TROJ_AGENT_032159.TOMB

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.

File Size:

2,390,240 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

29 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:

%Program Files%\Play Pickle
%User Profile%\Application Data\Mozilla
%User Profile%\Mozilla\Extensions
%User Profile%\Extensions\{ec8030f7-c20a-464f-9b0e-13a3a9e97384}
%User Profile%\{ec8030f7-c20a-464f-9b0e-13a3a9e97384}\textlinks@plpickle.com
%User Profile%\textlinks@plpickle.com\components
%User Profile%\textlinks@plpickle.com\chrome
%System Root%\DOCUME~1
%System Root%\DOCUME~1\ADMINI~1
%User Profile%\LOCALS~1
%User Temp%\nsa2.tmp
%Program Files%\Dogpile Bundle Toolbar

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
Play Pickle = "%Program Files%\Play Pickle\playpickle32.exe a"

It registers itself as a BHO to ensure its automatic execution every time Internet Explorer is used by adding the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{AEB04B5E-C981-47a9-B847-33EE4C92F6B9}

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{02F0243C-2E71-4a1a-A790-6C30888119D0}

Other System Modifications

This Trojan deletes the following files:

%Application Data%\IconCache.db
%User Temp%\nsa1.tmp
%User Temp%\nsa2.tmp

(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.)

It adds the following registry keys:

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
Play Pickle

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

HKEY_CLASSES_ROOT\CLSID\{AEB04B5E-C981-47a9-B847-33EE4C92F6B9}

HKEY_CLASSES_ROOT\CLSID\{AEB04B5E-C981-47a9-B847-33EE4C92F6B9}\
InprocServer32

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
Google Chrome

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
Google Chrome

HKEY_CURRENT_USER\Software\AppDataLow\
pptl

HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\
System\BIOS

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Ext\
Settings\{AEB04B5E-C981-47a9-B847-33EE4C92F6B9}

HKEY_CLASSES_ROOT\AppID\PlayPickleText.DLL

HKEY_CLASSES_ROOT\PlayPickleText.Linker.1

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
PlayPickleText.Linker.1\CLSID

HKEY_CLASSES_ROOT\PlayPickleText.Linker

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
PlayPickleText.Linker\CLSID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
PlayPickleText.Linker\CurVer

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{02F0243C-2E71-4a1a-A790-6C30888119D0}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{02F0243C-2E71-4a1a-A790-6C30888119D0}\ProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{02F0243C-2E71-4a1a-A790-6C30888119D0}\VersionIndependentProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{02F0243C-2E71-4a1a-A790-6C30888119D0}\Programmable

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{02F0243C-2E71-4a1a-A790-6C30888119D0}\InprocServer32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{02F0243C-2E71-4a1a-A790-6C30888119D0}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\FCTB000060231

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Play Pickle
DisplayName = "Play Pickle"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Play Pickle
UninstallString = "%Program Files%\Play Pickle\ppun.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Play Pickle
DisplayIcon = "%Program Files%\Play Pickle\ppun.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{AEB04B5E-C981-47a9-B847-33EE4C92F6B9}
NoExplorer = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{AEB04B5E-C981-47a9-B847-33EE4C92F6B9}\InprocServer32
ThreadingModel = "Apartment"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AppID\PlayPickleText.DLL
AppID = "{02F0243C-2E71-4a1a-A790-6C30888119D0}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{02F0243C-2E71-4a1a-A790-6C30888119D0}\InprocServer32
ThreadingModel = "Apartment"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{02F0243C-2E71-4a1a-A790-6C30888119D0}
NoExplorer = "1"

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Main
Enable Browser Extensions = "yes"

HKEY_LOCAL_MACHINE\SOFTWARE\FCTB000060231
FirstLaunch = "0"

HKEY_CURRENT_USER\Software\AppDataLow\
pptl
uid = "a29fced2-5462-41f1-bc6a-556a0bf2a2a9-XX"

