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TROJ_DLOADE.BSM

October 06, 2012
 ALIASES:

TrojanDownloader:Win32/Cekar.gen!A (Microsoft); PAK:ASPack, ARC:EmbeddedEXE, PAK:[data0000]:UPack, [data0000]:Trojan-Downloader.Win32.Agent.dex (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:

1,342,976 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

06 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.

Other System Modifications

This Trojan deletes the following files:

  • %System%\macromed\flash\flash.ocx
  • %System%\macromed\flash\GetFlash.exe
  • %System%\macromed\flash\GetFlash.exe.manifest

(Note: %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.)

It adds the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{1171A62F-05D2-11D1-83FC-00A0C9089C5A}\Programmable

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Control

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\EnableFullPage\
.mfp

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\EnableFullPage\
.spl

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\EnableFullPage\
.swf

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Implemented Categories\
{7DD95801-9882-11CF-9FA9-00AA006C42C4}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Implemented Categories\
{7DD95802-9882-11CF-9FA9-00AA006C42C4}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\InprocServer32\
ThreadingModel

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Programmable

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\Control

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\Programmable

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
MacromediaFlashPaper.MacromediaFlashPaper\CLSID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
ShockwaveFlash.ShockwaveFlash.7

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
ShockwaveFlash.ShockwaveFlash.7\CLSID

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Code Store Database\Distribution Units\{D27CDB6E-AE6D-11CF-96B8-444553540000}\
Contains

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Code Store Database\Distribution Units\{D27CDB6E-AE6D-11CF-96B8-444553540000}\
DownloadInformation

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Code Store Database\Distribution Units\{D27CDB6E-AE6D-11CF-96B8-444553540000}\
InstalledVersion

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer\ActiveX Compatibility\{D27CDB6E-AE6D-11CF-96B8-444553540000}

HKEY_CLASSES_ROOT\ShockwaveFlash.ShockwaveFlash\Shell\
open\command

HKEY_LOCAL_MACHINE\Software\Macromedia\
FlashPlayer\SafeVersions

HKEY_CLASSES_ROOT\ShockwaveFlash.ShockwaveFlash.8

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
ShockwaveFlash.ShockwaveFlash.8\CLSID

HKEY_CLASSES_ROOT\ShockwaveFlash.ShockwaveFlash.9

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
ShockwaveFlash.ShockwaveFlash.9\CLSID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\EnableFullPage

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Implemented Categories

HKEY_CLASSES_ROOT\.mfp

HKEY_CLASSES_ROOT\.sol

HKEY_CLASSES_ROOT\.sor

HKEY_CLASSES_ROOT\MacromediaFlashPaper.MacromediaFlashPaper\shell\
open\command

HKEY_CLASSES_ROOT\MacromediaFlashPaper.MacromediaFlashPaper\DefaultIcon

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Code Store Database\Distribution Units\{D27CDB6E-AE6D-11CF-96B8-444553540000}\
DownloadInformation
CODEBASE = "http://fpdownload.{BLOCKED}edia.com/pub/shockwave/cabs/flash/swflash.cab"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Code Store Database\Distribution Units\{D27CDB6E-AE6D-11CF-96B8-444553540000}\
DownloadInformation
INF = "%Windows%\Downloaded Program Files\swflash.inf"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Code Store Database\Distribution Units\{D27CDB6E-AE6D-11CF-96B8-444553540000}\
InstalledVersion
LastModified = "Tue, 20 Apr 2005 14:15:45 GMT"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Code Store Database\Distribution Units\{D27CDB6E-AE6D-11CF-96B8-444553540000}
Installer = "MSICD"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Code Store Database\Distribution Units\{D27CDB6E-AE6D-11CF-96B8-444553540000}
SystemComponent = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer\ActiveX Compatibility\{D27CDB6E-AE6D-11CF-96B8-444553540000}
Compatibility Flags = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\
FlashPlayer\SafeVersions
6.0 = "54"

HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\
FlashPlayer\SafeVersions
7.0 = "3f"

HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\
FlashPlayer\SafeVersions
8.0 = "18"

HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\
FlashPlayer\SafeVersions
9.0 = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.mfp
Content Type = "application/x-shockwave-flash"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.sol
Content Type = "text/plain"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.sor
Content Type = "text/plain"

HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\
FlashPlayer
CurrentVersion = "9,0,16,0"

