Win32.HLLW.Autoruner.55903

Added to the Dr.Web virus database: 2011-08-09

Virus description added: 2011-08-09

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'AdobeUpdater' = '%WINDIR%\system\msnmsgrlive.exe'

Creates the following files on removable media:

Malicious functions:

To complicate detection of its presence in the operating system,

blocks execution of the following system utilities:

Executes the following:

<SYSTEM32>\reg.exe ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoFolderOptions /t REG_DWORD /d 1 /f
<SYSTEM32>\attrib.exe +h +s +r <Drive name for removable media>:\Autorun.inf
<SYSTEM32>\reg.exe ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\system /v disableregistrytools /t REG_DWORD /d "00000001" /f
<SYSTEM32>\reg.exe ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v AdobeUpdater /t REG_SZ /d "%WINDIR%\system\msnmsgrlive.exe" /f
<SYSTEM32>\reg.exe ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d "00000001" /f

Modifies settings of Windows Explorer:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = '00000001'

Modifies file system :

Creates the following files:

Sets the 'hidden' attribute to the following files:

Deletes the following files:

Miscellaneous:

Searches for the following windows: