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Win32.HLLW.Autoruner1.52758
Added to the Dr.Web virus database:
2013-08-03
Virus description added:
2013-08-03
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'ddb2c33a89bbcbe44079cba1a1b6709b' = '"%TEMP%\trojanl.exe" ..'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ddb2c33a89bbcbe44079cba1a1b6709b' = '"%TEMP%\trojanl.exe" ..'
Creates or modifies the following files:
%HOMEPATH%\Start Menu\Programs\Startup\ddb2c33a89bbcbe44079cba1a1b6709b.exe
Creates the following files on removable media:
<Drive name for removable media>:\roli.exe
<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] '%TEMP%\trojanl.exe' = '%TEMP%\trojanl.exe:*:Enabled:trojanl.exe'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%WINDIR%\Explorer.EXE' = '%WINDIR%\Explorer.EXE:*:Enabled:ipsec'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\DriverPackSolution.exe' = '%TEMP%\DriverPackSolution.exe:*:Enabled:ipsec'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '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
Creates and executes the following:
'%TEMP%\Server.exe'
'%TEMP%\trojanl.exe'
'%TEMP%\110.exe'
'%TEMP%\DriverPackSolution.exe'
Executes the following:
'<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\trojanl.exe" "trojanl.exe" ENABLE
Injects code into
the following system processes:
a large number of user processes.
Modifies file system :
Creates the following files:
C:\autorun.inf
C:\uxsqhn.exe
%TEMP%\wingcdfi.exe
%TEMP%\ykkln.exe
%TEMP%\ykiqfy.exe
%TEMP%\yier.exe
%TEMP%\winbfvt.exe
%TEMP%\Server.exe
%WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch.new
%TEMP%\110.exe
%TEMP%\DriverPackSolution.exe
<DRIVERS>\lopfn.sys
%TEMP%\winkrsfq.exe
%WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch.new
%TEMP%\trojanl.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\roli.exe
C:\autorun.inf
C:\uxsqhn.exe
Deletes the following files:
%TEMP%\yier.exe
%TEMP%\wingcdfi.exe
%TEMP%\winbfvt.exe
%TEMP%\ykiqfy.exe
%TEMP%\ykkln.exe
%TEMP%\winkrsfq.exe
%TEMP%\DriverPackSolution.exe
%TEMP%\110.exe
%TEMP%\Server.exe
<DRIVERS>\lopfn.sys
%TEMP%\trojanl.exe
Moves the following files:
from %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch.new to %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch
from %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch.new to %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch
Network activity:
Connects to:
'ta#####bookcentre.com':80
'gu###gul.com':80
'www.sk######.#andomierz.opoka.org.pl':80
'de#####ngell.no-ip.biz':1177
'www.pr#####osyancy.com.mx':80
TCP:
HTTP GET requests:
ta#####bookcentre.com/button.gif?5b###########
gu###gul.com/logo.gif?5e###########
www.pr#####osyancy.com.mx/logo.gif?59###########
www.sk######.#andomierz.opoka.org.pl/images/logo.gif?5a###########
UDP:
DNS ASK ta#####bookcentre.com
DNS ASK gu###gul.com
DNS ASK mo####ceptro.com
DNS ASK de#####ngell.no-ip.biz
DNS ASK www.pr#####osyancy.com.mx
DNS ASK www.sk######.#andomierz.opoka.org.pl
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: '(null)'
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