Win32.HLLW.Autoruner1.24137
Added to the Dr.Web virus database:
2012-07-31
Virus description added:
2012-08-21
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'NVIDIA Media Center Library' = '%WINDIR%\winlogon.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'NVIDIA Media Center Library' = '%WINDIR%\winlogon.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\DrivesGuideInfo.exe
- <Drive name for removable media>:\DrivesGuideInfo\S-1-7-21-1439977401-7444491467-600013330-9141\Desktop.ini
- <Drive name for removable media>:\DrivesGuideInfo\S-1-7-21-1439977401-7444491467-600013330-9141\autorun.exe
Malicious functions:
Creates and executes the following:
- %WINDIR%\winhelp32.exe
- %WINDIR%\winlogon.exe
- %WINDIR%\winhelp32.exe (downloaded from the Internet)
Modifies file system :
Creates the following files:
- %WINDIR%\ssms.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\SYN[1]
- %WINDIR%\version.txt
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\VERSION[1].TXT
- %WINDIR%\winlogon.exe
- %WINDIR%\winhelp32.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\DATA[1]
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\DrivesGuideInfo\S-1-7-21-1439977401-7444491467-600013330-9141\Desktop.ini
Deletes the following files:
Network activity:
Connects to:
- '0-##############0-0-0-0-0-13-0-0-0-0-0-0-0-0-0-0-0-0-0.info':80
- 'localhost':1035
TCP:
HTTP GET requests:
- 0-##############0-0-0-0-0-13-0-0-0-0-0-0-0-0-0-0-0-0-0.info/VERSION.TXT
- 0-##############0-0-0-0-0-13-0-0-0-0-0-0-0-0-0-0-0-0-0.info/SYN
- 0-##############0-0-0-0-0-13-0-0-0-0-0-0-0-0-0-0-0-0-0.info/DATA
UDP:
- DNS ASK 0-##############0-0-0-0-0-13-0-0-0-0-0-0-0-0-0-0-0-0-0.info
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
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