TROJ_AGENT_030971.TOMB

October 13, 2012

ALIASES:

Adware:Win32/ArcadeWeb (Microsoft); GameVance.gen.n. (McAfee); PlaySushi.com (v) (Sunbelt); Trojan.Generic.5930232 (FSecure)

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: 1,446,280 bytes

File Type: EXE

Memory Resident: No

Initial Samples Received Date: 25 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%\PlaySushi
%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@playsushi.com
%User Profile%\textlinks@playsushi.com\components
%User Profile%\textlinks@playsushi.com\chrome
%System Root%\DOCUME~1
%System Root%\DOCUME~1\ADMINI~1
%User Profile%\LOCALS~1
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}
%User Temp%\{86D4B82A-ABED-442A-BE86-96357B70F4FE}

Autostart Technique

This Trojan 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\{21608B66-026F-4DCB-9244-0DACA328DCED}

Other System Modifications

This Trojan deletes the following files:

%User Temp%\_is10.tmp
%User Temp%\_is10..dll

(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 deletes the following folders:

%User Profile%\My Documents\My Pictures
%Start Menu%\Programs\Administrative Tools

(Note: %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.. %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.)

It adds the following registry keys:

HKEY_CURRENT_USER\Software\AppDataLow\
PlaySushi

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
Playsushi

HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\
System\BIOS

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

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

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AppID\{E89A07B5-BD7A-43F9-BDA4-0DAA48AC4FA5}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AppID\PSText.DLL

HKEY_CLASSES_ROOT\PSText.IEButton.1

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
PSText.IEButton.1\CLSID

HKEY_CLASSES_ROOT\PSText.IEButton

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
PSText.IEButton\CLSID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
PSText.IEButton\CurVer

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\ProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\VersionIndependentProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\Programmable

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\InprocServer32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\TypeLib

HKEY_CLASSES_ROOT\PlaySushi32.PlaySushi.1

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
PlaySushi32.PlaySushi.1\CLSID

HKEY_CLASSES_ROOT\PlaySushi32.PlaySushi

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
PlaySushi32.PlaySushi\CLSID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
PlaySushi32.PlaySushi\CurVer

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\ProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\VersionIndependentProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\Programmable

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\InprocServer32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\TypeLib

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

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0\
FLAGS

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0\
0

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0\
0\win32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0\
HELPDIR

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\TypeLib

HKEY_CURRENT_USER\Software\Microsoft\
Windows Script\Settings

It adds the following registry entries:

HKEY_CURRENT_USER\Software\AppDataLow\
PlaySushi
autoupd = "1"

HKEY_CURRENT_USER\Software\AppDataLow\
PlaySushi
snoozetime = "{random values}"

HKEY_CURRENT_USER\Software\AppDataLow\
PlaySushi
updatcncl = "0"

HKEY_CURRENT_USER\Software\AppDataLow\
PlaySushi
updtcnt = "0"

HKEY_CURRENT_USER\Software\AppDataLow\
PlaySushi
updtfailed = "0"

HKEY_CURRENT_USER\Software\AppDataLow\
PlaySushi
uid = "437fd8ba-961e-4714-b279-d93942fd0879"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Playsushi
DisplayName = "PlaySushi"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Playsushi
DisplayIcon = "%Program Files%\PlaySushi\psuninst.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Playsushi
Publisher = "www.playsushi.com"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Playsushi
NoRepair = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Playsushi
NoModify = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Playsushi
UninstallString = "%Program Files%\PlaySushi\psuninst.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Playsushi
RecordedProfilePath = "S-1-5-21-4025279379-4087772427-2915903831-500"

HKEY_CURRENT_USER\Software\AppDataLow\
PlaySushi
locid = "49"

HKEY_CURRENT_USER\Software\AppDataLow\
PlaySushi
ticket = "ITABL2ayVI1FwmAtAOpA"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AppID\PSText.DLL
AppID = "{E89A07B5-BD7A-43F9-BDA4-0DAA48AC4FA5}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\InprocServer32
ThreadingModel = "Apartment"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\InprocServer32
ThreadingModel = "Apartment"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{21608B66-026F-4DCB-9244-0DACA328DCED}
NoExplorer = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\TypeLib
Version = "1.0"

