TROJ_CLICKER.AXN

April 24, 2013

ALIASES:

TrojanDropper:Win32/Dunik!rts, TrojanDownloader:Win32/Troxen!rts (Microsoft); [12.nsis\0002aa70.EXE]:Generic.dx (McAfee); Trojan.Dropper (Symantec); Trojan-Clicker.Win32.Agent.wn (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt); Trojan horse Generic15.AHAQ (AVG)

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: 790,185 bytes

File Type: EXE

Memory Resident: Yes

Initial Samples Received Date: 24 Apr 2013

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:

%System Root%\DOCUME~1
%System Root%\DOCUME~1\ADMINI~1
%User Profile%\LOCALS~1
%User Temp%\nsf3.tmp
%Program Files%\auctionplus

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

Autostart Technique

This Trojan adds the following registry entries to enable its automatic execution at every system startup:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
auctionplus = "%Program Files%\auctionplus\auctionplusup.exe"

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\{4297D5B9-8B70-4177-8BAD-0568A558D3B6}

Other System Modifications

This Trojan deletes the following files:

%User Temp%\nsp1.tmp
%User Temp%\nsf3.tmp

It adds the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AppID\{65D11807-D786-4288-B3A0-6A896233A47F}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AppID\auctionplus.DLL

HKEY_CLASSES_ROOT\auctionplus.AuctionObj.1

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
auctionplus.AuctionObj.1\CLSID

HKEY_CLASSES_ROOT\auctionplus.AuctionObj

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
auctionplus.AuctionObj\CLSID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
auctionplus.AuctionObj\CurVer

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{4297D5B9-8B70-4177-8BAD-0568A558D3B6}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{4297D5B9-8B70-4177-8BAD-0568A558D3B6}\ProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{4297D5B9-8B70-4177-8BAD-0568A558D3B6}\VersionIndependentProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{4297D5B9-8B70-4177-8BAD-0568A558D3B6}\Programmable

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{4297D5B9-8B70-4177-8BAD-0568A558D3B6}\InprocServer32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{4297D5B9-8B70-4177-8BAD-0568A558D3B6}\TypeLib

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

HKEY_CLASSES_ROOT\auctionplus.EditSubClassing.1

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
auctionplus.EditSubClassing.1\CLSID

HKEY_CLASSES_ROOT\auctionplus.EditSubClassing

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
auctionplus.EditSubClassing\CLSID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
auctionplus.EditSubClassing\CurVer

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{6FD0500E-E0B1-40B0-92EE-200A8AABB871}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{6FD0500E-E0B1-40B0-92EE-200A8AABB871}\ProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{6FD0500E-E0B1-40B0-92EE-200A8AABB871}\VersionIndependentProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{6FD0500E-E0B1-40B0-92EE-200A8AABB871}\Programmable

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{6FD0500E-E0B1-40B0-92EE-200A8AABB871}\InprocServer32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{6FD0500E-E0B1-40B0-92EE-200A8AABB871}\Control

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{6FD0500E-E0B1-40B0-92EE-200A8AABB871}\ToolboxBitmap32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{6FD0500E-E0B1-40B0-92EE-200A8AABB871}\MiscStatus

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{6FD0500E-E0B1-40B0-92EE-200A8AABB871}\MiscStatus\
1

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{6FD0500E-E0B1-40B0-92EE-200A8AABB871}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{6FD0500E-E0B1-40B0-92EE-200A8AABB871}\Version

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{085D03FA-EFCA-42BB-ADC9-61DAB025E1FE}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{085D03FA-EFCA-42BB-ADC9-61DAB025E1FE}\1.0

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{085D03FA-EFCA-42BB-ADC9-61DAB025E1FE}\1.0\
FLAGS

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{085D03FA-EFCA-42BB-ADC9-61DAB025E1FE}\1.0\
0

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{085D03FA-EFCA-42BB-ADC9-61DAB025E1FE}\1.0\
0\win32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{085D03FA-EFCA-42BB-ADC9-61DAB025E1FE}\1.0\
HELPDIR

