97-9DD7-1D4245B0695C}
    • InprocServer32
  • In HKEY_CLASSES_ROOT\CLSID
    • {525F116F-04AD-40A2-AE2F-A0C4E1AFEF98}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{525F116F-04AD-40A2-AE2F-A0C4E1AFEF98}
    • InprocServer32
  • In HKEY_CLASSES_ROOT\CLSID
    • {C2D6D98F-09CA-4524-AF64-1049B5665C9C}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{C2D6D98F-09CA-4524-AF64-1049B5665C9C}
    • InprocServer32
  • In HKEY_CLASSES_ROOT\CLSID
    • {CE77C59C-CFD2-429F-868C-8B04D23F94CA}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{CE77C59C-CFD2-429F-868C-8B04D23F94CA}
    • InprocServer32
  • In HKEY_CLASSES_ROOT\CLSID
    • {F544E0F5-CA3C-47EA-A64D-35FCF1602396}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{F544E0F5-CA3C-47EA-A64D-35FCF1602396}
    • InprocServer32
  • In HKEY_CLASSES_ROOT\CLSID
    • {A144E330-841A-4FE1-BBAF-57F1CB465C19}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A144E330-841A-4FE1-BBAF-57F1CB465C19}
    • InprocServer32
  • In HKEY_CLASSES_ROOT\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance
    • {93A22E7A-5091-45EF-BA61-6DA26156A5D0}
  • In HKEY_CLASSES_ROOT\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance
    • {9852A670-F845-491B-9BE6-EBD841B8A613}
  • In HKEY_CLASSES_ROOT\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance
    • {A144E330-841A-4FE1-BBAF-57F1CB465C19}
  • In HKEY_CLASSES_ROOT
    • .sub
  • In HKEY_CLASSES_ROOT
    • .srt
  • In HKEY_CLASSES_ROOT
    • .smi
  • In HKEY_CLASSES_ROOT
    • .psb
  • In HKEY_CLASSES_ROOT\VobSubFile\shell
    • subresync
  • In HKEY_CLASSES_ROOT\VobSubFile\shell\subresync
    • command
  • In HKEY_CLASSES_ROOT\SubFile\shell
    • subresync
  • In HKEY_CLASSES_ROOT\SubFile\shell\subresync
    • command
  • In HKEY_CLASSES_ROOT\VobSubFile\shell\open
    • command
  • In HKEY_CLASSES_ROOT\SubFile\shell\open
    • command
  • In HKEY_LOCAL_MACHINE\SOFTWARE
    • VobSub
  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
    • VobSub

Step 3

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\Gabest\DVobSub\General
    • LoadLevel = "0"
  • In HKEY_CURRENT_USER\Software\Gabest\DVobSub\General
    • VMRZoomEnabled = "0"
  • In HKEY_CURRENT_USER\Software\Gabest\DVobSub\General
    • EnableZPIcon = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{93A22E7A-5091-45EF-BA61-6DA26156A5D0}\InprocServer32
    • ThreadingModel = "Both"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9852A670-F845-491B-9BE6-EBD841B8A613}\InprocServer32
    • ThreadingModel = "Both"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{60765CF5-01C2-4EE7-A44B-C791CF25FEA0}\InprocServer32
    • ThreadingModel = "Both"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{0180E49C-13BF-46DB-9AFD-9F52292E1C22}\InprocServer32
    • ThreadingModel = "Both"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A8B25C0E-0894-4531-B668-AB1599FAF7F6}\InprocServer32
    • ThreadingModel = "Both"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{ACE4747B-35BD-4E97-9DD7-1D4245B0695C}\InprocServer32
    • ThreadingModel = "Both"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{525F116F-04AD-40A2-AE2F-A0C4E1AFEF98}\InprocServer32
    • ThreadingModel = "Both"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{C2D6D98F-09CA-4524-AF64-1049B5665C9C}\InprocServer32
    • ThreadingModel = "Both"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{CE77C59C-CFD2-429F-868C-8B04D23F94CA}\InprocServer32
    • ThreadingModel = "Both"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{F544E0F5-CA3C-47EA-A64D-35FCF1602396}\InprocServer32
    • ThreadingModel = "Both"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A144E330-841A-4FE1-BBAF-57F1CB465C19}\InprocServer32
    • ThreadingModel = "Both"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\{93A22E7A-5091-45EF-BA61-6DA26156A5D0}
    • FriendlyName = "DirectVobSub"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\{93A22E7A-5091-45EF-BA61-6DA26156A5D0}
    • CLSID = "{93A22E7A-5091-45EF-BA61-6DA26156A5D0}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\{93A22E7A-5091-45EF-BA61-6DA26156A5D0}
    • FilterData = "{random values}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\{9852A670-F845-491B-9BE6-EBD841B8A613}
    • FriendlyName = "DirectVobSub (auto-loading version)"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\{9852A670-F845-491B-9BE6-EBD841B8A613}
    • CLSID = "{9852A670-F845-491B-9BE6-EBD841B8A613}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\{9852A670-F845-491B-9BE6-EBD841B8A613}
    • FilterData = "{random values}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\{A144E330-841A-4FE1-BBAF-57F1CB465C19}
    • FriendlyName = "Subtitle Source"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\{A144E330-841A-4FE1-BBAF-57F1CB465C19}
    • CLSID = "{A144E330-841A-4FE1-BBAF-57F1CB465C19}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\{A144E330-841A-4FE1-BBAF-57F1CB465C19}
    • FilterData = "{random values}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\VobSub
    • InstallDir = "%Program Files%\Gabest\VobSub"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\VobSub
    • DisplayName = "VobSub v2.18 (Remove Only)"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\VobSub
    • UninstallString = "%Program Files%\Gabest\VobSub\uninstall.exe"