HKEY_CURRENT_USER\Software\Microsoft\
Windows Script\Settings
JITDebug = "0"

It deletes the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer\Extensions\{5CFA5B80-01F4-420F-B18B-545712C8A1C8}

Dropping Routine

This Trojan drops the following files:

%Program Files%\PlaySushi\PSText.dll
%Program Files%\PlaySushi\psuninst.exe
%Program Files%\PlaySushi\icon.ico
%Program Files%\PlaySushi\psff.tmp
%User Profile%\textlinks@playsushi.com\chrome.manifest
%User Profile%\textlinks@playsushi.com\install.rdf
%User Profile%\components\PlaySushiFF.dll
%User Profile%\components\PlaySushiFF.xpt
%User Profile%\chrome\pstextlinks.jar
%User Temp%\bundle_ask.exe
%User Temp%\install_log.log
%User Temp%\NEW1.tmp.exe
%User Temp%\_MSI5166._IS
%User Temp%\_is2.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\Setup.INI
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\_ISMSIDEL.INI
%User Temp%\_is3.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x0407.ini
%User Temp%\_is4.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x0409.ini
%User Temp%\_is5.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x040a.ini
%User Temp%\_is6.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x040c.ini
%User Temp%\_is7.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x0410.ini
%User Temp%\_is8.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x0413.ini
%User Temp%\_is9.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x0415.ini
%User Temp%\_isA.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x0419.ini
%User Temp%\_isB.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x0816.ini
%User Temp%\_isD.tmp
%User Temp%\~C.tmp
%User Temp%\_isE.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\1033.MST
%User Temp%\_isF.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\Windows Installer 3.0 for Windows XP and later (x86).prq
%User Temp%\_is11.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\Ask Toolbar.msi
%User Temp%\ASKSUTBLOG
%Windows%\Installer\1265f.msi
%Windows%\Installer\12660.mst

Other Details

This Trojan connects to the following possibly malicious URL:

http://www.{BLOCKED}shi.com/aj/inst.php?{random characters}
http://web1.{BLOCKED}n.com/download/asktoolbar/ask1910.exe
http://www.{BLOCKED}shi.com/aj/bund.php?{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

Close all opened browser windows

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\AppDataLow
- PlaySushi

In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
- Playsushi

In HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System
- BIOS

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

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

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID
- {E89A07B5-BD7A-43F9-BDA4-0DAA48AC4FA5}

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID
- PSText.DLL

In HKEY_CLASSES_ROOT
- PSText.IEButton.1

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\PSText.IEButton.1
- CLSID

In HKEY_CLASSES_ROOT
- PSText.IEButton

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\PSText.IEButton
- CLSID

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\PSText.IEButton
- CurVer

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
- {EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}
- ProgID

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}
- VersionIndependentProgID

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}
- Programmable

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}
- InprocServer32

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}
- TypeLib

In HKEY_CLASSES_ROOT
- PlaySushi32.PlaySushi.1

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\PlaySushi32.PlaySushi.1
- CLSID

In HKEY_CLASSES_ROOT
- PlaySushi32.PlaySushi

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\PlaySushi32.PlaySushi
- CLSID

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\PlaySushi32.PlaySushi
- CurVer

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
- {21608B66-026F-4DCB-9244-0DACA328DCED}

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}
- ProgID

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}
- VersionIndependentProgID

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}
- Programmable

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}
- InprocServer32

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}
- TypeLib

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

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib
- {975BBCC0-19DF-47C2-9AE2-D78EEFA96821}

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}
- 1.0

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0
- FLAGS

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0
- 0

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0\0
- win32

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0
- HELPDIR

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
- {F165085B-6B85-4AD5-AD00-95552A823F6D}

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}
- ProxyStubClsid

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}
- ProxyStubClsid32

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}
- TypeLib

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
- {5272CCD4-4199-4B04-BF68-B28A0DCF0151}

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}
- ProxyStubClsid

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}
- ProxyStubClsid32

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}
- TypeLib

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
- {45A8F904-D9CA-439B-9CBB-11097B45D9E1}