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{C352498A-2C08-4DD4-924B-F7B350E386B8}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{C352498A-2C08-4DD4-924B-F7B350E386B8}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{C352498A-2C08-4DD4-924B-F7B350E386B8}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{C352498A-2C08-4DD4-924B-F7B350E386B8}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{E3B34F92-7065-4509-94D5-A547CD1E73BE}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{E3B34F92-7065-4509-94D5-A547CD1E73BE}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{E3B34F92-7065-4509-94D5-A547CD1E73BE}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{E3B34F92-7065-4509-94D5-A547CD1E73BE}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\auctionplus

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
auctionplus uninstall

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AppID\auctionplus.DLL
AppID = "{65D11807-D786-4288-B3A0-6A896233A47F}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{4297D5B9-8B70-4177-8BAD-0568A558D3B6}\InprocServer32
ThreadingModel = "Apartment"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{4297D5B9-8B70-4177-8BAD-0568A558D3B6}
AppID = "{65D11807-D786-4288-B3A0-6A896233A47F}"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{4297D5B9-8B70-4177-8BAD-0568A558D3B6}
NoExplorer = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{6FD0500E-E0B1-40B0-92EE-200A8AABB871}\InprocServer32
ThreadingModel = "Apartment"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{6FD0500E-E0B1-40B0-92EE-200A8AABB871}
AppID = "{65D11807-D786-4288-B3A0-6A896233A47F}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{C352498A-2C08-4DD4-924B-F7B350E386B8}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{E3B34F92-7065-4509-94D5-A547CD1E73BE}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\auctionplus
default = "20080205"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
auctionplus uninstall
DisplayName = "Auction Plus uninstall"

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

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
auctionplus uninstall
DisplayIcon = "%Program Files%\auctionplus\uninstall.exe"

Dropping Routine

This Trojan drops the following files:

%User Temp%\nsp2.tmp
%User Temp%\nsf3.tmp\ExistFiles.dll
%User Temp%\nsf3.tmp\DLLWebCount.dll
%User Temp%\nsf3.tmp\KillProcDLL.dll
%User Temp%\nsf3.tmp\ServiceBlock.dll
%Program Files%\auctionplus\Microsoft.VC80.CRT.manifest
%Program Files%\auctionplus\auctionlib.dll
%Program Files%\auctionplus\auctionlib.dll.intermediate.manifest
%Program Files%\auctionplus\auctionplus.dll
%Program Files%\auctionplus\auctionplus.dll.intermediate.manifest
%Program Files%\auctionplus\auctionplusup.exe
%Program Files%\auctionplus\auctionplusup.exe.intermediate.manifest
%Program Files%\auctionplus\msvcm80.dll
%Program Files%\auctionplus\msvcp80.dll
%Program Files%\auctionplus\msvcr80.dll
%Program Files%\auctionplus\uninstall.exe
%User Temp%\nsf3.tmp\SelfDelete.dll
\DelUS.bat
%System%\drivers\auctionplus.sys

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

Other Details

This Trojan connects to the following possibly malicious URL:

http://{BLOCKED}l.comappinfo/autionplus/overlap/overlap.chk
http://www.{BLOCKED}g.com/counter/s_install.php?pid=auctionplus

This report is generated via an automated analysis system.

SOLUTION

Minimum Scan Engine: 9.300

Step 1

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

Step 2

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\Classes\AppID
- {65D11807-D786-4288-B3A0-6A896233A47F}

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

In HKEY_CLASSES_ROOT
- auctionplus.AuctionObj.1

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\auctionplus.AuctionObj.1
- CLSID

In HKEY_CLASSES_ROOT
- auctionplus.AuctionObj

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\auctionplus.AuctionObj
- CLSID

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\auctionplus.AuctionObj
- CurVer

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
- {4297D5B9-8B70-4177-8BAD-0568A558D3B6}

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{4297D5B9-8B70-4177-8BAD-0568A558D3B6}
- ProgID

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{4297D5B9-8B70-4177-8BAD-0568A558D3B6}
- VersionIndependentProgID

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{4297D5B9-8B70-4177-8BAD-0568A558D3B6}
- Programmable

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{4297D5B9-8B70-4177-8BAD-0568A558D3B6}
- InprocServer32

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{4297D5B9-8B70-4177-8BAD-0568A558D3B6}
- TypeLib

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

In HKEY_CLASSES_ROOT
- auctionplus.EditSubClassing.1

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\auctionplus.EditSubClassing.1
- CLSID

