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Profil

Win32.HLLW.Autoruner.59397

Added to the Dr.Web virus database: 2011-09-19

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'system' = '<SYSTEM32>\pa.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\Autorun.inf
  • <Drive name for removable media>:\<Virus name>.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)
Modifies settings of Windows Explorer:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = '00000001'
Modifies file system :
Creates the following files:
  • %WINDIR%\pa.exe
  • %PROGRAM_FILES%\pa.exe
  • C:\Autorun.inf
  • C:\<Virus name>.exe
  • <Auxiliary element>
  • <Current directory>\pa.exe
  • <SYSTEM32>\pa.exe
  • C:\Far\pa.exe
  • C:\Documents and Settings\pa.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\<Virus name>.exe
  • <Drive name for removable media>:\Autorun.inf
  • C:\<Virus name>.exe
  • C:\Autorun.inf
Miscellaneous:
Searches for the following windows:
  • ClassName: '' WindowName: 'VB Decompiler Lite v8.1'
  • ClassName: '' WindowName: 'Avira antivir Personal - free Antivirus'
  • ClassName: '' WindowName: 'Avira Premium Security Suite'
  • ClassName: '' WindowName: 'avast! Free Antivirus'
  • ClassName: '' WindowName: 'Windows Task Manager'
  • ClassName: '' WindowName: 'eset smart security - release candidate'
  • ClassName: '' WindowName: 'ESET NOD32 Antivirus'
  • ClassName: '' WindowName: 'eset smart security'