HKEY_CLASSES_ROOT
.grp = "MSProgramGroup"

HKEY_CLASSES_ROOT
MSProgramGroup = "Microsoft Program Group"

HKEY_CLASSES_ROOT
MSProgramGroup\Shell\Open\Command = "%System%\grpconv.exe %1"

It modifies the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{1171A62F-05D2-11D1-83FC-00A0C9089C5A}\InprocServer32
ThreadingModel = "Apartment"

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

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\InprocServer32
ThreadingModel = "Apartment"

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

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{57A0E747-3863-4D20-A811-950C84F1DB9B}\TypeLib
Version = "1.0"

(Note: The default value data of the said registry entry is 1.0.)

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{D27CDB6C-AE6D-11CF-96B8-444553540000}\TypeLib
Version = "1.0"

(Note: The default value data of the said registry entry is 1.0.)

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}\TypeLib
Version = "1.0"

(Note: The default value data of the said registry entry is 1.0.)

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\InprocServer32
ThreadingModel = "Apartment"

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

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.spl
Content Type = "application/futuresplash"

(Note: The default value data of the said registry entry is application/futuresplash.)

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.swf
Content Type = "application/x-shockwave-flash"

(Note: The default value data of the said registry entry is application/x-shockwave-flash.)

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
MIME\Database\Content Type\
application/futuresplash
Extension = ".spl"

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

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
MIME\Database\Content Type\
application/futuresplash
CLSID = "{D27CDB6E-AE6D-11cf-96B8-444553540000}"

(Note: The default value data of the said registry entry is {D27CDB6E-AE6D-11cf-96B8-444553540000}.)

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
MIME\Database\Content Type\
application/x-shockwave-flash
Extension = ".swf"

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

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
MIME\Database\Content Type\
application/x-shockwave-flash
CLSID = "{D27CDB6E-AE6D-11cf-96B8-444553540000}"

(Note: The default value data of the said registry entry is {D27CDB6E-AE6D-11cf-96B8-444553540000}.)

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{57A0E747-3863-4D20-A811-950C84F1DB9B}\TypeLib
Version = "1.1"

(Note: The default value data of the said registry entry is 1.0.)

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\GrpConv
Log = "Init Application."

(Note: The default value data of the said registry entry is Uninit Application..)

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\GrpConv
Log = "bdg: ..."

(Note: The default value data of the said registry entry is Uninit Application..)

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\GrpConv
Log = "bdg: Done."

(Note: The default value data of the said registry entry is Uninit Application..)

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\GrpConv
Log = "dros: ..."

(Note: The default value data of the said registry entry is Uninit Application..)

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\GrpConv
Log = "dros: Renames."

(Note: The default value data of the said registry entry is Uninit Application..)

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\GrpConv
Log = "dros: Copies."

(Note: The default value data of the said registry entry is Uninit Application..)

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\GrpConv
Log = "dros: Deletes."

(Note: The default value data of the said registry entry is Uninit Application..)

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\GrpConv
Log = "dros: Done."

(Note: The default value data of the said registry entry is Uninit Application..)

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\GrpConv
Log = "Uninit Application."

(Note: The default value data of the said registry entry is Uninit Application..)

It deletes the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\InprocServer32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\MiscStatus\
1

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\MiscStatus

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\ProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\ToolboxBitmap32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Version

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\VersionIndependentProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\InprocServer32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\ProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\VersionIndependentProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{1171A62F-05D2-11D1-83FC-00A0C9089C5A}\InprocServer32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{1171A62F-05D2-11D1-83FC-00A0C9089C5A}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\ToolboxBitmap32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\Version

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
FlashFactory.FlashFactory.1\CLSID

HKEY_CLASSES_ROOT\FlashFactory.FlashFactory.1

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
ShockwaveFlash.ShockwaveFlash.1\CLSID

HKEY_CLASSES_ROOT\ShockwaveFlash.ShockwaveFlash.1

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
FlashFactory.FlashFactory\CLSID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
FlashFactory.FlashFactory\CurVer

HKEY_CLASSES_ROOT\FlashFactory.FlashFactory

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
ShockwaveFlash.ShockwaveFlash.3\CLSID

HKEY_CLASSES_ROOT\ShockwaveFlash.ShockwaveFlash.3

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
ShockwaveFlash.ShockwaveFlash.4\CLSID

