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Win32.HLLW.Autoruner1.26672
Added to the Dr.Web virus database:
2012-09-26
Virus description added:
2012-10-17
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\Userinit.exe,C:\svchost.exe'
Creates the following files on removable media:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\ntldr.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:
<Current directory>\file.exe
<Current directory>\file.exe (downloaded from the Internet)
Modifies file system :
Creates the following files:
%WINDIR%\sp.htm
<Current directory>\workgroup
C:\svchost.exe
<Current directory>\file.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\ntldr.exe
<Drive name for removable media>:\autorun.inf
C:\svchost.exe
<Current directory>\file.exe
Network activity:
Connects to:
'up####irect.info':80
'wp#d':80
TCP:
HTTP GET requests:
up####irect.info/files/f44c27492943460b323192a95949add5.exe
wp#d/wpad.dat
UDP:
DNS ASK up####irect.info
DNS ASK wp#d
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