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Profil

Win32.HLLW.Autoruner1.37243

Added to the Dr.Web virus database: 2013-05-15

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AVP.EXE] 'debugger' = 'notepad'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pctsgui.exe] 'debugger' = 'notepad'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\VPTRAY.EXE] 'debugger' = 'notepad'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AVGNT.EXE] 'debugger' = 'notepad'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pctstray.exe] 'debugger' = 'notepad'
  • [<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows] 'load' = '%TEMP%\svchost.com'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,<SYSTEM32>\fdisk.com'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ashdisp.exe] 'debugger' = 'notepad'
  • [<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows] 'run' = '%TEMP%\svchost.com'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'User Agent' = '<SYSTEM32>\fdisk.com'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'User Agent' = '%TEMP%\svchost.com'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'HotKey' = '%HOMEPATH%\Templates\cache\SFCsrvc.pif'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'HotKey' = '%HOMEPATH%\Templates\cache\SFCsrvc.pif'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe <SYSTEM32>\fdisk.com'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe] 'debugger' = 'notepad'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\USBGUARD.EXE] 'debugger' = 'notepad'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe] 'debugger' = 'notepad'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mmc.exe] 'debugger' = 'notepad'
Creates or modifies the following files:
  • %HOMEPATH%\Start Menu\Programs\Startup\sndvol32.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Startup\sndvol32.exe
Creates the following files on removable media:
  • <Drive name for removable media>:\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\temp.db
  • <Drive name for removable media>:\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\tmp.db
  • <Drive name for removable media>:\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\desktop.ini
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\Thumbs.db
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:
  • '%TEMP%\svchost.com' keep_fucking
  • '%TEMP%\svchost.com'
Terminates or attempts to terminate
the following user processes:
  • AVP.EXE
Modifies settings of Windows Explorer:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NofolderOptions' = '00000001'
Modifies file system :
Creates the following files:
  • %TEMP%\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\temp.db
  • C:\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\temp.db
  • %HOMEPATH%\Templates\cache\SFCsrvc.pif
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\dcb[1]
  • %HOMEPATH%\Templates\cache\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\tmp.db
  • C:\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\tmp.db
  • %HOMEPATH%\Templates\cache\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\temp.db
  • %TEMP%\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\tmp.db
  • %HOMEPATH%\Templates\cache\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\desktop.ini
  • %HOMEPATH%\Templates\cache\desktop.ini
  • %TEMP%\svchost.com
  • %TEMP%\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\desktop.ini
  • C:\Thumbs.db
  • C:\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\desktop.ini
  • <SYSTEM32>\fdisk.com
  • C:\autorun.inf
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\autorun.inf
  • C:\Thumbs.db
  • %HOMEPATH%\Templates\cache\SFCsrvc.pif
  • <Drive name for removable media>:\Thumbs.db
  • C:\autorun.inf
  • <SYSTEM32>\fdisk.com
  • %TEMP%\svchost.com
  • %HOMEPATH%\Start Menu\Programs\Startup\sndvol32.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Startup\sndvol32.exe
Network activity:
Connects to:
  • 'ne#####m.isa-geek.org':80
  • 'ht###.ath.cx':80
TCP:
HTTP GET requests:
  • ht###.ath.cx/Files/test.tits
  • ht###.ath.cx/Files/dcb
UDP:
  • DNS ASK ne#####m.isa-geek.org
  • DNS ASK ht###.ath.cx
  • DNS ASK pr###.just.edu.jo
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''