HKEY_CLASSES_ROOT\ShockwaveFlash.ShockwaveFlash.4

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
ShockwaveFlash.ShockwaveFlash.5\CLSID

HKEY_CLASSES_ROOT\ShockwaveFlash.ShockwaveFlash.5

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
ShockwaveFlash.ShockwaveFlash.6\CLSID

HKEY_CLASSES_ROOT\ShockwaveFlash.ShockwaveFlash.6

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
ShockwaveFlash.ShockwaveFlash\CLSID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
ShockwaveFlash.ShockwaveFlash\CurVer

HKEY_CLASSES_ROOT\ShockwaveFlash.ShockwaveFlash

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
FlashProp.FlashProp.1\CLSID

HKEY_CLASSES_ROOT\FlashProp.FlashProp.1

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
FlashProp.FlashProp\CurVer

HKEY_CLASSES_ROOT\FlashProp.FlashProp

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{D27CDB6B-AE6D-11CF-96B8-444553540000}\1.0\
0\win32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{D27CDB6B-AE6D-11CF-96B8-444553540000}\1.0\
0

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{D27CDB6B-AE6D-11CF-96B8-444553540000}\1.0\
FLAGS

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{D27CDB6B-AE6D-11CF-96B8-444553540000}\1.0\
HELPDIR

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{D27CDB6B-AE6D-11CF-96B8-444553540000}\1.0

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{D27CDB6B-AE6D-11CF-96B8-444553540000}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{D27CDB6C-AE6D-11CF-96B8-444553540000}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{D27CDB6C-AE6D-11CF-96B8-444553540000}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{D27CDB6C-AE6D-11CF-96B8-444553540000}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{D27CDB6C-AE6D-11CF-96B8-444553540000}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.0\
0\win32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.0\
0

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.0\
FLAGS

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.0\
HELPDIR

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.0

Dropping Routine

This Trojan drops the following files:

  • %User Temp%\UninstFl.exe
  • %Windows%\Downloaded Program Files\swflash.inf
  • %System%\macromed\flash\swflash.inf
  • %System%\macromed\flash\Flash9.ocx

(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.. %Windows% is the Windows folder, which is usually C:\Windows or C:\WINNT.. %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.)

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

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\Classes\CLSID\{1171A62F-05D2-11D1-83FC-00A0C9089C5A}
    • Programmable
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}
    • Control
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\EnableFullPage
    • .mfp
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\EnableFullPage
    • .spl
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\EnableFullPage
    • .swf
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Implemented Categories
    • {7DD95801-9882-11CF-9FA9-00AA006C42C4}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Implemented Categories
    • {7DD95802-9882-11CF-9FA9-00AA006C42C4}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\InprocServer32
    • ThreadingModel
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}
    • Programmable
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}
    • Control
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}
    • Programmable
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MacromediaFlashPaper.MacromediaFlashPaper
    • CLSID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes
    • ShockwaveFlash.ShockwaveFlash.7
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.7
    • CLSID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Code Store Database\Distribution Units\{D27CDB6E-AE6D-11CF-96B8-444553540000}
    • Contains
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Code Store Database\Distribution Units\{D27CDB6E-AE6D-11CF-96B8-444553540000}
    • DownloadInformation
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Code Store Database\Distribution Units\{D27CDB6E-AE6D-11CF-96B8-444553540000}
    • InstalledVersion
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility
    • {D27CDB6E-AE6D-11CF-96B8-444553540000}
  • In HKEY_CLASSES_ROOT\ShockwaveFlash.ShockwaveFlash\Shell\open
    • command
  • In HKEY_LOCAL_MACHINE\Software\Macromedia\FlashPlayer
    • SafeVersions
  • In HKEY_CLASSES_ROOT
    • ShockwaveFlash.ShockwaveFlash.8
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.8
    • CLSID
  • In HKEY_CLASSES_ROOT
    • ShockwaveFlash.ShockwaveFlash.9
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.9
    • CLSID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}
    • EnableFullPage
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}
    • Implemented Categories
  • In HKEY_CLASSES_ROOT
    • .mfp
  • In HKEY_CLASSES_ROOT
    • .sol
  • In HKEY_CLASSES_ROOT
    • .sor
  • In HKEY_CLASSES_ROOT\MacromediaFlashPaper.MacromediaFlashPaper\shell\open
    • command
  • In HKEY_CLASSES_ROOT\MacromediaFlashPaper.MacromediaFlashPaper
    • DefaultIcon

