TROJ_AGENT_024065.TOMB
Trojan:Win32/Swisyn.J (Microsoft); Swisyn.aw (McAfee); SpywarePreventer (Symantec); Trojan.Win32.Agent.qwuv (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt); Trojan.FakeAv.BU (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
5,242,880 bytes
EXE
Yes
26 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.
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
QQNews = "%User Temp%\Tp4.exe /r"
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\{10E1725C-7237-41A9-954A-04DCCB1FD16C}
Other System Modifications
This Trojan deletes the following files:
- %System%\ttjj34.ini
- %Windows%\SonndMan.exe
- %Windows%\Vmware.exe
- %Windows%\BarClientServer.exe
- %System%\zozz.exe
- %System%\zozzo.exe
- %System%\vpcma.exe
- %System%\soliee.exe
- %System%\inertno.exe
- %System%\xox.exe
- %System%\zozo.exe
- %System%\sosos.exe
- %System%\solin.exe
- %System%\inertne.exe
- %System%\notepde.exe
(Note: %System% is the Windows system folder, which is usually C:\Windows\System on Windows 98 and ME, C:\WINNT\System32 on Windows NT and 2000, or C:\Windows\System32 on Windows XP and Server 2003.. %Windows% is the Windows folder, which is usually C:\Windows or C:\WINNT.)
It adds the following registry keys:
HKEY_CLASSES_ROOT\laji
HKEY_CLASSES_ROOT\BhoPlugin.EyeOnIE.1
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
BhoPlugin.EyeOnIE.1\CLSID
HKEY_CLASSES_ROOT\BhoPlugin.EyeOnIE
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
BhoPlugin.EyeOnIE\CLSID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
BhoPlugin.EyeOnIE\CurVer
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{10E1725C-7237-41A9-954A-04DCCB1FD16C}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{10E1725C-7237-41A9-954A-04DCCB1FD16C}\ProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{10E1725C-7237-41A9-954A-04DCCB1FD16C}\VersionIndependentProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{10E1725C-7237-41A9-954A-04DCCB1FD16C}\Programmable
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{10E1725C-7237-41A9-954A-04DCCB1FD16C}\InprocServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{10E1725C-7237-41A9-954A-04DCCB1FD16C}\TypeLib
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{3C8BF053-0A65-46FE-A757-2187BD66EF34}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{3C8BF053-0A65-46FE-A757-2187BD66EF34}\1.0
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{3C8BF053-0A65-46FE-A757-2187BD66EF34}\1.0\
FLAGS
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{3C8BF053-0A65-46FE-A757-2187BD66EF34}\1.0\
0
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{3C8BF053-0A65-46FE-A757-2187BD66EF34}\1.0\
0\win32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{3C8BF053-0A65-46FE-A757-2187BD66EF34}\1.0\
HELPDIR
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{49859A6F-2284-4F06-9F8E-BFE56B35BA09}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{49859A6F-2284-4F06-9F8E-BFE56B35BA09}\ProxyStubClsid
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{49859A6F-2284-4F06-9F8E-BFE56B35BA09}\ProxyStubClsid32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{49859A6F-2284-4F06-9F8E-BFE56B35BA09}\TypeLib
It adds the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
laji
dllname = "2211"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects
NoExplorer = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{10E1725C-7237-41A9-954A-04DCCB1FD16C}
NoExplorer = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon\
SpecialAccounts\UserList
new1 = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{10E1725C-7237-41A9-954A-04DCCB1FD16C}\InprocServer32
ThreadingModel = "Apartment"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{49859A6F-2284-4F06-9F8E-BFE56B35BA09}\TypeLib
Version = "1.0"
It modifies the following registry entries:
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\helpsvc
ImagePath = "%System%\inertno.exe"
(Note: The default value data of the said registry entry is {random values}.)
Dropping Routine
This Trojan drops the following files:
- %Program Files%\Common Files\Au_ing_Code.ini
- %Program Files%\Common Files\AMGList.txt
- %User Temp%\Tp2.tmp
- %User Temp%\Tp3.tmp
- %User Temp%\Tp4.tmp
- %User Temp%\Tp5.tmp
- %User Temp%\Tp6.tmp
- %System Root%\cd.bat
- %System Root%\2.bat
- %User Temp%\UG2.tm
- %User Temp%\UG3.tm
- %User Temp%\AutoDns.cmd
- %User Temp%\UG4.tm
- %User Temp%\UG5.tm
- %System%\drivers\svchost.exe
- %System%\ttjj35.ini
(Note: %Program Files% is the default Program Files folder, usually C:\Program Files.. %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.. %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.. %System% is the Windows system folder, which is usually C:\Windows\System on Windows 98 and ME, C:\WINNT\System32 on Windows NT and 2000, or C:\Windows\System32 on Windows XP and Server 2003.)
