Virus:TR/Agent.AAL
Date discovered:22/09/2006
Type:Trojan
In the wild:No
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:69.632 Bytes
MD5 checksum:4ed6f7364206b0ae28e1cc439102ce5b
VDF version:6.36.00.49
IVDF version:6.36.00.60 - Tuesday, September 26, 2006

 General Method of propagation:
   • No own spreading routine


Alias:
   •  Mcafee: Kimat


Platforms / OS:
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003


Side effects:
   • Drops a file
   • Drops malicious files
   • Registry modification


Right after execution the following information is displayed:



Right after execution it runs a windows application which will display the following window:


 Files It copies itself to the following locations:
   • %SYSDIR%\ISASS.exe
   • %WINDIR%\Resources\Empty.bat
   • %WINDIR%\Media\msconfig.bat
   • %WINDIR%\security\kernel32.bat
   • %WINDIR%\system32.exe
   • %ALLUSERSPROFILE%\Start Menu\Programs\Startup\Temp.pif
   • %SYSDIR%\LNETINFO.exe
   • %HOME%\My Documents\Data %computer name%.exe
   • %SYSDIR%\Kiamat.exe
   • %HOME%\My Documents\%all subdirectories%\%current directory%.exe



The following file is created:

– %WINDIR%\security\ms.inf

 Registry The following registry keys are added in order to run the processes after reboot:

– HKCU\Software\Microsoft\Windows\CurrentVersion\Run
   • "msconfig"="%WINDIR%\Media\msconfig.bat"

– HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
   • "Kiamat Sudah Dekat_16_04"="%SYSDIR%\ISASS.exe"



The following registry key is added:

– HKCU\Software\Policies\Microsoft\CurrentVersion\Policies\Explorer
   • "NoFind"=dword:00000001



The following registry keys are changed:

Disable Regedit and Task Manager:
– HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
   New value:
   • "DisableRegistryTools"=dword:00000001
   • "DisableTaskMgr"=dword:00000001

– HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
   Old value:
   • "Hidden"=%user defined settings%
   • "HideFileExt"=%user defined settings%
   New value:
   • "Hidden"=dword:00000002
   • "HideFileExt"=dword:00000001

– HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
   Old value:
   • "Shell"="Explorer.exe"
   New value:
   • "Shell"="Explorer.exe "%WINDIR%\Resources\Empty.bat""

– HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
   New value:
   • "DisableCMD"=dword:00000001

 File details Programming language:
 The malware program was written in Visual Basic.

Description inserted by Teodor Onisor on Tuesday, October 24, 2006
Description updated by Oliver Auerbach on Wednesday, October 25, 2006

Back . . . .