Win32.HLLW.Autoruner.46602
Added to the Dr.Web virus database:
2012-09-07
Virus description added:
2012-09-28
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'soe3' = '<SYSTEM32>\Startup.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'soe4' = '%WINDIR%\%USERNAME%1.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,<SYSTEM32>\welcome.com'
- [<HKLM>\SOFTWARE\Classes\.bat] '' = 'virus'
- [<HKLM>\SOFTWARE\Classes\.cmd] '' = 'virus'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'soe1' = '<SYSTEM32>\%USERNAME%small.exe'
Creates or modifies the following files:
- %ALLUSERSPROFILE%\Start Menu\Programs\Startup\Startup.exe
- %HOMEPATH%\Start Menu\Programs\Startup\Startup.exe
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\photo\photo.jpg.exe
- <Drive name for removable media>:\For you.jpg.exe
- <Drive name for removable media>:\Loikawhacking.com
- <Drive name for removable media>:\Top model.jpg.exe
- <Drive name for removable media>:\photo\For you.jpg.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
- file extensions
blocks execution of the following system utilities:
- Windows Task Manager (Taskmgr)
- Registry Editor (RegEdit)
Creates and executes the following:
- <SYSTEM32>\welcome.com
- <SYSTEM32>\%USERNAME%small.exe
- %WINDIR%\%USERNAME%1.exe
Modifies settings of Windows Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = '00000001'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFind' = '00000001'
Forces autoplay for removable media.
Modifies file system :
Creates the following files:
- <LS_APPDATA>\Microsoft\CD Burning\autorun.inf
- <LS_APPDATA>\Microsoft\CD Burning\photo.exe
- C:\autorun.inf
- C:\ntldr.pif
- C:\Documents and Settings\Default User\Start Menu\Programs\Startup\Startup.exe
- <SYSTEM32>\%USERNAME%small.exe
- %WINDIR%\%USERNAME%1.exe
- <SYSTEM32>\welcome.com
- <SYSTEM32>\Startup.exe
Sets the 'hidden' attribute to the following files:
- <LS_APPDATA>\Microsoft\CD Burning\autorun.inf
- <LS_APPDATA>\Microsoft\CD Burning\photo.exe
- C:\Documents and Settings\Default User\Start Menu\Programs\Startup\Startup.exe
- C:\autorun.inf
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Loikawhacking.com
- %HOMEPATH%\Start Menu\Programs\Startup\Startup.exe
- <SYSTEM32>\%USERNAME%small.exe
- %WINDIR%\%USERNAME%1.exe
- %ALLUSERSPROFILE%\Start Menu\Programs\Startup\Startup.exe
- <SYSTEM32>\welcome.com
- <SYSTEM32>\Startup.exe
Deletes the following files:
- %WINDIR%\%USERNAME%1.exe
- C:\Documents and Settings\Default User\Start Menu\Programs\Startup\Startup.exe
- C:\ntldr.pif
- <SYSTEM32>\welcome.com
- <SYSTEM32>\%USERNAME%small.exe
- %HOMEPATH%\Start Menu\Programs\Startup\Startup.exe
- <SYSTEM32>\Startup.exe
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
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