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Win32.HLLW.Autoruner2.14773
Added to the Dr.Web virus database:
2014-05-25
Virus description added:
2014-05-26
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Windows Updater' = 'C:\<Virus name>.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Updater' = '<Full path to virus>'
Creates or modifies the following files:
%ALLUSERSPROFILE%\Start Menu\Programs\Startup\<Virus name>.exe
%HOMEPATH%\Start Menu\Programs\Startup\<Virus name>.exe
Creates the following files on removable media:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\<Virus name>.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
To complicate detection of its presence in the operating system,
forces the system hide from view:
blocks execution of the following system utilities:
Windows Task Manager (Taskmgr)
Registry Editor (RegEdit)
blocks the following features:
User Account Control (UAC)
Creates and executes the following:
'<Current directory>\spolsvs.exe'
'<Current directory>\spolsvs.exe' (downloaded from the Internet)
Modifies settings of Windows Explorer:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoSaveSettings' = '00000001'
Modifies file system :
Creates the following files:
%TEMP%\~ip.tmp
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\checkip.dyndns[1].6007295803
<Current directory>\conf.ini
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\whatismyip[1].82064918592
<Current directory>\spolsvs.exe
C:\Shared\<Virus name>.exe
%APPDATA%\<Virus name>.exe
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\spolsvs[1].exe
\Device\LanmanRedirector\10.0.0.2\PIPE\srvsvc
Sets the 'hidden' attribute to the following files:
Deletes the following files:
Modifies the HOSTS file.
Network activity:
Connects to:
'www.wh###smyip.com':80
'ft#.##eewebtown.com':21
'ch####p.dyndns.org':80
'<Private IP address>':445
'www.fr###ebtown.com':80
TCP:
HTTP GET requests:
www.wh###smyip.com/?rn#########################################
ch####p.dyndns.org/?rn#########################################
www.fr###ebtown.com/bruxelles/spolsvs.exe
UDP:
DNS ASK www.wh###smyip.com
DNS ASK ft#.##eewebtown.com
DNS ASK www.fr###ebtown.com
DNS ASK ch####p.dyndns.org
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