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Win32.HLLW.Autoruner2.16855
Added to the Dr.Web virus database:
2014-08-13
Virus description added:
2014-08-13
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\Userinit.exe,%TEMP%\svchost.exe'
Creates the following files on removable media:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\Cleaner.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
hidden files
file extensions
Creates and executes the following:
'<DRIVERS>\tmp.exe'
'<DRIVERS>\tmp.exe' (downloaded from the Internet)
Executes the following:
'<SYSTEM32>\wscript.exe' "<SYSTEM32>\x4x.vbs"
Modifies file system :
Creates the following files:
<SYSTEM32>\x4x.vbs
C:\Cleaner.exe
C:\autorun.inf
<DRIVERS>\tmp.exe
%TEMP%\svchost.exe
%WINDIR%\sp.htm
%TEMP%\desktop.ini
Sets the 'hidden' attribute to the following files:
C:\Cleaner.exe
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\Cleaner.exe
%TEMP%\svchost.exe
%TEMP%\desktop.ini
C:\autorun.inf
Deletes the following files:
Network activity:
Connects to:
's1.###ectxex.com':80
'wp#d':80
TCP:
HTTP GET requests:
s1.###ectxex.com/uploads/jWYNfM5euFGrKWBVltmIAskRpAH0DuAhAj8XY0B4TVFMoNyZWXhRH-dZuzjRfb59PA38HuVfR6ouA6pPVaZRcyD3S9XpJaDo_44w
wp#d/wpad.dat
UDP:
DNS ASK s1.###ectxex.com
DNS ASK wp#d
Miscellaneous:
Searches for the following windows:
ClassName: 'Shell_TrayWnd' WindowName: '(null)'
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