Win32.HLLW.Autoruner1.13425

Technical Information

To ensure autorun and distribution:

Creates the following files on removable media:

<Drive name for removable media>:\AutoRun.inf

Malicious functions:

To complicate detection of its presence in the operating system,

forces the system hide from view:

hidden files

blocks execution of the following system utilities:

Windows Task Manager (Taskmgr)
Registry Editor (RegEdit)

Creates and executes the following:

%TEMP%\1.tmp\b2e.exe %TEMP%\1.tmp\b2e.exe <Current directory> <Full path to virus>

Executes the following:

<SYSTEM32>\attrib.exe +h +r q:\Bali.exe
<SYSTEM32>\xcopy.exe /c /v /k /r /h /y /n Bali.exe q:\
<SYSTEM32>\attrib.exe +h +r p:\Bali.exe
<SYSTEM32>\xcopy.exe /c /v /k /r /h /y /n Bali.exe r:\
<SYSTEM32>\attrib.exe +h +r s:\Bali.exe
<SYSTEM32>\xcopy.exe /c /v /k /r /h /y /n Bali.exe s:\
<SYSTEM32>\attrib.exe +h +r r:\Bali.exe
<SYSTEM32>\xcopy.exe /c /v /k /r /h /y /n Bali.exe n:\
<SYSTEM32>\attrib.exe +h +r m:\Bali.exe
<SYSTEM32>\xcopy.exe /c /v /k /r /h /y /n Bali.exe m:\
<SYSTEM32>\attrib.exe +h +r n:\Bali.exe
<SYSTEM32>\xcopy.exe /c /v /k /r /h /y /n Bali.exe p:\
<SYSTEM32>\attrib.exe +h +r o:\Bali.exe
<SYSTEM32>\xcopy.exe /c /v /k /r /h /y /n Bali.exe o:\
<SYSTEM32>\xcopy.exe /c /v /k /r /h /y /n Bali.exe t:\
<SYSTEM32>\xcopy.exe /c /v /k /r /h /y /n Bali.exe y:\
<SYSTEM32>\attrib.exe +h +r x:\Bali.exe
<SYSTEM32>\xcopy.exe /c /v /k /r /h /y /n Bali.exe x:\
<SYSTEM32>\attrib.exe +h +r y:\Bali.exe
<SYSTEM32>\attrib.exe +h +r %a:\AutoRun.inf
<SYSTEM32>\attrib.exe +h +r z:\Bali.exe
<SYSTEM32>\xcopy.exe /c /v /k /r /h /y /n Bali.exe z:\
<SYSTEM32>\attrib.exe +h +r u:\Bali.exe
<SYSTEM32>\xcopy.exe /c /v /k /r /h /y /n Bali.exe u:\
<SYSTEM32>\attrib.exe +h +r t:\Bali.exe
<SYSTEM32>\xcopy.exe /c /v /k /r /h /y /n Bali.exe v:\
<SYSTEM32>\attrib.exe +h +r w:\Bali.exe
<SYSTEM32>\xcopy.exe /c /v /k /r /h /y /n Bali.exe w:\
<SYSTEM32>\attrib.exe +h +r v:\Bali.exe
<SYSTEM32>\xcopy.exe /c /v /k /r /h /y /n Bali.exe c:\
<SYSTEM32>\taskkill.exe /im helpctr.exe
<SYSTEM32>\reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /f /t reg_dword /v superHidden /d 00000001
<SYSTEM32>\attrib.exe +h +r c:\Bali.exe
<SYSTEM32>\xcopy.exe /c /v /k /r /h /y /n Bali.exe e:\
<SYSTEM32>\attrib.exe +h +r <Drive name for removable media>:\Bali.exe
<SYSTEM32>\xcopy.exe /c /v /k /r /h /y /n Bali.exe <Drive name for removable media>:\
<SYSTEM32>\reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /f /t reg_dword /v DisableRegistryTools /d 00000001
<SYSTEM32>\reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run /f /t reg_sz /v RunBaLi /d %WINDIR%\addins\Bali.exe
<SYSTEM32>\cmd.exe /c ""%TEMP%\2.tmp\batfile.bat" "
<SYSTEM32>\reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /f /t reg_dword /v DisableTaskMgr /d 00000001
<SYSTEM32>\reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /f /t reg_dword /v Hidden /d 00000002
<SYSTEM32>\reg.exe add HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /f /t reg_dword /v NoFolderOptions /d 00000001
<SYSTEM32>\reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /f /t reg_dword /v NoFolderOptions /d 00000001
<SYSTEM32>\attrib.exe +h +r e:\Bali.exe
<SYSTEM32>\attrib.exe +h +r j:\Bali.exe
<SYSTEM32>\xcopy.exe /c /v /k /r /h /y /n Bali.exe j:\
<SYSTEM32>\attrib.exe +h +r i:\Bali.exe
<SYSTEM32>\xcopy.exe /c /v /k /r /h /y /n Bali.exe k:\
<SYSTEM32>\attrib.exe +h +r l:\Bali.exe
<SYSTEM32>\xcopy.exe /c /v /k /r /h /y /n Bali.exe l:\
<SYSTEM32>\attrib.exe +h +r k:\Bali.exe
<SYSTEM32>\xcopy.exe /c /v /k /r /h /y /n Bali.exe g:\
<SYSTEM32>\attrib.exe +h +r f:\Bali.exe
<SYSTEM32>\xcopy.exe /c /v /k /r /h /y /n Bali.exe f:\
<SYSTEM32>\attrib.exe +h +r g:\Bali.exe
<SYSTEM32>\xcopy.exe /c /v /k /r /h /y /n Bali.exe i:\
<SYSTEM32>\attrib.exe +h +r h:\Bali.exe
<SYSTEM32>\xcopy.exe /c /v /k /r /h /y /n Bali.exe h:\

Modifies settings of Windows Explorer:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer] 'NoFolderOptions' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = '00000001'

Modifies file system :

Creates the following files:

C:\AutoRun.inf
%TEMP%\2.tmp\batfile.bat
%TEMP%\1.tmp\b2e.exe

Miscellaneous:

Searches for the following windows:

ClassName: '' WindowName: ''

Tecnologías

Términos

Formación y educación

Mitos

Technical Information