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}
- ProxyStubClsid

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}
- ProxyStubClsid32

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}
- TypeLib

In HKEY_CURRENT_USER\Software\Microsoft\Windows Script
- Settings

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_CURRENT_USER>Software>AppDataLow
Still in the left panel, locate and delete the key:
PlaySushi
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:
Playsushi
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>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_LOCAL_MACHINE>SOFTWARE>Classes>AppID
Still in the left panel, locate and delete the key:
{E89A07B5-BD7A-43F9-BDA4-0DAA48AC4FA5}
Again Still in the left panel, locate and delete the key:
PSText.DLL
In the left panel, double-click the following:
HKEY_CLASSES_ROOT
Still in the left panel, locate and delete the key:
PSText.IEButton.1
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>PSText.IEButton.1
Still in the left panel, locate and delete the key:
CLSID
Again Still in the left panel, locate and delete the key:
PSText.IEButton
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>PSText.IEButton
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:
{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>CLSID>{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}
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
Again Still in the left panel, locate and delete the key:
PlaySushi32.PlaySushi.1
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>PlaySushi32.PlaySushi.1
Still in the left panel, locate and delete the key:
CLSID
Again Still in the left panel, locate and delete the key:
PlaySushi32.PlaySushi
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>PlaySushi32.PlaySushi
Still in the left panel, locate and delete the key:
CLSID
Again Still in the left panel, locate and delete the key:
CurVer
Again Still in the left panel, locate and delete the key:
{21608B66-026F-4DCB-9244-0DACA328DCED}
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>CLSID>{21608B66-026F-4DCB-9244-0DACA328DCED}
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>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_LOCAL_MACHINE>SOFTWARE>Classes>TypeLib
Still in the left panel, locate and delete the key:
{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>TypeLib>{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}
Still in the left panel, locate and delete the key:
1.0
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>TypeLib>{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}>1.0
Still in the left panel, locate and delete the key:
FLAGS
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>TypeLib>{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}>1.0>0
Still in the left panel, locate and delete the key:
win32
Again Still in the left panel, locate and delete the key:
HELPDIR
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface
Still in the left panel, locate and delete the key:
{F165085B-6B85-4AD5-AD00-95552A823F6D}
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface>{F165085B-6B85-4AD5-AD00-95552A823F6D}
Still in the left panel, locate and delete the key:
ProxyStubClsid
Again Still in the left panel, locate and delete the key:
ProxyStubClsid32
Again Still in the left panel, locate and delete the key:
TypeLib
Again Still in the left panel, locate and delete the key:
{5272CCD4-4199-4B04-BF68-B28A0DCF0151}
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface>{5272CCD4-4199-4B04-BF68-B28A0DCF0151}
Still in the left panel, locate and delete the key:
ProxyStubClsid
Again Still in the left panel, locate and delete the key:
ProxyStubClsid32
Again Still in the left panel, locate and delete the key:
TypeLib
Again Still in the left panel, locate and delete the key:
{45A8F904-D9CA-439B-9CBB-11097B45D9E1}
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface>{45A8F904-D9CA-439B-9CBB-11097B45D9E1}
Still in the left panel, locate and delete the key:
ProxyStubClsid
Again Still in the left panel, locate and delete the key:
ProxyStubClsid32
Again Still in the left panel, locate and delete the key:
TypeLib
In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>Microsoft>Windows Script
Still in the left panel, locate and delete the key:
Settings
Close Registry Editor.

Step 4

Delete this registry value

[ Learn More ]

In HKEY_CURRENT_USER\Software\AppDataLow\PlaySushi
- autoupd = "1"

In HKEY_CURRENT_USER\Software\AppDataLow\PlaySushi
- snoozetime = "{random values}"

In HKEY_CURRENT_USER\Software\AppDataLow\PlaySushi
- updatcncl = "0"

In HKEY_CURRENT_USER\Software\AppDataLow\PlaySushi
- updtcnt = "0"

In HKEY_CURRENT_USER\Software\AppDataLow\PlaySushi
- updtfailed = "0"

