TROJ_FAKEAV.APJ
Rogue:Win32/PrivacyCenter, Rogue:Win32/PrivacyCenter, Rogue:Win32/PrivacyCenter, Rogue:Win32/Privacy (Microsoft); FakeAlert-DB (McAfee); AdwareRemover2007, SpywareGuard2008 (Symantec); ARC:NSIS, [pc.exe]:Trojan-FakeAV.Win32.PrivacyCenter.cm, PAK:[tap0801.sys]:PE_Patch, [sp.dll]:Trojan (Kaspersky); Privacy components (fs), XLG Security Center (fs), Trojan.Win32.Generic!BT (Sunbelt); Trojan.FakeAV.WV (FSecure)
Windows 2000, Windows XP, Windows Server 2003
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
2,845,950 bytes
EXE
Yes
24 Nov 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%\Privacy components
- %Program Files%\Privacy components\tools
- %Program Files%\Privacy components\tools\sc
- %Program Files%\Privacy components\tools\sp
- %Program Files%\Privacy components\sounds
- %Program Files%\Privacy components\faq
- %Program Files%\Privacy components\faq\images
- %System Root%\Documents and Settings\Wilbert
- %User Profile%\Application Data\Privacy components
- %User Profile%\Privacy components\dbases
- %User Profile%\Privacy components\temp
- %User Profile%\Privacy components\keys
- %Start Menu%\Programs\Privacy components
(Note: %Program Files% is the default Program Files folder, usually C:\Program Files.. %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:\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.)
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
agent.exe = "%Program Files%\Privacy components\agent.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\{D032570A-5F63-4812-A094-87D007C23012}
Other System Modifications
This Trojan deletes the following files:
- %User Temp%\nsr1.tmp
(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 adds the following registry keys:
HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
Privacy components
HKEY_CLASSES_ROOT\CLSID\{D032570A-5F63-4812-A094-87D007C23012}
HKEY_CLASSES_ROOT\CLSID\{D032570A-5F63-4812-A094-87D007C23012}\
InprocServer32
HKEY_CLASSES_ROOT\sp.TIEAdvBHO
HKEY_CLASSES_ROOT\sp.TIEAdvBHO\Clsid
HKEY_CLASSES_ROOT\CLSID\{D032570A-5F63-4812-A094-87D007C23012}\
ProgID
It adds the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Privacy components
DisplayName = "Privacy components"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Privacy components
UninstallString = "%Program Files%\Privacy components\uninstall.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Privacy components
NoModify = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Privacy components
NoRepair = "1"
HKEY_CURRENT_USER\Software\Microsoft\
Windows NT\CurrentVersion\Winlogon
Shell = "%Program Files%\Privacy components\pc.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D032570A-5F63-4812-A094-87D007C23012}\InprocServer32
ThreadingModel = "Apartment"
Dropping Routine
This Trojan drops the following files:
- %Program Files%\Privacy components\pc.exe
- %Program Files%\Privacy components\agent.exe
- %Program Files%\Privacy components\tools\sc\OemWin2k.inf
- %Program Files%\Privacy components\tools\sc\ca.crt
- %Program Files%\Privacy components\tools\sc\libeay32.dll
- %Program Files%\Privacy components\tools\sc\libssl32.dll
- %Program Files%\Privacy components\tools\sc\openvpn.exe
- %Program Files%\Privacy components\tools\sc\tap0801.sys
- %Program Files%\Privacy components\tools\sc\tapinstall.exe
- %Program Files%\Privacy components\tools\sp\sp.dll
- %Program Files%\Privacy components\sounds\1.mp3
- %Program Files%\Privacy components\sounds\3.mp3
- %Program Files%\Privacy components\faq\guide.html
- %Program Files%\Privacy components\faq\images\gimg1.jpg
- %Program Files%\Privacy components\faq\images\gimg10.jpg
- %Program Files%\Privacy components\faq\images\gimg2.jpg
- %Program Files%\Privacy components\faq\images\gimg3.jpg
- %Program Files%\Privacy components\faq\images\gimg4.jpg
- %Program Files%\Privacy components\faq\images\gimg5.jpg
- %Program Files%\Privacy components\faq\images\gimg6.jpg
- %Program Files%\Privacy components\faq\images\gimg7.jpg
- %Program Files%\Privacy components\faq\images\gimg8.jpg
- %Program Files%\Privacy components\faq\images\gimg9.jpg
- %User Profile%\dbases\cg.dat
- %User Profile%\dbases\mw.dat
- %User Profile%\dbases\rd.dat
- %User Profile%\dbases\sc.dat
- %User Profile%\dbases\sm.dat
- %User Profile%\dbases\sp.dat
- %User Profile%\temp\settings.ini
- %User Profile%\keys\cg.key
- %User Profile%\keys\rd.key
- %User Profile%\keys\sc.key
- %User Profile%\keys\sp.key
- %Program Files%\Privacy components\uninstall.exe
- %Start Menu%\Programs\Privacy components\Privacy components.lnk
- %Desktop%\Privacy components.lnk
(Note: %Program Files% is the default Program Files folder, usually C:\Program Files.. %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.. %Desktop% is the current user's desktop, which is usually C:\Windows\Profiles\{user name}\Desktop on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Desktop on Windows NT, and C:\Documents and Settings\{User Name}\Desktop on Windows 2000, XP, and Server 2003.)