In HKEY_CLASSES_ROOT
- auctionplus.EditSubClassing

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\auctionplus.EditSubClassing
- CLSID

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\auctionplus.EditSubClassing
- CurVer

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
- {6FD0500E-E0B1-40B0-92EE-200A8AABB871}

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6FD0500E-E0B1-40B0-92EE-200A8AABB871}
- ProgID

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6FD0500E-E0B1-40B0-92EE-200A8AABB871}
- VersionIndependentProgID

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6FD0500E-E0B1-40B0-92EE-200A8AABB871}
- Programmable

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6FD0500E-E0B1-40B0-92EE-200A8AABB871}
- InprocServer32

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6FD0500E-E0B1-40B0-92EE-200A8AABB871}
- Control

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6FD0500E-E0B1-40B0-92EE-200A8AABB871}
- ToolboxBitmap32

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6FD0500E-E0B1-40B0-92EE-200A8AABB871}
- MiscStatus

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6FD0500E-E0B1-40B0-92EE-200A8AABB871}\MiscStatus
- 1

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6FD0500E-E0B1-40B0-92EE-200A8AABB871}
- TypeLib

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6FD0500E-E0B1-40B0-92EE-200A8AABB871}
- Version

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib
- {085D03FA-EFCA-42BB-ADC9-61DAB025E1FE}

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{085D03FA-EFCA-42BB-ADC9-61DAB025E1FE}
- 1.0

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{085D03FA-EFCA-42BB-ADC9-61DAB025E1FE}\1.0
- FLAGS

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{085D03FA-EFCA-42BB-ADC9-61DAB025E1FE}\1.0
- 0

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{085D03FA-EFCA-42BB-ADC9-61DAB025E1FE}\1.0\0
- win32

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{085D03FA-EFCA-42BB-ADC9-61DAB025E1FE}\1.0
- HELPDIR

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
- {C352498A-2C08-4DD4-924B-F7B350E386B8}

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{C352498A-2C08-4DD4-924B-F7B350E386B8}
- ProxyStubClsid

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{C352498A-2C08-4DD4-924B-F7B350E386B8}
- ProxyStubClsid32

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{C352498A-2C08-4DD4-924B-F7B350E386B8}
- TypeLib

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
- {E3B34F92-7065-4509-94D5-A547CD1E73BE}

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{E3B34F92-7065-4509-94D5-A547CD1E73BE}
- ProxyStubClsid

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{E3B34F92-7065-4509-94D5-A547CD1E73BE}
- ProxyStubClsid32

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{E3B34F92-7065-4509-94D5-A547CD1E73BE}
- TypeLib

In HKEY_LOCAL_MACHINE\SOFTWARE
- auctionplus

In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
- auctionplus uninstall

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>Classes>AppID
Still in the left panel, locate and delete the key:
{65D11807-D786-4288-B3A0-6A896233A47F}
Again Still in the left panel, locate and delete the key:
auctionplus.DLL
In the left panel, double-click the following:
HKEY_CLASSES_ROOT
Still in the left panel, locate and delete the key:
auctionplus.AuctionObj.1
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>auctionplus.AuctionObj.1
Still in the left panel, locate and delete the key:
CLSID
Again Still in the left panel, locate and delete the key:
auctionplus.AuctionObj
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>auctionplus.AuctionObj
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:
{4297D5B9-8B70-4177-8BAD-0568A558D3B6}
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>CLSID>{4297D5B9-8B70-4177-8BAD-0568A558D3B6}
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
Again Still in the left panel, locate and delete the key:
auctionplus.EditSubClassing.1
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>auctionplus.EditSubClassing.1
Still in the left panel, locate and delete the key:
CLSID
Again Still in the left panel, locate and delete the key:
auctionplus.EditSubClassing
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>auctionplus.EditSubClassing
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:
{6FD0500E-E0B1-40B0-92EE-200A8AABB871}
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>CLSID>{6FD0500E-E0B1-40B0-92EE-200A8AABB871}
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:
Control
Again Still in the left panel, locate and delete the key:
ToolboxBitmap32
Again Still in the left panel, locate and delete the key:
MiscStatus
Again Still in the left panel, locate and delete the key:
TypeLib
Again Still in the left panel, locate and delete the key:
Version
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>TypeLib
Still in the left panel, locate and delete the key:
{085D03FA-EFCA-42BB-ADC9-61DAB025E1FE}
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>TypeLib>{085D03FA-EFCA-42BB-ADC9-61DAB025E1FE}
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>{085D03FA-EFCA-42BB-ADC9-61DAB025E1FE}>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>{085D03FA-EFCA-42BB-ADC9-61DAB025E1FE}>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:
{C352498A-2C08-4DD4-924B-F7B350E386B8}
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface>{C352498A-2C08-4DD4-924B-F7B350E386B8}
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:
{E3B34F92-7065-4509-94D5-A547CD1E73BE}
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface>{E3B34F92-7065-4509-94D5-A547CD1E73BE}
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_LOCAL_MACHINE>SOFTWARE
Still in the left panel, locate and delete the key:
auctionplus
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:
auctionplus uninstall
Close Registry Editor.

Step 5

Delete this registry value

[ Learn More ]

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- auctionplus = "%Program Files%\auctionplus\auctionplusup.exe"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\auctionplus.DLL
- AppID = "{65D11807-D786-4288-B3A0-6A896233A47F}"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{4297D5B9-8B70-4177-8BAD-0568A558D3B6}\InprocServer32
- ThreadingModel = "Apartment"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{4297D5B9-8B70-4177-8BAD-0568A558D3B6}
- AppID = "{65D11807-D786-4288-B3A0-6A896233A47F}"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{4297D5B9-8B70-4177-8BAD-0568A558D3B6}
- NoExplorer = "1"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6FD0500E-E0B1-40B0-92EE-200A8AABB871}\InprocServer32
- ThreadingModel = "Apartment"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6FD0500E-E0B1-40B0-92EE-200A8AABB871}
- AppID = "{65D11807-D786-4288-B3A0-6A896233A47F}"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{C352498A-2C08-4DD4-924B-F7B350E386B8}\TypeLib
- Version = "1.0"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{E3B34F92-7065-4509-94D5-A547CD1E73BE}\TypeLib
- Version = "1.0"

In HKEY_LOCAL_MACHINE\SOFTWARE\auctionplus
- default = "20080205"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\auctionplus uninstall
- DisplayName = "Auction Plus uninstall"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\auctionplus uninstall
- UninstallString = "%Program Files%\auctionplus\uninstall.exe"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\auctionplus uninstall
- DisplayIcon = "%Program Files%\auctionplus\uninstall.exe"

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>Microsoft>Windows>CurrentVersion>Run
In the right panel, locate and delete the entry:
auctionplus = "%Program Files%\auctionplus\auctionplusup.exe"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>AppID>auctionplus.DLL
In the right panel, locate and delete the entry:
AppID = "{65D11807-D786-4288-B3A0-6A896233A47F}"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>CLSID>{4297D5B9-8B70-4177-8BAD-0568A558D3B6}>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>{4297D5B9-8B70-4177-8BAD-0568A558D3B6}
In the right panel, locate and delete the entry:
AppID = "{65D11807-D786-4288-B3A0-6A896233A47F}"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Explorer>Browser Helper Objects>{4297D5B9-8B70-4177-8BAD-0568A558D3B6}
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>{6FD0500E-E0B1-40B0-92EE-200A8AABB871}>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>{6FD0500E-E0B1-40B0-92EE-200A8AABB871}
In the right panel, locate and delete the entry:
AppID = "{65D11807-D786-4288-B3A0-6A896233A47F}"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface>{C352498A-2C08-4DD4-924B-F7B350E386B8}>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>{E3B34F92-7065-4509-94D5-A547CD1E73BE}>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>auctionplus
In the right panel, locate and delete the entry:
default = "20080205"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Uninstall>auctionplus uninstall
In the right panel, locate and delete the entry:
DisplayName = "Auction Plus uninstall"
Again In the right panel, locate and delete the entry:
UninstallString = "%Program Files%\auctionplus\uninstall.exe"
Again In the right panel, locate and delete the entry:
DisplayIcon = "%Program Files%\auctionplus\uninstall.exe"
Close Registry Editor.

Step 6

Search and delete these components

[ Learn More ]

There may be some components that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.

%User Temp%\nsp2.tmp
%User Temp%\nsf3.tmp\ExistFiles.dll
%User Temp%\nsf3.tmp\DLLWebCount.dll
%User Temp%\nsf3.tmp\KillProcDLL.dll
%User Temp%\nsf3.tmp\ServiceBlock.dll
%Program Files%\auctionplus\Microsoft.VC80.CRT.manifest
%Program Files%\auctionplus\auctionlib.dll
%Program Files%\auctionplus\auctionlib.dll.intermediate.manifest
%Program Files%\auctionplus\auctionplus.dll
%Program Files%\auctionplus\auctionplus.dll.intermediate.manifest
%Program Files%\auctionplus\auctionplusup.exe
%Program Files%\auctionplus\auctionplusup.exe.intermediate.manifest
%Program Files%\auctionplus\msvcm80.dll
%Program Files%\auctionplus\msvcp80.dll
%Program Files%\auctionplus\msvcr80.dll
%Program Files%\auctionplus\uninstall.exe
%User Temp%\nsf3.tmp\SelfDelete.dll
\DelUS.bat
%System%\drivers\auctionplus.sys

To manually delete a malware/grayware component from an affected system:

• For Windows 2000, Windows XP, and Windows Server 2003:

Right-click Start then click Search....
In the Named input box, type:
%User Temp%\nsp2.tmp
%User Temp%\nsf3.tmp\ExistFiles.dll
%User Temp%\nsf3.tmp\DLLWebCount.dll
%User Temp%\nsf3.tmp\KillProcDLL.dll
%User Temp%\nsf3.tmp\ServiceBlock.dll
%Program Files%\auctionplus\Microsoft.VC80.CRT.manifest
%Program Files%\auctionplus\auctionlib.dll
%Program Files%\auctionplus\auctionlib.dll.intermediate.manifest
%Program Files%\auctionplus\auctionplus.dll
%Program Files%\auctionplus\auctionplus.dll.intermediate.manifest
%Program Files%\auctionplus\auctionplusup.exe
%Program Files%\auctionplus\auctionplusup.exe.intermediate.manifest
%Program Files%\auctionplus\msvcm80.dll
%Program Files%\auctionplus\msvcp80.dll
%Program Files%\auctionplus\msvcr80.dll
%Program Files%\auctionplus\uninstall.exe
%User Temp%\nsf3.tmp\SelfDelete.dll
\DelUS.bat
%System%\drivers\auctionplus.sys
In the Look In drop-down list, select My Computer then press Enter.
Once located, select the file then press SHIFT+DELETE to delete it.
Repeat the said steps for all files listed.

• For Windows Vista and Windows 7 users:

Click Start>Computer.
In the Search input box, type:
%User Temp%\nsp2.tmp
%User Temp%\nsf3.tmp\ExistFiles.dll
%User Temp%\nsf3.tmp\DLLWebCount.dll
%User Temp%\nsf3.tmp\KillProcDLL.dll
%User Temp%\nsf3.tmp\ServiceBlock.dll
%Program Files%\auctionplus\Microsoft.VC80.CRT.manifest
%Program Files%\auctionplus\auctionlib.dll
%Program Files%\auctionplus\auctionlib.dll.intermediate.manifest
%Program Files%\auctionplus\auctionplus.dll
%Program Files%\auctionplus\auctionplus.dll.intermediate.manifest
%Program Files%\auctionplus\auctionplusup.exe
%Program Files%\auctionplus\auctionplusup.exe.intermediate.manifest
%Program Files%\auctionplus\msvcm80.dll
%Program Files%\auctionplus\msvcp80.dll
%Program Files%\auctionplus\msvcr80.dll
%Program Files%\auctionplus\uninstall.exe
%User Temp%\nsf3.tmp\SelfDelete.dll
\DelUS.bat
%System%\drivers\auctionplus.sys
Once located, select the file then press SHIFT+DELETE to delete it.
Repeat the said steps for all files listed.
*Note: Read the following Microsoft page if these steps do not work on Windows 7.

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.

%System Root%\DOCUME~1
%System Root%\DOCUME~1\ADMINI~1
%User Profile%\LOCALS~1
%User Temp%\nsf3.tmp
%Program Files%\auctionplus

Step 8

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

%User Temp%\nsp1.tmp
%User Temp%\nsf3.tmp

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