HKEY_CURRENT_USER\Software\AppDataLow\
pptl
cid = "0"

Dropping Routine

This Trojan drops the following files:

%Program Files%\Play Pickle\playpicklelib32.dll
%Program Files%\Play Pickle\playpickle32.exe
%Program Files%\Play Pickle\ppun.exe
%Program Files%\Play Pickle\ars.cfg
%Program Files%\Play Pickle\pptl.dll
%Program Files%\Play Pickle\ppff.tmp
%User Profile%\textlinks@plpickle.com\chrome.manifest
%User Profile%\textlinks@plpickle.com\install.rdf
%User Profile%\components\pptlf.dll
%User Profile%\components\pptlf.xpt
%User Profile%\chrome\pptextlinks.jar
%User Temp%\dplinst.exe
%User Temp%\nsa2.tmp\UserInfo.dll
%User Temp%\nsa2.tmp\options.ini
%User Temp%\nsa2.tmp\gplunger.dll
%User Temp%\nsa2.tmp\nsisFirewall.dll
%User Temp%\nsa2.tmp\InetLoad.dll
%User Temp%\nsa2.tmp\frtb_static_files.cab

Other Details

This Trojan connects to the following possibly malicious URL:

http://pages.{BLOCKED}le.com/aj/inst.php?{random characters}
http://dl.{BLOCKED}{BLOCKED}.facdn.com/{BLOCKED}{BLOCKED}/download/dogpiletoolbar/Dogpile_Toolbar.exe
http://pages.{BLOCKED}le.com/aj/bund.php?{random characters}
http://s31.{BLOCKED}use.com/frtb_static_files.cab
http://s31.{BLOCKED}use.com/ctg?{random characters}

This report is generated via an automated analysis system.

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

Close all opened browser windows

Step 4

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\Microsoft\Windows\CurrentVersion\Uninstall
- Play Pickle

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

In HKEY_CLASSES_ROOT\CLSID
- {AEB04B5E-C981-47a9-B847-33EE4C92F6B9}

In HKEY_CLASSES_ROOT\CLSID\{AEB04B5E-C981-47a9-B847-33EE4C92F6B9}
- InprocServer32

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall
- Google Chrome

In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
- Google Chrome

In HKEY_CURRENT_USER\Software\AppDataLow
- pptl

In HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System
- BIOS

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Settings
- {AEB04B5E-C981-47a9-B847-33EE4C92F6B9}

In HKEY_CLASSES_ROOT\AppID
- PlayPickleText.DLL

In HKEY_CLASSES_ROOT
- PlayPickleText.Linker.1

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\PlayPickleText.Linker.1
- CLSID

In HKEY_CLASSES_ROOT
- PlayPickleText.Linker

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\PlayPickleText.Linker
- CLSID

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\PlayPickleText.Linker
- CurVer

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
- {02F0243C-2E71-4a1a-A790-6C30888119D0}

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{02F0243C-2E71-4a1a-A790-6C30888119D0}
- ProgID

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{02F0243C-2E71-4a1a-A790-6C30888119D0}
- VersionIndependentProgID

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{02F0243C-2E71-4a1a-A790-6C30888119D0}
- Programmable

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{02F0243C-2E71-4a1a-A790-6C30888119D0}
- InprocServer32

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{02F0243C-2E71-4a1a-A790-6C30888119D0}
- TypeLib

In HKEY_LOCAL_MACHINE\SOFTWARE
- FCTB000060231

To delete the registry key this malware/grayware created:

Open Registry Editor. Click Start>Run, type REGEDIT, then press Enter.
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>Software>Microsoft>Windows>CurrentVersion>Uninstall
Still in the left panel, locate and delete the key:
Play Pickle
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Explorer
Still in the left panel, locate and delete the key:
Browser Helper Objects
In the left panel, double-click the following:
HKEY_CLASSES_ROOT>CLSID
Still in the left panel, locate and delete the key:
{AEB04B5E-C981-47a9-B847-33EE4C92F6B9}
In the left panel, double-click the following:
HKEY_CLASSES_ROOT>CLSID>{AEB04B5E-C981-47a9-B847-33EE4C92F6B9}
Still in the left panel, locate and delete the key:
InprocServer32
In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Uninstall
Still in the left panel, locate and delete the key:
Google Chrome
Again Still in the left panel, locate and delete the key:
Google Chrome
In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>AppDataLow
Still in the left panel, locate and delete the key:
pptl
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>HARDWARE>DESCRIPTION>System
Still in the left panel, locate and delete the key:
BIOS
In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Ext>Settings
Still in the left panel, locate and delete the key:
{AEB04B5E-C981-47a9-B847-33EE4C92F6B9}
In the left panel, double-click the following:
HKEY_CLASSES_ROOT>AppID
Still in the left panel, locate and delete the key:
PlayPickleText.DLL
In the left panel, double-click the following:
HKEY_CLASSES_ROOT
Still in the left panel, locate and delete the key:
PlayPickleText.Linker.1
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>PlayPickleText.Linker.1
Still in the left panel, locate and delete the key:
CLSID
Again Still in the left panel, locate and delete the key:
PlayPickleText.Linker
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>PlayPickleText.Linker
Still in the left panel, locate and delete the key:
CLSID
Again Still in the left panel, locate and delete the key:
CurVer
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>CLSID
Still in the left panel, locate and delete the key:
{02F0243C-2E71-4a1a-A790-6C30888119D0}
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>CLSID>{02F0243C-2E71-4a1a-A790-6C30888119D0}
Still in the left panel, locate and delete the key:
ProgID
Again Still in the left panel, locate and delete the key:
VersionIndependentProgID
Again Still in the left panel, locate and delete the key:
Programmable
Again Still in the left panel, locate and delete the key:
InprocServer32
Again Still in the left panel, locate and delete the key:
TypeLib
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE
Still in the left panel, locate and delete the key:
FCTB000060231
Close Registry Editor.

Step 5

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
- Play Pickle = "%Program Files%\Play Pickle\playpickle32.exe a"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Play Pickle
- DisplayName = "Play Pickle"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Play Pickle
- UninstallString = "%Program Files%\Play Pickle\ppun.exe"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Play Pickle
- DisplayIcon = "%Program Files%\Play Pickle\ppun.exe"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{AEB04B5E-C981-47a9-B847-33EE4C92F6B9}
- NoExplorer = "1"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{AEB04B5E-C981-47a9-B847-33EE4C92F6B9}\InprocServer32
- ThreadingModel = "Apartment"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\PlayPickleText.DLL
- AppID = "{02F0243C-2E71-4a1a-A790-6C30888119D0}"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{02F0243C-2E71-4a1a-A790-6C30888119D0}\InprocServer32
- ThreadingModel = "Apartment"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{02F0243C-2E71-4a1a-A790-6C30888119D0}
- NoExplorer = "1"

In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
- Enable Browser Extensions = "yes"

In HKEY_LOCAL_MACHINE\SOFTWARE\FCTB000060231
- FirstLaunch = "0"

In HKEY_CURRENT_USER\Software\AppDataLow\pptl
- uid = "a29fced2-5462-41f1-bc6a-556a0bf2a2a9-XX"

In HKEY_CURRENT_USER\Software\AppDataLow\pptl
- cid = "0"

To delete the registry value this malware/grayware created:

