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Win32.HLLW.Autoruner.53217
Added to the Dr.Web virus database:
2011-07-04
Virus description added:
2011-07-05
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'QuickTime Task' = '"<Full path to virus>" -atboottime'
Creates the following files on removable media:
<Drive name for removable media>:\ufmrp.pif
<Drive name for removable media>:\autorun.inf
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DisableNotifications' = '00000001'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\winlogon.exe' = '<SYSTEM32>\winlogon.exe:*:enabled:@shell32.dll,-1'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to virus>' = '<Full path to virus>:*:Enabled:ipsec'
[<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 the following features:
User Account Control (UAC)
Windows Security Center
Injects code into
the following system processes:
<SYSTEM32>\ctfmon.exe
<SYSTEM32>\cscript.exe
<SYSTEM32>\winlogon.exe
%WINDIR%\Explorer.EXE
a large number of user processes.
Modifies file system :
Creates the following files:
C:\autorun.inf
C:\fughwc.pif
%TEMP%\cfhnf.exe
%TEMP%\ixdxr.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\ufmrp.pif
C:\autorun.inf
C:\fughwc.pif
Deletes the following files:
%TEMP%\ixdxr.exe
%TEMP%\cfhnf.exe
Network activity:
Connects to:
'zb##aa.com':443
'c7.#olgo.pl':80
UDP:
DNS ASK ar#.adle.pl
DNS ASK zb##aa.com
DNS ASK c7.#olgo.pl
Miscellaneous:
Searches for the following windows:
ClassName: 'Shell_TrayWnd' WindowName: ''
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