PE_FUJACKS.J
Virus:Win32/Viking.JB (Microsoft); W32/Fujacks.au (McAfee); W32.Fujacks.E (Symantec); Worm.Win32.Fujack.cv (Kaspersky); Worm.Win32.Emerleox.gen.a (v) (Sunbelt); Win32.Worm.Fujacks.CX (FSecure)
Windows 2000, Windows XP, Windows Server 2003
Threat Type: File infector
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This file infector arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It deletes itself after execution.
TECHNICAL DETAILS
531,635 bytes
EXE
Yes
03 Dec 2012
Arrival Details
This file infector arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Autostart Technique
This file infector adds the following registry entries to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
Explorer = "%System%\drivers\suchost.exe"
Other System Modifications
This file infector deletes the following folders:
- %System Root%\autorun.inf
(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)
It adds the following registry keys:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
AVP.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
RavMon.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
RavMonD.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
RavStub.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
RavTask.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
CCenter.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
360tray.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
360Safe.exe
It adds the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
AVP.exe
Debugger = "ntsd -d"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
RavMon.exe
Debugger = "ntsd -d"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
RavMonD.exe
Debugger = "ntsd -d"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
RavStub.exe
Debugger = "ntsd -d"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
RavTask.exe
Debugger = "ntsd -d"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
CCenter.exe
Debugger = "ntsd -d"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
360tray.exe
Debugger = "ntsd -d"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
360Safe.exe
Debugger = "ntsd -d"
It modifies the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Advanced\Folder\Hidden\
SHOWALL
CheckedValue = "0"
(Note: The default value data of the said registry entry is 1.)
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Explorer
NoDriveTypeAutoRun = "8"
(Note: The default value data of the said registry entry is 91.)
Dropping Routine
This file infector drops the following files:
- TPAutoConnect.exe.exe
- %System%\drivers\suchost.exe
- %System Root%\go.sys
- %Program Files%\Desk_top_.ini
- %Program Files%\Adobe\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Esl\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\Desk_top_.ini
- %User Temp%\72$$.Ico
- %User Temp%\15$$.Ico
- %User Temp%\83$$.Ico
- %User Temp%\80$$.Ico
- %System Root%\autorun.inf
- %User Temp%\39$$.Ico
- %Program Files%\Adobe\Reader 10.0\Reader\AIR\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\Browser\Desk_top_.ini
- %User Temp%\17$$.Ico
- %Program Files%\Adobe\Reader 10.0\Reader\IDTemplates\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\IDTemplates\ENU\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\Javascripts\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\Legal\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\Legal\ENU\Desk_top_.ini
- %User Temp%\94$$.Ico
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\AcroForm\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\AcroForm\PMP\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Stamps\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Stamps\ENU\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Multimedia\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Multimedia\MPP\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins3d\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins3d\prc\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\Services\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\SPPlugins\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\Tracker\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\CMap\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\Font\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\Font\PFM\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\LanguageNames2\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Proximity\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Proximity\11.00\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\AcroRd32.exe
- %System Root%\¡¡¡¡¡¡.exe
- %Program Files%\Adobe\Reader 10.0\Reader\AdobeCollabSync.exe
(Note: %System% is the Windows system folder, which is usually C:\Windows\System32.. %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.. %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).. %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.)
Other Details
This file infector deletes itself after execution.
This report is generated via an automated analysis system.
SOLUTION
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
Step 3
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 NT\CurrentVersion\Image File Execution Options
- AVP.exe
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options
- RavMon.exe
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options
- RavMonD.exe
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options
- RavStub.exe
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options
- RavTask.exe
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options
- CCenter.exe
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options
- 360tray.exe
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options
- 360Safe.exe
Step 4
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
- Explorer = "%System%\drivers\suchost.exe"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AVP.exe
- Debugger = "ntsd -d"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RavMon.exe
- Debugger = "ntsd -d"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RavMonD.exe
- Debugger = "ntsd -d"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RavStub.exe
- Debugger = "ntsd -d"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RavTask.exe
- Debugger = "ntsd -d"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\CCenter.exe
- Debugger = "ntsd -d"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360tray.exe
- Debugger = "ntsd -d"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360Safe.exe
- Debugger = "ntsd -d"
Step 5
Restore these modified registry values
Important:Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this only if you know how to or you can seek your system administrator's help. You may also check out this Microsoft article first before modifying your computer's registry.
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL
- From: CheckedValue = "0"
To: CheckedValue = ""1""
- From: CheckedValue = "0"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
- From: NoDriveTypeAutoRun = "8"
To: NoDriveTypeAutoRun = ""91""
- From: NoDriveTypeAutoRun = "8"
Step 6
Search and delete these components
- TPAutoConnect.exe.exe
- %System%\drivers\suchost.exe
- %System Root%\go.sys
- %Program Files%\Desk_top_.ini
- %Program Files%\Adobe\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Esl\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\Desk_top_.ini
- %User Temp%\72.Ico
- %User Temp%\15.Ico
- %User Temp%\83.Ico
- %User Temp%\80.Ico
- %System Root%\autorun.inf
- %User Temp%\39.Ico
- %Program Files%\Adobe\Reader 10.0\Reader\AIR\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\Browser\Desk_top_.ini
- %User Temp%\17.Ico
- %Program Files%\Adobe\Reader 10.0\Reader\IDTemplates\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\IDTemplates\ENU\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\Javascripts\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\Legal\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\Legal\ENU\Desk_top_.ini
- %User Temp%\94.Ico
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\AcroForm\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\AcroForm\PMP\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Stamps\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Stamps\ENU\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Multimedia\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Multimedia\MPP\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins3d\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins3d\prc\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\Services\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\SPPlugins\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\Tracker\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\CMap\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\Font\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\Font\PFM\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\LanguageNames2\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Proximity\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Proximity\11.00\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\AcroRd32.exe
- %System Root%\¡¡¡¡¡¡.exe
- %Program Files%\Adobe\Reader 10.0\Reader\AdobeCollabSync.exe
• For Windows Vista and Windows 7 users:
- Click Start>Computer.
- In the Search input box, type:
- TPAutoConnect.exe.exe
- %System%\drivers\suchost.exe
- %System Root%\go.sys
- %Program Files%\Desk_top_.ini
- %Program Files%\Adobe\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Esl\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\Desk_top_.ini
- %User Temp%\72.Ico
- %User Temp%\15.Ico
- %User Temp%\83.Ico
- %User Temp%\80.Ico
- %System Root%\autorun.inf
- %User Temp%\39.Ico
- %Program Files%\Adobe\Reader 10.0\Reader\AIR\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\Browser\Desk_top_.ini
- %User Temp%\17.Ico
- %Program Files%\Adobe\Reader 10.0\Reader\IDTemplates\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\IDTemplates\ENU\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\Javascripts\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\Legal\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\Legal\ENU\Desk_top_.ini
- %User Temp%\94.Ico
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\AcroForm\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\AcroForm\PMP\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Stamps\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Stamps\ENU\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Multimedia\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Multimedia\MPP\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins3d\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\plug_ins3d\prc\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\Services\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\SPPlugins\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\Tracker\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\CMap\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\Font\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\Font\PFM\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\LanguageNames2\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Proximity\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Proximity\11.00\Desk_top_.ini
- %Program Files%\Adobe\Reader 10.0\Reader\AcroRd32.exe
- %System Root%\¡¡¡¡¡¡.exe
- %Program Files%\Adobe\Reader 10.0\Reader\AdobeCollabSync.exe
- 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
Restart in normal mode and scan your computer with your Trend Micro product for files detected as PE_FUJACKS.J. 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.
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