Analysis by: Arvin Roi Macaraeg
ALIASES:

Downloader.Win32.OpenCandy.ar(KASPERSKY)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Adware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Adware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It may be manually installed by a user.

  TECHNICAL DETAILS

File Size: 4,770,043 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 28 Dec 2010

Arrival Details

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

It may be manually installed by a user.

Installation

This Adware adds the following folders:

  • %Program Files%\CDBurnerXP
  • %User Temp%\is-{random}.tmp

(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), 7 (32-bit), and 8 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), 7 (64-bit), and 8 (64-bit).. %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, 7, and 8.)

It drops the following files:

  • %User Temp%\is-{random}.tmp\{Malware Name}.tmp
  • %User Temp%\is-{random}.tmp\_isetup\_shfoldr.dll
  • %User Temp%\is-{random}.tmp\OCSetupHlp.dll
  • %Program Files%\CDBurnerXP\unins000.dat
  • %Program Files%\CDBurnerXP\is-{random}.tmp
  • %System%\drivers\is-{random}.tmp
  • %Program Files%\CDBurnerXP\ar-JO\is-{random}.tmp
  • %Program Files%\CDBurnerXP\bg-BG\is-{random}.tmp
  • %Program Files%\CDBurnerXP\ca\is-{random}.tmp
  • %Program Files%\CDBurnerXP\cs-CZ\is-{random}.tmp
  • %Program Files%\CDBurnerXP\de-DE\is-{random}.tmp
  • %Program Files%\CDBurnerXP\et-EE\is-{random}.tmp
  • %Program Files%\CDBurnerXP\el-GR\is-{random}.tmp
  • %Program Files%\CDBurnerXP\es-ES\is-{random}.tmp
  • %Program Files%\CDBurnerXP\es-MX\is-{random}.tmp
  • %Program Files%\CDBurnerXP\da-DK\is-{random}.tmp
  • %Program Files%\CDBurnerXP\fi-FI\is-{random}.tmp
  • %Program Files%\CDBurnerXP\fr-FR\is-{random}.tmp
  • %Program Files%\CDBurnerXP\he-IL\is-{random}.tmp
  • %Program Files%\CDBurnerXP\hr-HR\is-{random}.tmp
  • %Program Files%\CDBurnerXP\hu-HU\is-{random}.tmp
  • %Program Files%\CDBurnerXP\id-ID\is-{random}.tmp
  • %Program Files%\CDBurnerXP\it-IT\is-{random}.tmp
  • %Program Files%\CDBurnerXP\ja-JP\is-{random}.tmp
  • %Program Files%\CDBurnerXP\ko-KR\is-{random}.tmp
  • %Program Files%\CDBurnerXP\kk-KZ\is-{random}.tmp
  • %Program Files%\CDBurnerXP\lv-LV\is-{random}.tmp
  • %Program Files%\CDBurnerXP\lt-LT\is-{random}.tmp
  • %Program Files%\CDBurnerXP\nl-NL\is-{random}.tmp
  • %Program Files%\CDBurnerXP\nb-NO\is-{random}.tmp
  • %Program Files%\CDBurnerXP\pl-PL\is-{random}.tmp
  • %Program Files%\CDBurnerXP\pt-BR\is-{random}.tmp
  • %Program Files%\CDBurnerXP\pt-PT\is-{random}.tmp
  • %Program Files%\CDBurnerXP\ro-RO\is-{random}.tmp
  • %Program Files%\CDBurnerXP\ru-RU\is-{random}.tmp
  • %Program Files%\CDBurnerXP\sk-SK\is-{random}.tmp
  • %Program Files%\CDBurnerXP\sl-SI\is-{random}.tmp
  • %Program Files%\CDBurnerXP\sv-SE\is-{random}.tmp
  • %Program Files%\CDBurnerXP\tr-TR\is-{random}.tmp
  • %Program Files%\CDBurnerXP\uk-UA\is-{random}.tmp
  • %Program Files%\CDBurnerXP\zh-CHS\is-{random}.tmp
  • %Program Files%\CDBurnerXP\zh-CHT\is-{random}.tmp
  • %Program Files%\CDBurnerXP\is-{random}.tmp
  • %Program Files%\CDBurnerXP\Resources\is-{random}.tmp
  • %ProgramData%\Microsoft\Windows\Start Menu\Programs\CDBurnerXP.lnk
  • %System Root%\Users\Public\Desktop\CDBurnerXP.lnk
  • %Program Files%\CDBurnerXP\unins000.dat
  • %Program Files%\CDBurnerXP\unins000.exe
  • %Program Files%\CDBurnerXP\bass.dll
  • %Program Files%\CDBurnerXP\basswma.dll
  • %Program Files%\CDBurnerXP\bassmix.dll
  • %Program Files%\CDBurnerXP\bassflac.dll
  • %Program Files%\CDBurnerXP\basscd.dll
  • %Program Files%\CDBurnerXP\bass_ape.dll
