Win32.HLLW.Autoruner1.24492

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'jefri' = '<SYSTEM32>\jefri.vbs'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'isass' = '<DRIVERS>\etc\isass.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'adobes' = '<SYSTEM32>\winnampp.exe'

Creates the following files on removable media:

<Drive name for removable media>:\aku.vbs
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\hack facebook.exe

Malicious functions:

To complicate detection of its presence in the operating system,

blocks execution of the following system utilities:

Windows Task Manager (Taskmgr)
Registry Editor (RegEdit)

Executes the following:

<SYSTEM32>\reg.exe add hkcu\software\microsoft\windows\currentversion\policies\system /v disabletaskmgr /t reg_dword /d "1" /f
<SYSTEM32>\reg.exe add hklm\software\microsoft\windows\currentversion\policies\explorer /v nofileassociate /t reg_dword /d "1" /f
<SYSTEM32>\reg.exe add hkcu\software\microsoft\windows\currentversion\policies\system /v disableregistrytools /t reg_dword /d "1" /f
<SYSTEM32>\reg.exe add hkcu\software\microsoft\windows\currentversion\policies\explorer /v norun /t reg_dword /d "1" /f
<SYSTEM32>\reg.exe add hkcu\software\microsoft\windows\currentversion\policies\explorer /v nologoff /t reg_dword /d "1" /f
<SYSTEM32>\reg.exe add "hkcu\control panel\desktop" /v paintdesktopversion /t reg_dword /d "1" /f
<SYSTEM32>\reg.exe add "hkcu\control panel\colors" /v windowtext /t reg_sz /d "255 255 255" /f
<SYSTEM32>\reg.exe add "hkcu\control panel\desktop" /v menushowdelay /t reg_sz /d "300000000000000000" /f
<SYSTEM32>\reg.exe add hklm\software\microsoft\windows\currentversion\policies\explorer /v nofolderoptions /t reg_dword /d "1" /f
<SYSTEM32>\reg.exe add hkcu\controlpanel\desktop
<SYSTEM32>\reg.exe add hkcu\software\microsoft\windows\currentversion\policies\explorer /v nocdburning /t reg_dword /d "1" /f
<SYSTEM32>\reg.exe add hkcu\software\microsoft\windows\currentversion\policies\explorer /v nodrives /t reg_dword /d "67108863" /f
<SYSTEM32>\reg.exe add hkcu\software\microsoft\windows\currentversion\policies\explorer /v noclose /t reg_dword /d "1" /f
<SYSTEM32>\reg.exe add hklm\software\microsoft\windows\currentversion\run /v jefri /t reg_sz /d "<SYSTEM32>\jefri.vbs
<SYSTEM32>\reg.exe add hkcu\software\microsoft\windows\currentversion\policies\explorer /v nodesktop /t reg_dword /d "1" /f
<SYSTEM32>\reg.exe add hkcu\software\microsoft\windows\currentversion\internetsettings /v proxyserver /t reg_dword /d "127.0.0.1:1271" /f
<SYSTEM32>\reg.exe add hkcu\software\microsoft\windows\currentversion\policies\explorer /v nofind /t reg_dword /d "1" /f
<SYSTEM32>\reg.exe add hkcu\software\microsoft\windows\currentversion\internetsettings /v proxyenabled /t reg_dword /d "1" /f
<SYSTEM32>\reg.exe add hklm\software\microsoft\windows\currentversion\policies\explorer /v nofilemenu /t reg_dword /d "1" /f
<SYSTEM32>\reg.exe add hklm\software\microsoft\windows\currentversion\policies\explorer /v startmenulogoff /t reg_dword /d "1" /f

Modifies settings of Windows Explorer:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'norun' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'nofind' = '00000001'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\explorer] 'nofolderoptions' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'nologoff' = '00000001'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\explorer] 'startmenulogoff' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'noclose' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'nodesktop' = '00000001'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\explorer] 'nofilemenu' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'nodrives' = '03FFFFFF'

Modifies file system :

Creates the following files:

<SYSTEM32>\muk.vbs
<Current directory>\JEFRI.txt
C:\hack facebook.exe
C:\aku.vbs
C:\autorun.inf
<SYSTEM32>\11101986.exe
C:\pdf.exe
<SYSTEM32>\winnampp.exe
<DRIVERS>\etc\isass.exe

Miscellaneous:

Searches for the following windows:

ClassName: '' WindowName: '<SYSTEM32>\cmd.exe'
ClassName: '' WindowName: 'system configuration utility'
ClassName: '' WindowName: 'windows task manager'
ClassName: 'Shell_TrayWnd' WindowName: ''
ClassName: '' WindowName: 'registry editor'

テクノロジー

用語

トレーニングコースおよび啓蒙プロジェクト

アンチウイルスに関する誤解と噂

Technical Information