This report is generated via an automated analysis system.
SOLUTION
9.300
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
Step 3
Close all opened browser windows
Step 4
Delete this registry key
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
- Privacy components
- In HKEY_CLASSES_ROOT\CLSID
- {D032570A-5F63-4812-A094-87D007C23012}
- In HKEY_CLASSES_ROOT\CLSID\{D032570A-5F63-4812-A094-87D007C23012}
- InprocServer32
- In HKEY_CLASSES_ROOT
- sp.TIEAdvBHO
- In HKEY_CLASSES_ROOT\sp.TIEAdvBHO
- Clsid
- In HKEY_CLASSES_ROOT\CLSID\{D032570A-5F63-4812-A094-87D007C23012}
- ProgID
Step 5
Delete this registry value
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\Microsoft\Windows\CurrentVersion\Run
- agent.exe = "%Program Files%\Privacy components\agent.exe"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Privacy components
- DisplayName = "Privacy components"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Privacy components
- UninstallString = "%Program Files%\Privacy components\uninstall.exe"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Privacy components
- NoModify = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Privacy components
- NoRepair = "1"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Winlogon
- Shell = "%Program Files%\Privacy components\pc.exe"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D032570A-5F63-4812-A094-87D007C23012}\InprocServer32
- ThreadingModel = "Apartment"
Step 6
Search and delete these files
- %Program Files%\Privacy components\pc.exe
- %Program Files%\Privacy components\agent.exe
- %Program Files%\Privacy components\tools\sc\OemWin2k.inf
- %Program Files%\Privacy components\tools\sc\ca.crt
- %Program Files%\Privacy components\tools\sc\libeay32.dll
- %Program Files%\Privacy components\tools\sc\libssl32.dll
- %Program Files%\Privacy components\tools\sc\openvpn.exe
- %Program Files%\Privacy components\tools\sc\tap0801.sys
- %Program Files%\Privacy components\tools\sc\tapinstall.exe
- %Program Files%\Privacy components\tools\sp\sp.dll
- %Program Files%\Privacy components\sounds\1.mp3
- %Program Files%\Privacy components\sounds\3.mp3
- %Program Files%\Privacy components\faq\guide.html
- %Program Files%\Privacy components\faq\images\gimg1.jpg
- %Program Files%\Privacy components\faq\images\gimg10.jpg
- %Program Files%\Privacy components\faq\images\gimg2.jpg
- %Program Files%\Privacy components\faq\images\gimg3.jpg
- %Program Files%\Privacy components\faq\images\gimg4.jpg
- %Program Files%\Privacy components\faq\images\gimg5.jpg
- %Program Files%\Privacy components\faq\images\gimg6.jpg
- %Program Files%\Privacy components\faq\images\gimg7.jpg
- %Program Files%\Privacy components\faq\images\gimg8.jpg
- %Program Files%\Privacy components\faq\images\gimg9.jpg
- %User Profile%\dbases\cg.dat
- %User Profile%\dbases\mw.dat
- %User Profile%\dbases\rd.dat
- %User Profile%\dbases\sc.dat
- %User Profile%\dbases\sm.dat
- %User Profile%\dbases\sp.dat
- %User Profile%\temp\settings.ini
- %User Profile%\keys\cg.key
- %User Profile%\keys\rd.key
- %User Profile%\keys\sc.key
- %User Profile%\keys\sp.key
- %Program Files%\Privacy components\uninstall.exe
- %Start Menu%\Programs\Privacy components\Privacy components.lnk
- %Desktop%\Privacy components.lnk
Step 7
Search and delete these folders
- %Program Files%\Privacy components
- %Program Files%\Privacy components\tools
- %Program Files%\Privacy components\tools\sc
- %Program Files%\Privacy components\tools\sp
- %Program Files%\Privacy components\sounds
- %Program Files%\Privacy components\faq
- %Program Files%\Privacy components\faq\images
- %System Root%\Documents and Settings\Wilbert
- %User Profile%\Application Data\Privacy components
- %User Profile%\Privacy components\dbases
- %User Profile%\Privacy components\temp
- %User Profile%\Privacy components\keys
- %Start Menu%\Programs\Privacy components
Step 8
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_FAKEAV.APJ. 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%\nsr1.tmp
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