Other Details
This Trojan connects to the following possibly malicious URL:
- http://in10.{BLOCKED}l.com:81/fc/in10.txt
- http://{BLOCKED}.107.83:88/cc/110.exe
- http://{BLOCKED}.107.83:88/tt/16.exe
- http://{BLOCKED}.107.83:88/tt/18.exe
- http://{BLOCKED}.107.83:88/tt/26.exe
- http://{BLOCKED}.107.83:88/tt/29.exe
- http://{BLOCKED}3.com/tj/023/count/count.Asp?{random characters}
- http://tj.{BLOCKED}h.cn:8081/aaaa.asp?{random characters}
- http://tj.{BLOCKED}h.cn:8081/q.asp?mac=00-50-56-8E-00-DB
- http://whois.{BLOCKED}ne.com.cn/ip.jsp
- http://zxc.{BLOCKED}h.cn:3389/tool/train/q.txt
This report is generated via an automated analysis system.
SOLUTION
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
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_CLASSES_ROOT
- laji
- In HKEY_CLASSES_ROOT
- BhoPlugin.EyeOnIE.1
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\BhoPlugin.EyeOnIE.1
- CLSID
- In HKEY_CLASSES_ROOT
- BhoPlugin.EyeOnIE
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\BhoPlugin.EyeOnIE
- CLSID
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\BhoPlugin.EyeOnIE
- CurVer
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
- {10E1725C-7237-41A9-954A-04DCCB1FD16C}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{10E1725C-7237-41A9-954A-04DCCB1FD16C}
- ProgID
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{10E1725C-7237-41A9-954A-04DCCB1FD16C}
- VersionIndependentProgID
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{10E1725C-7237-41A9-954A-04DCCB1FD16C}
- Programmable
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{10E1725C-7237-41A9-954A-04DCCB1FD16C}
- InprocServer32
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{10E1725C-7237-41A9-954A-04DCCB1FD16C}
- TypeLib
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
- Browser Helper Objects
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib
- {3C8BF053-0A65-46FE-A757-2187BD66EF34}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{3C8BF053-0A65-46FE-A757-2187BD66EF34}
- 1.0
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{3C8BF053-0A65-46FE-A757-2187BD66EF34}\1.0
- FLAGS
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{3C8BF053-0A65-46FE-A757-2187BD66EF34}\1.0
- 0
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{3C8BF053-0A65-46FE-A757-2187BD66EF34}\1.0\0
- win32
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{3C8BF053-0A65-46FE-A757-2187BD66EF34}\1.0
- HELPDIR
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
- {49859A6F-2284-4F06-9F8E-BFE56B35BA09}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{49859A6F-2284-4F06-9F8E-BFE56B35BA09}
- ProxyStubClsid
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{49859A6F-2284-4F06-9F8E-BFE56B35BA09}
- ProxyStubClsid32
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{49859A6F-2284-4F06-9F8E-BFE56B35BA09}
- TypeLib
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
- QQNews = "%User Temp%\Tp4.exe /r"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\laji
- dllname = "2211"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects
- NoExplorer = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{10E1725C-7237-41A9-954A-04DCCB1FD16C}
- NoExplorer = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\UserList
- new1 = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{10E1725C-7237-41A9-954A-04DCCB1FD16C}\InprocServer32
- ThreadingModel = "Apartment"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{49859A6F-2284-4F06-9F8E-BFE56B35BA09}\TypeLib
- Version = "1.0"
Step 6
Restore this modified 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\SYSTEM\ControlSet001\Services\helpsvc
- From: ImagePath = "%System%\inertno.exe"
To: ImagePath = ""{random values}""
- From: ImagePath = "%System%\inertno.exe"
Step 7
Search and delete these files
- %Program Files%\Common Files\Au_ing_Code.ini
- %Program Files%\Common Files\AMGList.txt
- %User Temp%\Tp2.tmp
- %User Temp%\Tp3.tmp
- %User Temp%\Tp4.tmp
- %User Temp%\Tp5.tmp
- %User Temp%\Tp6.tmp
- %System Root%\cd.bat
- %System Root%\2.bat
- %User Temp%\UG2.tm
- %User Temp%\UG3.tm
- %User Temp%\AutoDns.cmd
- %User Temp%\UG4.tm
- %User Temp%\UG5.tm
- %System%\drivers\svchost.exe
- %System%\ttjj35.ini
Step 8
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_AGENT_024065.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 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.
- %System%\ttjj34.ini
- %Windows%\SonndMan.exe
- %Windows%\Vmware.exe
- %Windows%\BarClientServer.exe
- %System%\zozz.exe
- %System%\zozzo.exe
- %System%\vpcma.exe
- %System%\soliee.exe
- %System%\inertno.exe
- %System%\xox.exe
- %System%\zozo.exe
- %System%\sosos.exe
- %System%\solin.exe
- %System%\inertne.exe
- %System%\notepde.exe
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