In HKEY_CURRENT_USER\Software\AppDataLow\PlaySushi
- uid = "437fd8ba-961e-4714-b279-d93942fd0879"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Playsushi
- DisplayName = "PlaySushi"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Playsushi
- DisplayIcon = "%Program Files%\PlaySushi\psuninst.exe"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Playsushi
- Publisher = "www.playsushi.com"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Playsushi
- NoRepair = "1"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Playsushi
- NoModify = "1"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Playsushi
- UninstallString = "%Program Files%\PlaySushi\psuninst.exe"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Playsushi
- RecordedProfilePath = "S-1-5-21-4025279379-4087772427-2915903831-500"

In HKEY_CURRENT_USER\Software\AppDataLow\PlaySushi
- locid = "49"

In HKEY_CURRENT_USER\Software\AppDataLow\PlaySushi
- ticket = "ITABL2ayVI1FwmAtAOpA"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\PSText.DLL
- AppID = "{E89A07B5-BD7A-43F9-BDA4-0DAA48AC4FA5}"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\InprocServer32
- ThreadingModel = "Apartment"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\InprocServer32
- ThreadingModel = "Apartment"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{21608B66-026F-4DCB-9244-0DACA328DCED}
- NoExplorer = "1"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}\TypeLib
- Version = "1.0"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\TypeLib
- Version = "1.0"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\TypeLib
- Version = "1.0"

In HKEY_CURRENT_USER\Software\Microsoft\Windows Script\Settings
- JITDebug = "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_CURRENT_USER>Software>AppDataLow>PlaySushi
In the right panel, locate and delete the entry:
autoupd = "1"
Again In the right panel, locate and delete the entry:
snoozetime = "{random values}"
Again In the right panel, locate and delete the entry:
updatcncl = "0"
Again In the right panel, locate and delete the entry:
updtcnt = "0"
Again In the right panel, locate and delete the entry:
updtfailed = "0"
Again In the right panel, locate and delete the entry:
uid = "437fd8ba-961e-4714-b279-d93942fd0879"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Uninstall>Playsushi
In the right panel, locate and delete the entry:
DisplayName = "PlaySushi"
Again In the right panel, locate and delete the entry:
DisplayIcon = "%Program Files%\PlaySushi\psuninst.exe"
Again In the right panel, locate and delete the entry:
Publisher = "www.playsushi.com"
Again In the right panel, locate and delete the entry:
NoRepair = "1"
Again In the right panel, locate and delete the entry:
NoModify = "1"
Again In the right panel, locate and delete the entry:
UninstallString = "%Program Files%\PlaySushi\psuninst.exe"
Again In the right panel, locate and delete the entry:
RecordedProfilePath = "S-1-5-21-4025279379-4087772427-2915903831-500"
Again In the right panel, locate and delete the entry:
locid = "49"
Again In the right panel, locate and delete the entry:
ticket = "ITABL2ayVI1FwmAtAOpA"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>AppID>PSText.DLL
In the right panel, locate and delete the entry:
AppID = "{E89A07B5-BD7A-43F9-BDA4-0DAA48AC4FA5}"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>CLSID>{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}>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>CLSID>{21608B66-026F-4DCB-9244-0DACA328DCED}>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>{21608B66-026F-4DCB-9244-0DACA328DCED}
In the right panel, locate and delete the entry:
NoExplorer = "1"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface>{F165085B-6B85-4AD5-AD00-95552A823F6D}>TypeLib
In the right panel, locate and delete the entry:
Version = "1.0"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface>{5272CCD4-4199-4B04-BF68-B28A0DCF0151}>TypeLib
In the right panel, locate and delete the entry:
Version = "1.0"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface>{45A8F904-D9CA-439B-9CBB-11097B45D9E1}>TypeLib
In the right panel, locate and delete the entry:
Version = "1.0"
In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>Microsoft>Windows Script>Settings
In the right panel, locate and delete the entry:
JITDebug = "0"
Close Registry Editor.

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.