Open Registry Editor. Click Start>Run, type REGEDIT, then press Enter.
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Run
In the right panel, locate and delete the entry:
Play Pickle = "%Program Files%\Play Pickle\playpickle32.exe a"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Uninstall>Play Pickle
In the right panel, locate and delete the entry:
DisplayName = "Play Pickle"
Again In the right panel, locate and delete the entry:
UninstallString = "%Program Files%\Play Pickle\ppun.exe"
Again In the right panel, locate and delete the entry:
DisplayIcon = "%Program Files%\Play Pickle\ppun.exe"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Explorer>Browser Helper Objects>{AEB04B5E-C981-47a9-B847-33EE4C92F6B9}
In the right panel, locate and delete the entry:
NoExplorer = "1"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>CLSID>{AEB04B5E-C981-47a9-B847-33EE4C92F6B9}>InprocServer32
In the right panel, locate and delete the entry:
ThreadingModel = "Apartment"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>AppID>PlayPickleText.DLL
In the right panel, locate and delete the entry:
AppID = "{02F0243C-2E71-4a1a-A790-6C30888119D0}"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>CLSID>{02F0243C-2E71-4a1a-A790-6C30888119D0}>InprocServer32
In the right panel, locate and delete the entry:
ThreadingModel = "Apartment"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Explorer>Browser Helper Objects>{02F0243C-2E71-4a1a-A790-6C30888119D0}
In the right panel, locate and delete the entry:
NoExplorer = "1"
In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>Microsoft>Internet Explorer>Main
In the right panel, locate and delete the entry:
Enable Browser Extensions = "yes"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>FCTB000060231
In the right panel, locate and delete the entry:
FirstLaunch = "0"
In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>AppDataLow>pptl
In the right panel, locate and delete the entry:
uid = "a29fced2-5462-41f1-bc6a-556a0bf2a2a9-XX"
Again In the right panel, locate and delete the entry:
cid = "0"
Close Registry Editor.

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.

%Program Files%\Play Pickle\playpicklelib32.dll
%Program Files%\Play Pickle\playpickle32.exe
%Program Files%\Play Pickle\ppun.exe
%Program Files%\Play Pickle\ars.cfg
%Program Files%\Play Pickle\pptl.dll
%Program Files%\Play Pickle\ppff.tmp
%User Profile%\textlinks@plpickle.com\chrome.manifest
%User Profile%\textlinks@plpickle.com\install.rdf
%User Profile%\components\pptlf.dll
%User Profile%\components\pptlf.xpt
%User Profile%\chrome\pptextlinks.jar
%User Temp%\dplinst.exe
%User Temp%\nsa2.tmp\UserInfo.dll
%User Temp%\nsa2.tmp\options.ini
%User Temp%\nsa2.tmp\gplunger.dll
%User Temp%\nsa2.tmp\nsisFirewall.dll
%User Temp%\nsa2.tmp\InetLoad.dll
%User Temp%\nsa2.tmp\frtb_static_files.cab

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.

%Program Files%\Play Pickle
%User Profile%\Application Data\Mozilla
%User Profile%\Mozilla\Extensions
%User Profile%\Extensions\{ec8030f7-c20a-464f-9b0e-13a3a9e97384}
%User Profile%\{ec8030f7-c20a-464f-9b0e-13a3a9e97384}\textlinks@plpickle.com
%User Profile%\textlinks@plpickle.com\components
%User Profile%\textlinks@plpickle.com\chrome
%System Root%\DOCUME~1
%System Root%\DOCUME~1\ADMINI~1
%User Profile%\LOCALS~1
%User Temp%\nsa2.tmp
%Program Files%\Dogpile Bundle Toolbar

Step 8

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_AGENT_032159.TOMB. 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.

%Application Data%\IconCache.db
%User Temp%\nsa1.tmp
%User Temp%\nsa2.tmp

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OVERVIEW

TECHNICAL DETAILS

SOLUTION

參考資源

技術支援

關於趨勢

TROJ_AGENT_032159.TOMB

OVERVIEW

TECHNICAL DETAILS

SOLUTION

參考資源

技術支援

關於趨勢

美洲 (The Americas)

中東與非洲 (Middle East & Africa)

歐洲

亞太地區 (Asia Pacific)