  • %Program Files%\CDBurnerXP\bass_mpc.dll
  • %Program Files%\CDBurnerXP\basswv.dll
  • %Program Files%\CDBurnerXP\Bass.Net.dll
  • %Program Files%\CDBurnerXP\LogicNP.FileView.dll
  • %Program Files%\CDBurnerXP\LogicNP.FolderView.dll
  • %Program Files%\CDBurnerXP\LogicNP.ShComboBox.dll
  • %Program Files%\CDBurnerXP\NMSDVDXU.dll
  • %Program Files%\CDBurnerXP\NMSAccessU.exe
  • %Program Files%\CDBurnerXP\Interop.NMSDVDXLib.dll
  • %Program Files%\CDBurnerXP\StarBurnX12.dll
  • %Program Files%\CDBurnerXP\StarBurn.dll
  • %Program Files%\CDBurnerXP\vorbis.dll
  • %Program Files%\CDBurnerXP\vorbisfile.dll
  • %Program Files%\CDBurnerXP\ogg.dll
  • %Program Files%\CDBurnerXP\Interop.RocketDivision.StarBurnX.dll
  • %System%\drivers\StarOpen.sys
  • %Program Files%\CDBurnerXP\CsLib.dll
  • %Program Files%\CDBurnerXP\cdbxpp.exe.manifest
  • %Program Files%\CDBurnerXP\cdbxpp.exe.config
  • %Program Files%\CDBurnerXP\Native.CDBXP.manifest
  • %Program Files%\CDBurnerXP\Native.CsLib.manifest
  • %Program Files%\CDBurnerXP\updater.exe
  • %Program Files%\CDBurnerXP\cdbxpcmd.exe
  • %Program Files%\CDBurnerXP\cdbxpcmd.exe.manifest
  • %Program Files%\CDBurnerXP\cdbxpcmd.exe.config
  • %Program Files%\CDBurnerXP\cdbxpp.exe
  • %Program Files%\CDBurnerXP\CDBXP.dll
  • %Program Files%\CDBurnerXP\ar-JO\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\bg-BG\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\ca\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\cs-CZ\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\de-DE\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\et-EE\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\el-GR\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\es-ES\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\es-MX\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\da-DK\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\fi-FI\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\fr-FR\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\he-IL\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\hr-HR\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\hu-HU\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\id-ID\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\it-IT\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\ja-JP\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\ko-KR\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\kk-KZ\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\lv-LV\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\lt-LT\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\nl-NL\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\nb-NO\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\pl-PL\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\pt-BR\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\pt-PT\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\ro-RO\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\ru-RU\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\sk-SK\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\sl-SI\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\sv-SE\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\tr-TR\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\uk-UA\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\zh-CHS\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\zh-CHT\cdbxpp.resources.dll
  • %Program Files%\CDBurnerXP\data.ico
  • %Program Files%\CDBurnerXP\audio.ico
  • %Program Files%\CDBurnerXP\iso.ico
  • %Program Files%\CDBurnerXP\Resources\audio_cover.jpg
  • %Program Files%\CDBurnerXP\Resources\data_cover.jpg