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_LOCAL_MACHINE\SOFTWARE\Microsoft\Code Store Database\Distribution Units\{D27CDB6E-AE6D-11CF-96B8-444553540000}\DownloadInformation
    • CODEBASE = "http://fpdownload.{BLOCKED}edia.com/pub/shockwave/cabs/flash/swflash.cab"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Code Store Database\Distribution Units\{D27CDB6E-AE6D-11CF-96B8-444553540000}\DownloadInformation
    • INF = "%Windows%\Downloaded Program Files\swflash.inf"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Code Store Database\Distribution Units\{D27CDB6E-AE6D-11CF-96B8-444553540000}\InstalledVersion
    • LastModified = "Tue, 20 Apr 2005 14:15:45 GMT"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Code Store Database\Distribution Units\{D27CDB6E-AE6D-11CF-96B8-444553540000}
    • Installer = "MSICD"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Code Store Database\Distribution Units\{D27CDB6E-AE6D-11CF-96B8-444553540000}
    • SystemComponent = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{D27CDB6E-AE6D-11CF-96B8-444553540000}
    • Compatibility Flags = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\FlashPlayer\SafeVersions
    • 6.0 = "54"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\FlashPlayer\SafeVersions
    • 7.0 = "3f"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\FlashPlayer\SafeVersions
    • 8.0 = "18"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\FlashPlayer\SafeVersions
    • 9.0 = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.mfp
    • Content Type = "application/x-shockwave-flash"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.sol
    • Content Type = "text/plain"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.sor
    • Content Type = "text/plain"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\FlashPlayer
    • CurrentVersion = "9,0,16,0"
  • In HKEY_CLASSES_ROOT
    • .grp = "MSProgramGroup"
  • In HKEY_CLASSES_ROOT
    • MSProgramGroup = "Microsoft Program Group"
  • In HKEY_CLASSES_ROOT
    • MSProgramGroup\Shell\Open\Command = "%System%\grpconv.exe %1"

Step 4

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\Classes\CLSID\{1171A62F-05D2-11D1-83FC-00A0C9089C5A}\InprocServer32
    • From: ThreadingModel = "Apartment"
      To: ThreadingModel = ""Apartment""
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\InprocServer32
    • From: ThreadingModel = "Apartment"
      To: ThreadingModel = ""Apartment""
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{57A0E747-3863-4D20-A811-950C84F1DB9B}\TypeLib
    • From: Version = "1.0"
      To: Version = ""1.0""
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{D27CDB6C-AE6D-11CF-96B8-444553540000}\TypeLib
    • From: Version = "1.0"
      To: Version = ""1.0""
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}\TypeLib
    • From: Version = "1.0"
      To: Version = ""1.0""
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\InprocServer32
    • From: ThreadingModel = "Apartment"
      To: ThreadingModel = ""Apartment""
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.spl
    • From: Content Type = "application/futuresplash"
      To: Content Type = ""application/futuresplash""
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.swf
    • From: Content Type = "application/x-shockwave-flash"
      To: Content Type = ""application/x-shockwave-flash""
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/futuresplash
    • From: Extension = ".spl"
      To: Extension = "".spl""
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/futuresplash
    • From: CLSID = "{D27CDB6E-AE6D-11cf-96B8-444553540000}"
      To: CLSID = ""{D27CDB6E-AE6D-11cf-96B8-444553540000}""
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/x-shockwave-flash
    • From: Extension = ".swf"
      To: Extension = "".swf""
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/x-shockwave-flash
    • From: CLSID = "{D27CDB6E-AE6D-11cf-96B8-444553540000}"
      To: CLSID = ""{D27CDB6E-AE6D-11cf-96B8-444553540000}""
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{57A0E747-3863-4D20-A811-950C84F1DB9B}\TypeLib
    • From: Version = "1.1"
      To: Version = ""1.0""
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\GrpConv
    • From: Log = "Init Application."
      To: Log = ""Uninit Application.""
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\GrpConv
    • From: Log = "bdg: ..."
      To: Log = ""Uninit Application.""
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\GrpConv
    • From: Log = "bdg: Done."
      To: Log = ""Uninit Application.""
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\GrpConv
    • From: Log = "dros: ..."
      To: Log = ""Uninit Application.""
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\GrpConv
    • From: Log = "dros: Renames."
      To: Log = ""Uninit Application.""
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\GrpConv
    • From: Log = "dros: Copies."
      To: Log = ""Uninit Application.""
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\GrpConv
    • From: Log = "dros: Deletes."
      To: Log = ""Uninit Application.""
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\GrpConv
    • From: Log = "dros: Done."
      To: Log = ""Uninit Application.""
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\GrpConv
    • From: Log = "Uninit Application."
      To: Log = ""Uninit Application.""