%Program Files%\PlaySushi\PSText.dll
%Program Files%\PlaySushi\psuninst.exe
%Program Files%\PlaySushi\icon.ico
%Program Files%\PlaySushi\psff.tmp
%User Profile%\textlinks@playsushi.com\chrome.manifest
%User Profile%\textlinks@playsushi.com\install.rdf
%User Profile%\components\PlaySushiFF.dll
%User Profile%\components\PlaySushiFF.xpt
%User Profile%\chrome\pstextlinks.jar
%User Temp%\bundle_ask.exe
%User Temp%\install_log.log
%User Temp%\NEW1.tmp.exe
%User Temp%\_MSI5166._IS
%User Temp%\_is2.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\Setup.INI
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\_ISMSIDEL.INI
%User Temp%\_is3.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x0407.ini
%User Temp%\_is4.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x0409.ini
%User Temp%\_is5.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x040a.ini
%User Temp%\_is6.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x040c.ini
%User Temp%\_is7.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x0410.ini
%User Temp%\_is8.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x0413.ini
%User Temp%\_is9.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x0415.ini
%User Temp%\_isA.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x0419.ini
%User Temp%\_isB.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x0816.ini
%User Temp%\_isD.tmp
%User Temp%\~C.tmp
%User Temp%\_isE.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\1033.MST
%User Temp%\_isF.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\Windows Installer 3.0 for Windows XP and later (x86).prq
%User Temp%\_is11.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\Ask Toolbar.msi
%User Temp%\ASKSUTBLOG
%Windows%\Installer\1265f.msi
%Windows%\Installer\12660.mst

To delete malware/grayware component files:

Search for the following files:

%Program Files%\PlaySushi\PSText.dll
%Program Files%\PlaySushi\psuninst.exe
%Program Files%\PlaySushi\icon.ico
%Program Files%\PlaySushi\psff.tmp
%User Profile%\textlinks@playsushi.com\chrome.manifest
%User Profile%\textlinks@playsushi.com\install.rdf
%User Profile%\components\PlaySushiFF.dll
%User Profile%\components\PlaySushiFF.xpt
%User Profile%\chrome\pstextlinks.jar
%User Temp%\bundle_ask.exe
%User Temp%\install_log.log
%User Temp%\NEW1.tmp.exe
%User Temp%\_MSI5166._IS
%User Temp%\_is2.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\Setup.INI
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\_ISMSIDEL.INI
%User Temp%\_is3.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x0407.ini
%User Temp%\_is4.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x0409.ini
%User Temp%\_is5.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x040a.ini
%User Temp%\_is6.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x040c.ini
%User Temp%\_is7.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x0410.ini
%User Temp%\_is8.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x0413.ini
%User Temp%\_is9.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x0415.ini
%User Temp%\_isA.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x0419.ini
%User Temp%\_isB.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\0x0816.ini
%User Temp%\_isD.tmp
%User Temp%\~C.tmp
%User Temp%\_isE.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\1033.MST
%User Temp%\_isF.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\Windows Installer 3.0 for Windows XP and later (x86).prq
%User Temp%\_is11.tmp
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}\Ask Toolbar.msi
%User Temp%\ASKSUTBLOG
%Windows%\Installer\1265f.msi
%Windows%\Installer\12660.mst

Note: To do a search for the following files, right-click Start then click Search... or Find..., depending on the version of Windows you are running. For each file to be deleted, type its file name in the Named input box. In the Look In drop-down list, select My Computer, then press Enter.
Once located, select the file then press SHIFT+DELETE to permanently delete the file.
Repeat the said steps for all files listed.

Step 6

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%\PlaySushi
%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@playsushi.com
%User Profile%\textlinks@playsushi.com\components
%User Profile%\textlinks@playsushi.com\chrome
%System Root%\DOCUME~1
%System Root%\DOCUME~1\ADMINI~1
%User Profile%\LOCALS~1
%User Temp%\{A6DB28B2-86C3-45A8-8AD5-F57FC9D40AE6}
%User Temp%\{86D4B82A-ABED-442A-BE86-96357B70F4FE}

Step 7

Scan your computer with your Trend Micro product to delete files detected as TROJ_AGENT_030971.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 8

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%\_is10.tmp
%User Temp%\_is10..dll

Step 9

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\Microsoft\Internet Explorer\Extensions
- {5CFA5B80-01F4-420F-B18B-545712C8A1C8}

Did this description help? Tell us how we did.

TROJ_AGENT_030971.TOMB

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