Win32.HLLW.Autohit.12340

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\npfwiz.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\npfuser.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Njeeves.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Nbrowser.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\npfsvc32.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\npflgutl.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nuaa.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\npfrules.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\npfports.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nvcsched.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\EHttpSrv.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\egui.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nod32.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ekrn.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nod32kui.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Nvcoa.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nvoy.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nod32krn.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rtpsvc.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SSCVIHOST.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\attrib.exe] 'Debugger' = 'rundll32.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\blastclnn.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\blastclnnn.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MSASCui.exe] 'Debugger' = 'rundll32.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jre͸' = '%APPDATA%\Java\ߙJviewʚ.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'CRNJEUFỦ' = '%APPDATA%\Java\ϝshimgvwʅ.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cscript.exe] 'Debugger' = 'rundll32.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\wscript.exe] 'Debugger' = 'rundll32.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\New Folder.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\npc_login.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nprosec.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\npcsvc32.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\npc_tray.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ansavgd] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\autorunme.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\scsaver.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\reg32.exe] 'Debugger' = 'cmd.exe /c del /f /q '
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ise32.exe] 'Debugger' = 'cmd.exe /c del /f /q '

Creates the following files on removable media:

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\RИCYCLER\thumbs.db
<Drive name for removable media>:\RИCYCLER\Desktop.ini

Malicious functions:

To complicate detection of its presence in the operating system,

forces the system hide from view:

hidden files
file extensions

blocks the following features:

System Restore (SR)
User Account Control (UAC)

Creates and executes the following:

'%APPDATA%\Java\ߙJviewʚ.exe'
'%APPDATA%\Java\ϝshimgvwʅ.exe'

Executes the following:

'<SYSTEM32>\reg.exe' DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
'<SYSTEM32>\net1.exe' Share "=e:" /UNLIMITED
'<SYSTEM32>\rundll32.exe' shimgvw.dll, ImageView_Fullscreen

Modifies file system :

Creates the following files:

%TEMP%\njbztkz
%TEMP%\aut2.tmp
<LS_APPDATA>\Microsoft\CD Burning\RИCYCLER\Desktop.ini
<LS_APPDATA>\Microsoft\CD Burning\autorun.inf
<LS_APPDATA>\Microsoft\CD Burning\RИCYCLER\thumbs.db
%TEMP%\odbqpba
%TEMP%\aut1.tmp
%APPDATA%\Java\Desktop.ini
%APPDATA%\Java\ߙJviewʚ.exe
%APPDATA%\Java\ϝshimgvwʅ.exe

Sets the 'hidden' attribute to the following files:

<LS_APPDATA>\Microsoft\CD Burning\RИCYCLER\Desktop.ini
<Drive name for removable media>:\autorun.inf
<LS_APPDATA>\Microsoft\CD Burning\autorun.inf
<LS_APPDATA>\Microsoft\CD Burning\RИCYCLER\thumbs.db
<Drive name for removable media>:\RИCYCLER\thumbs.db
%APPDATA%\Java\ϝshimgvwʅ.exe
%APPDATA%\Java\Desktop.ini
<Drive name for removable media>:\RИCYCLER\Desktop.ini
%APPDATA%\Java\ߙJviewʚ.exe

Deletes the following files:

%TEMP%\aut2.tmp
%TEMP%\njbztkz
%TEMP%\aut1.tmp
%TEMP%\odbqpba

Network activity:

UDP:

DNS ASK www.google.com

Miscellaneous:

Searches for the following windows:

ClassName: '(null)' WindowName: 'GINA Logon'
ClassName: 'Indicator' WindowName: '(null)'
ClassName: 'ShImgVw:CPreviewWnd' WindowName: '(null)'
ClassName: 'Shell_TrayWnd' WindowName: '(null)'

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