Step 4

Search and delete these components

[ Learn More ]
There may be some components 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%\nsi1.tmp
  • %User Temp%\nsisos.dll
  • %Program Files%\Gabest\VobSub\Docs\ass-quickref.txt
  • %Program Files%\Gabest\VobSub\Docs\ass-specs.doc
  • %Program Files%\Gabest\VobSub\Docs\dvobsub.txt
  • %Program Files%\Gabest\VobSub\Docs\license.txt
  • %Program Files%\Gabest\VobSub\Docs\readme1st.txt
  • %Program Files%\Gabest\VobSub\Docs\submux.txt
  • %Program Files%\Gabest\VobSub\Docs\subresync.txt
  • %Program Files%\Gabest\VobSub\Docs\supported formats.txt
  • %Program Files%\Gabest\VobSub\Docs\textsub.txt
  • %Program Files%\Gabest\VobSub\Docs\unicode.txt
  • %Program Files%\Gabest\VobSub\Docs\vobsub-auto.txt
  • %Program Files%\Gabest\VobSub\Docs\vobsub.txt
  • %System%\unrar.dll
  • %System%\vobsub.dll
  • %Program Files%\Gabest\VobSub\VobSub Configure.lnk
  • %Program Files%\Gabest\VobSub\VobSub Cutter.lnk
  • %Program Files%\Gabest\VobSub\VobSub Joiner.lnk
  • %System%\DVobSub.ax
  • %Program Files%\Gabest\VobSub\DirectVobSub Configure.lnk
  • %Program Files%\Gabest\VobSub\subresync.exe
  • %Program Files%\Gabest\VobSub\submux.exe
  • %Start Menu%\Programs\VobSub\VobSub dir.lnk
  • %Start Menu%\Programs\VobSub\SubResync.lnk
  • %Start Menu%\Programs\VobSub\SubMux.lnk
  • %Start Menu%\Programs\VobSub\Uninstall.lnk
  • %Start Menu%\Programs\VobSub\VobSub Configure.lnk
  • %Start Menu%\Programs\VobSub\VobSub Cutter.lnk
  • %Start Menu%\Programs\VobSub\VobSub Joiner.lnk
  • %Start Menu%\Programs\VobSub\DirectVobSub Configure.lnk
  • %Program Files%\Gabest\VobSub\uninstall.exe

Step 5

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.
  • %Program Files%\Gabest
  • %Program Files%\Gabest\VobSub
  • %Program Files%\Gabest\VobSub\Docs
  • %System Root%\Documents and Settings\Wilbert
  • %Start Menu%\Programs\VobSub

Step 6

Scan your computer with your Trend Micro product to delete files detected as WORM_LOVGATE.AL. 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 7

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_CURRENT_USER\Software\Microsoft\Multimedia\ActiveMovie
    • Filter Cache
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance
    • {93A22E7A-5091-45EF-BA61-6DA26156A5D0}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance
    • {9852A670-F845-491B-9BE6-EBD841B8A613}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance
    • {A144E330-841A-4FE1-BBAF-57F1CB465C19}


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