Win32.HLLW.Autoruner1.34280
Added to the Dr.Web virus database:
2013-03-22
Virus description added:
2013-03-22
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'RunVer' = '<SYSTEM32>\RunVer.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe RunVer.exe'
Creates or modifies the following files:
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\RunVer.exe
- <Drive name for removable media>:\Nouveau dossier.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)
blocks the following features:
Creates and executes the following:
- <SYSTEM32>\Ver.exe
- <SYSTEM32>\Ver.exe (downloaded from the Internet)
Executes the following:
- <SYSTEM32>\at.exe 09:00 /interactive /EVERY:m,t,w,th,f,s,su <SYSTEM32>\RunVer.exe
- <SYSTEM32>\at.exe /delete /yes
Forces autoplay for removable media.
Modifies file system :
Creates the following files:
- C:\Nouveau dossier.exe
- <SYSTEM32>\Ver.exe
- C:\autorun.inf
- C:\RunVer.exe
- %WINDIR%\RunVer.exe
- <SYSTEM32>\RunVer.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\vbnbs[1].exe
- <SYSTEM32>\autorun.ini
Sets the 'hidden' attribute to the following files:
- C:\autorun.inf
- <Drive name for removable media>:\autorun.inf
- <SYSTEM32>\autorun.ini
- <SYSTEM32>\RunVer.exe
- %WINDIR%\RunVer.exe
Network activity:
Connects to:
TCP:
HTTP GET requests:
- h1.##pway.com/bl0g/vbnbs.exe
UDP:
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
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