(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, 7, and 8.. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), 7 (32-bit), and 8 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), 7 (64-bit), and 8 (64-bit).. %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.. %ProgramData% is a version of the Program Files folder where any user on a multi-user computer can make changes to programs. This contains application data for all users. This is usually C:\ProgramData in Windows Vista, 7, and 8.. %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)

Other System Modifications

This Adware adds the following registry keys:

HKEY_CURRENT_USER\Software\CDBurnerXP

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CDBurnerXPOpen

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
AutoplayHandlers\Handlers\CDBurnerXP

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.dxp

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.axp

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
dxp-file

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
axp-file

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\NMSAccess

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\NMSAccessU

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\StarOpen

It adds the following registry entries:

HKEY_CURRENT_USER\Software\CDBurnerXP
AppPath = "%Program Files%\CDBurnerXP"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CDBurnerXPOpen
{default} = "CDBurnerXP (ISO)"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CDBurnerXPOpen\DefaultIcon
{default} = "%Program Files%\CDBurnerXP\data.ico

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CDBurnerXPOpen\shell\open\
command
{default} = "%Program Files%\CDBurnerXP\cdbxpp.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
AutoplayHandlers\EventHandlers\HandleBluRayBurningOnArrival
CDBurnerXP = ""

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
AutoplayHandlers\EventHandlers\HandleHDDVDBurningOnArrival
CDBurnerXP = ""

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
AutoplayHandlers\EventHandlers\HandleDVDBurningOnArrival
CDBurnerXP = ""

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
AutoplayHandlers\EventHandlers\HandleCDBurningOnArrival
CDBurnerXP = ""

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
AutoplayHandlers\Handlers\CDBurnerXP
Action = "Burn a disc"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
AutoplayHandlers\Handlers\CDBurnerXP
DefaultIcon = "%Program Files%\CDBurnerXP\cdbxpp.exe",0

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
AutoplayHandlers\Handlers\CDBurnerXP
InvokeProgID = "CDBurnerXPOpen"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
AutoplayHandlers\Handlers\CDBurnerXP
InvokeVerb = "open"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
AutoplayHandlers\Handlers\CDBurnerXP
Provider = "CDBurnerXP"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.dxp
{default} = "dxp-file"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
dxp-file
{default} = "CDBurnerXP Data Compilation"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
dxp-file\Shell\Open\
Command
{default} = ""%Program Files%\CDBurnerXP\cdbxpp.exe" /od "%1""

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
dxp-file\DefaultIcon
{default} = "%Program Files%\CDBurnerXP\data.ico"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.axp
{default} = "axp-file"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
axp-file
{default} = "CDBurnerXP Audio Compilation"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
axp-file\Shell\Open\
Command
{default} = ""%Program Files%\CDBurnerXP\cdbxpp.exe" /oa "%1""

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
axp-file\DefaultIcon
{default} = "%Program Files%\CDBurnerXP\audio.ico"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon
allocatecdroms = "0"

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\NMSAccess
Description = "Allows Non-Admins to use the CDBurnerXP Application"

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\NMSAccess
DisplayName = "NMSAccess"

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\NMSAccess
ImagePath = "%Program Files%\CDBurnerXP\NMSAccessU.exe"

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\NMSAccessU
Description = "Allows Non-Admins to use the CDBurnerXP Application"

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\StarOpen
Group = "Extended Base"

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\StarOpen
ErrorControl = "1"

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\StarOpen
Start = "3"

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\StarOpen
Type = "2"

Other Details

This Adware connects to the following possibly malicious URL:

  • http://{BLOCKED}e.{BLOCKED}erxp.se/

  SOLUTION

Minimum Scan Engine: 9.850
SSAPI PATTERN File: 2.113.00
SSAPI PATTERN Date: 25 Oct 2018

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

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

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_CURRENT_USER\Software
    • CDBurnerXP
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes
    • CDBurnerXPOpen
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\AutoplayHandlers\Handlers
    • CDBurnerXP
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes
    • .dxp
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes
    • .axp
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes
    • dxp-file
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes
    • axp-file
  • In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services
    • NMSAccess
  • In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services
    • NMSAccessU
  • In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services
    • StarOpen

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\Explorer\AutoplayHandlers\EventHandlers\HandleBluRayBurningOnArrival
    • CDBurnerXP = ""
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\AutoplayHandlers\EventHandlers\HandleHDDVDBurningOnArrival
    • CDBurnerXP = ""
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\AutoplayHandlers\EventHandlers\HandleDVDBurningOnArrival
    • CDBurnerXP = ""
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\AutoplayHandlers\EventHandlers\HandleCDBurningOnArrival
    • CDBurnerXP = ""
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
    • allocatecdroms = "0"

Step 5

Search and delete this folder

[ 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%\CDBurnerXP
  • %User Temp%\is-{random}.tmp

Step 6

Search and delete these files

[ Learn More ]
There may be some 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.
  • %System%\drivers\is-{random}.tmp
  • %ProgramData%\Microsoft\Windows\Start Menu\Programs\CDBurnerXP.lnk
  • %System Root%\Users\Public\Desktop\CDBurnerXP.lnk
  • %System%\drivers\StarOpen.sys

Step 7

Scan your computer with your Trend Micro product to delete files detected as ADWARE.WIN32.OPENCANDY.GA. 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 the following Trend Micro Support pages for more information:


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