TROJ_SPNV.03CG14
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
2,076,951 bytes
EXE
No
20 Mar 2014
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:
- %User Temp%\is-HDO2P.tmp
- %User Temp%\is-HS32B.tmp
- %User Temp%\is-HS32B.tmp\_isetup
- %Program Files%\Adobe Flash Players 12.0
- %Program Files%\Adobe Flash Players 12.0\IE
- %Program Files%\Adobe Flash Players 12.0\IE\x86
- %Program Files%\Adobe Flash Players 12.0\IE\x64
(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).)
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\{D0123838-675F-43DC-9D4C-58498D4D84C9}
Other System Modifications
This Trojan adds the following registry keys:
HKEY_LOCAL_MACHINE\Software\Google\
Chrome\Extensions\ahnenihgffnpifphegcnihemnejoigeo
HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
Adobe Flash Players 12.0_is1
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Ext\
Settings\{D0123838-675F-43DC-9D4C-58498D4D84C9}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
Ext
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
Ext\CLSID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D0123838-675F-43DC-9D4C-58498D4D84C9}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D0123838-675F-43DC-9D4C-58498D4D84C9}\Programmable
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D0123838-675F-43DC-9D4C-58498D4D84C9}\InprocServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D0123838-675F-43DC-9D4C-58498D4D84C9}\TypeLib
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D0123838-675F-43DC-9D4C-58498D4D84C9}\Version
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{36EE8A25-52C6-4E01-9925-ED02C59F8016}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{36EE8A25-52C6-4E01-9925-ED02C59F8016}\1.0
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{36EE8A25-52C6-4E01-9925-ED02C59F8016}\1.0\
FLAGS
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{36EE8A25-52C6-4E01-9925-ED02C59F8016}\1.0\
0
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{36EE8A25-52C6-4E01-9925-ED02C59F8016}\1.0\
0\win32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{36EE8A25-52C6-4E01-9925-ED02C59F8016}\1.0\
HELPDIR
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{2D01F487-C6A8-4292-8B3E-5F6DF7CC2459}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{2D01F487-C6A8-4292-8B3E-5F6DF7CC2459}\ProxyStubClsid
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{2D01F487-C6A8-4292-8B3E-5F6DF7CC2459}\ProxyStubClsid32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{2D01F487-C6A8-4292-8B3E-5F6DF7CC2459}\TypeLib
It adds the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Google\
Chrome\Extensions\ahnenihgffnpifphegcnihemnejoigeo
Path = "%Program Files%\Adobe Flash Players 12.0\adobeflashplayer-sk.crx"
HKEY_LOCAL_MACHINE\SOFTWARE\Google\
Chrome\Extensions\ahnenihgffnpifphegcnihemnejoigeo
Version = "12.0"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Adobe Flash Players 12.0_is1
Inno Setup: Setup Version = "5.5.4 (u)"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Adobe Flash Players 12.0_is1
Inno Setup: App Path = "%Program Files%\Adobe Flash Players 12.0"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Adobe Flash Players 12.0_is1
InstallLocation = "%Program Files%\Adobe Flash Players 12.0"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Adobe Flash Players 12.0_is1
Inno Setup: Icon Group = "Adobe Flash Players 12.0"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Adobe Flash Players 12.0_is1
Inno Setup: User = "Wilbert"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Adobe Flash Players 12.0_is1
Inno Setup: Language = "english"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Adobe Flash Players 12.0_is1
DisplayName = "Adobe Flash Players 12.0"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Adobe Flash Players 12.0_is1
UninstallString = "%Program Files%\Adobe Flash Players 12.0\unins000.exe "
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Adobe Flash Players 12.0_is1
QuietUninstallString = "%Program Files%\Adobe Flash Players 12.0\unins000.exe /SILENT"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Adobe Flash Players 12.0_is1
Publisher = "Adobe Flash Players 12.0"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Adobe Flash Players 12.0_is1
NoModify = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Adobe Flash Players 12.0_is1
NoRepair = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Adobe Flash Players 12.0_is1
InstallDate = "20140224"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{D0123838-675F-43DC-9D4C-58498D4D84C9}
NoExplorer = "1"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Ext\
Settings\{D0123838-675F-43DC-9D4C-58498D4D84C9}
Flags = "19"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
Ext\CLSID
{D0123838-675F-43DC-9D4C-58498D4D84C9} = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D0123838-675F-43DC-9D4C-58498D4D84C9}\InprocServer32
ThreadingModel = "Apartment"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{2D01F487-C6A8-4292-8B3E-5F6DF7CC2459}\TypeLib
Version = "1.0"
It deletes the following registry keys:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
Adobe Flash Players 12.0_is1
Dropping Routine
This Trojan drops the following files:
- %User Temp%\is-hdo2p.tmp\{malware file name}.tmp
- %User Temp%\is-HS32B.tmp\_isetup\_shfoldr.dll
- %Program Files%\Adobe Flash Players 12.0\unins000.dat
- %Program Files%\Adobe Flash Players 12.0\is-00OQL.tmp
- %Program Files%\Adobe Flash Players 12.0\is-AOFOE.tmp
- %Program Files%\Adobe Flash Players 12.0\IE\x86\is-6ST2L.tmp
- %Program Files%\Adobe Flash Players 12.0\IE\x86\is-NLD01.tmp
- %Program Files%\Adobe Flash Players 12.0\IE\x86\is-RE761.tmp
- %Program Files%\Adobe Flash Players 12.0\IE\x64\is-FT74D.tmp
- %Program Files%\Adobe Flash Players 12.0\IE\x64\is-VEVTG.tmp
- %Program Files%\Adobe Flash Players 12.0\IE\x64\is-9J117.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, 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).)
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
Close all opened browser windows
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\Google\Chrome\Extensions
- ahnenihgffnpifphegcnihemnejoigeo
- In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
- Adobe Flash Players 12.0_is1
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Settings
- {D0123838-675F-43DC-9D4C-58498D4D84C9}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies
- Ext
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Ext
- CLSID
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
- {D0123838-675F-43DC-9D4C-58498D4D84C9}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D0123838-675F-43DC-9D4C-58498D4D84C9}
- Programmable
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D0123838-675F-43DC-9D4C-58498D4D84C9}
- InprocServer32
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D0123838-675F-43DC-9D4C-58498D4D84C9}
- TypeLib
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D0123838-675F-43DC-9D4C-58498D4D84C9}
- Version
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib
- {36EE8A25-52C6-4E01-9925-ED02C59F8016}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{36EE8A25-52C6-4E01-9925-ED02C59F8016}
- 1.0
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{36EE8A25-52C6-4E01-9925-ED02C59F8016}\1.0
- FLAGS
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{36EE8A25-52C6-4E01-9925-ED02C59F8016}\1.0
- 0
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{36EE8A25-52C6-4E01-9925-ED02C59F8016}\1.0\0
- win32
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{36EE8A25-52C6-4E01-9925-ED02C59F8016}\1.0
- HELPDIR
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
- {2D01F487-C6A8-4292-8B3E-5F6DF7CC2459}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{2D01F487-C6A8-4292-8B3E-5F6DF7CC2459}
- ProxyStubClsid
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{2D01F487-C6A8-4292-8B3E-5F6DF7CC2459}
- ProxyStubClsid32
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{2D01F487-C6A8-4292-8B3E-5F6DF7CC2459}
- TypeLib
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_LOCAL_MACHINE\SOFTWARE\Google\Chrome\Extensions\ahnenihgffnpifphegcnihemnejoigeo
- Path = "%Program Files%\Adobe Flash Players 12.0\adobeflashplayer-sk.crx"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Google\Chrome\Extensions\ahnenihgffnpifphegcnihemnejoigeo
- Version = "12.0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Adobe Flash Players 12.0_is1
- Inno Setup: Setup Version = "5.5.4 (u)"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Adobe Flash Players 12.0_is1
- Inno Setup: App Path = "%Program Files%\Adobe Flash Players 12.0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Adobe Flash Players 12.0_is1
- InstallLocation = "%Program Files%\Adobe Flash Players 12.0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Adobe Flash Players 12.0_is1
- Inno Setup: Icon Group = "Adobe Flash Players 12.0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Adobe Flash Players 12.0_is1
- Inno Setup: User = "Wilbert"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Adobe Flash Players 12.0_is1
- Inno Setup: Language = "english"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Adobe Flash Players 12.0_is1
- DisplayName = "Adobe Flash Players 12.0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Adobe Flash Players 12.0_is1
- UninstallString = "%Program Files%\Adobe Flash Players 12.0\unins000.exe "
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Adobe Flash Players 12.0_is1
- QuietUninstallString = "%Program Files%\Adobe Flash Players 12.0\unins000.exe /SILENT"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Adobe Flash Players 12.0_is1
- Publisher = "Adobe Flash Players 12.0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Adobe Flash Players 12.0_is1
- NoModify = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Adobe Flash Players 12.0_is1
- NoRepair = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Adobe Flash Players 12.0_is1
- InstallDate = "20140224"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{D0123838-675F-43DC-9D4C-58498D4D84C9}
- NoExplorer = "1"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{D0123838-675F-43DC-9D4C-58498D4D84C9}
- Flags = "19"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Ext\CLSID
- {D0123838-675F-43DC-9D4C-58498D4D84C9} = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D0123838-675F-43DC-9D4C-58498D4D84C9}\InprocServer32
- ThreadingModel = "Apartment"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{2D01F487-C6A8-4292-8B3E-5F6DF7CC2459}\TypeLib
- Version = "1.0"
Step 5
Search and delete these components
- %User Temp%\is-hdo2p.tmp\{malware file name}.tmp
- %User Temp%\is-HS32B.tmp\_isetup\_shfoldr.dll
- %Program Files%\Adobe Flash Players 12.0\unins000.dat
- %Program Files%\Adobe Flash Players 12.0\is-00OQL.tmp
- %Program Files%\Adobe Flash Players 12.0\is-AOFOE.tmp
- %Program Files%\Adobe Flash Players 12.0\IE\x86\is-6ST2L.tmp
- %Program Files%\Adobe Flash Players 12.0\IE\x86\is-NLD01.tmp
- %Program Files%\Adobe Flash Players 12.0\IE\x86\is-RE761.tmp
- %Program Files%\Adobe Flash Players 12.0\IE\x64\is-FT74D.tmp
- %Program Files%\Adobe Flash Players 12.0\IE\x64\is-VEVTG.tmp
- %Program Files%\Adobe Flash Players 12.0\IE\x64\is-9J117.tmp
Step 6
Search and delete these folders
- %User Temp%\is-HDO2P.tmp
- %User Temp%\is-HS32B.tmp
- %User Temp%\is-HS32B.tmp\_isetup
- %Program Files%\Adobe Flash Players 12.0
- %Program Files%\Adobe Flash Players 12.0\IE
- %Program Files%\Adobe Flash Players 12.0\IE\x86
- %Program Files%\Adobe Flash Players 12.0\IE\x64
Step 7
Scan your computer with your Trend Micro product to delete files detected as TROJ_SPNV.03CG14. 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 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_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall
- Adobe Flash Players 12.0_is1
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