Step 5

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%\UninstFl.exe
  • %Windows%\Downloaded Program Files\swflash.inf
  • %System%\macromed\flash\swflash.inf
  • %System%\macromed\flash\Flash9.ocx

Step 6

Scan your computer with your Trend Micro product to delete files detected as TROJ_DLOADE.BSM. 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 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.

  • %System%\macromed\flash\flash.ocx
  • %System%\macromed\flash\GetFlash.exe
  • %System%\macromed\flash\GetFlash.exe.manifest

Step 8

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\{D27CDB6E-AE6D-11cf-96B8-444553540000}
    • InprocServer32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\MiscStatus
    • 1
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}
    • MiscStatus
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}
    • ProgID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}
    • ToolboxBitmap32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}
    • Version
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}
    • VersionIndependentProgID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
    • {D27CDB6E-AE6D-11cf-96B8-444553540000}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}
    • InprocServer32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}
    • ProgID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}
    • VersionIndependentProgID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
    • {D27CDB70-AE6D-11cf-96B8-444553540000}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{1171A62F-05D2-11D1-83FC-00A0C9089C5A}
    • InprocServer32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
    • {1171A62F-05D2-11D1-83FC-00A0C9089C5A}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}
    • ToolboxBitmap32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}
    • Version
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FlashFactory.FlashFactory.1
    • CLSID
  • In HKEY_CLASSES_ROOT
    • FlashFactory.FlashFactory.1
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.1
    • CLSID
  • In HKEY_CLASSES_ROOT
    • ShockwaveFlash.ShockwaveFlash.1
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FlashFactory.FlashFactory
    • CLSID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FlashFactory.FlashFactory
    • CurVer
  • In HKEY_CLASSES_ROOT
    • FlashFactory.FlashFactory
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.3
    • CLSID
  • In HKEY_CLASSES_ROOT
    • ShockwaveFlash.ShockwaveFlash.3
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.4
    • CLSID
  • In HKEY_CLASSES_ROOT
    • ShockwaveFlash.ShockwaveFlash.4
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.5
    • CLSID
  • In HKEY_CLASSES_ROOT
    • ShockwaveFlash.ShockwaveFlash.5
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.6
    • CLSID
  • In HKEY_CLASSES_ROOT
    • ShockwaveFlash.ShockwaveFlash.6
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash
    • CLSID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash
    • CurVer
  • In HKEY_CLASSES_ROOT
    • ShockwaveFlash.ShockwaveFlash
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FlashProp.FlashProp.1
    • CLSID
  • In HKEY_CLASSES_ROOT
    • FlashProp.FlashProp.1
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FlashProp.FlashProp
    • CurVer
  • In HKEY_CLASSES_ROOT
    • FlashProp.FlashProp
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{D27CDB6B-AE6D-11CF-96B8-444553540000}\1.0\0
    • win32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{D27CDB6B-AE6D-11CF-96B8-444553540000}\1.0
    • 0
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{D27CDB6B-AE6D-11CF-96B8-444553540000}\1.0
    • FLAGS
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{D27CDB6B-AE6D-11CF-96B8-444553540000}\1.0
    • HELPDIR
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{D27CDB6B-AE6D-11CF-96B8-444553540000}
    • 1.0
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib
    • {D27CDB6B-AE6D-11CF-96B8-444553540000}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{D27CDB6C-AE6D-11CF-96B8-444553540000}
    • ProxyStubClsid
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{D27CDB6C-AE6D-11CF-96B8-444553540000}
    • ProxyStubClsid32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{D27CDB6C-AE6D-11CF-96B8-444553540000}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
    • {D27CDB6C-AE6D-11CF-96B8-444553540000}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}
    • ProxyStubClsid
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}
    • ProxyStubClsid32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
    • {D27CDB6D-AE6D-11CF-96B8-444553540000}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.0\0
    • win32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.0
    • 0
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.0
    • FLAGS
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.0
    • HELPDIR
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}
    • 1.0


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