Win32.HLLW.Autoruner1.26716

Added to the Dr.Web virus database: 2012-09-29

Virus description added: 2012-10-17

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Control Panel\Desktop] 'SCRNSAVE.EXE' = '<SYSTEM32>\logon.scr, %WINDIR%\system\Network.bat'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'CTFMON.EXE' = '<SYSTEM32>\CTFMON.EXE, %WINDIR%\Host.exe'

Creates the following files on removable media:

Malicious functions:

Executes the following:

<SYSTEM32>\reg.exe add "HKCU\Control Panel\Desktop" /V SCRNSAVE.EXE /T REG_SZ /D "<SYSTEM32>\logon.scr, %WINDIR%\system\Network.bat" /F
<SYSTEM32>\attrib.exe +H +S E:\Autorun.inf
<SYSTEM32>\attrib.exe +H +S E:\Driver.exe
<SYSTEM32>\attrib.exe +H +S %WINDIR%\Host.exe
<SYSTEM32>\attrib.exe +H +S %WINDIR%\system\Network.bat
<SYSTEM32>\reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /V CTFMON.EXE /T REG_SZ /D "<SYSTEM32>\CTFMON.EXE, %WINDIR%\Host.exe" /F

Modifies file system :

Creates the following files:

Sets the 'hidden' attribute to the following files:

Miscellaneous:

Searches for the following windows: