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Win32.HLLW.Autoruner1.28168
Added to the Dr.Web virus database:
2012-10-18
Virus description added:
2012-10-19
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{GF4X7745-WQW6-GR05-83C3-J2A4J26U82BY}] 'StubPath' = '<SYSTEM32>\microsoft\windows.exe Restart'
[<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{GF4X7745-WQW6-GR05-83C3-J2A4J26U82BY}] 'StubPath' = ''
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'Policies' = ''
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'Policies' = ''
Creates the following files on removable media:
<Drive name for removable media>:\jgyxlx.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'
<Auxiliary element>
[<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
Creates and executes the following:
<SYSTEM32>\Microsoft\windows.exe
Executes the following:
Injects code into
the following system processes:
<SYSTEM32>\services.exe
<SYSTEM32>\winlogon.exe
<SYSTEM32>\lsass.exe
<SYSTEM32>\alg.exe
<SYSTEM32>\spoolsv.exe
<SYSTEM32>\svchost.exe
<Auxiliary element>
System
<SYSTEM32>\csrss.exe
<SYSTEM32>\smss.exe
a large number of user processes.
Hides the following processes:
Modifies file system :
Creates the following files:
<DRIVERS>\ilnjl.sys
%TEMP%\winxvgo.exe
%TEMP%\ttrfru.exe
C:\sjcgev.exe
C:\autorun.inf
%TEMP%\wincixima.exe
%TEMP%\XX--XX--XX.txt
<SYSTEM32>\Microsoft\windows.exe
%TEMP%\winisev.exe
%APPDATA%\logs.dat
%TEMP%\wintlfn.exe
%TEMP%\UuU.uUu
%TEMP%\XxX.xXx
Sets the 'hidden' attribute to the following files:
C:\sjcgev.exe
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\jgyxlx.exe
<SYSTEM32>\Microsoft\windows.exe
%APPDATA%\logs.dat
C:\autorun.inf
Deletes the following files:
<DRIVERS>\ilnjl.sys
%TEMP%\XxX.xXx
%TEMP%\ttrfru.exe
<SYSTEM32>\Microsoft\windows.exe
%TEMP%\wincixima.exe
%TEMP%\XX--XX--XX.txt
%TEMP%\winisev.exe
%TEMP%\UuU.uUu
%TEMP%\winxvgo.exe
%TEMP%\wintlfn.exe
Miscellaneous:
Searches for the following windows:
ClassName: 'Shell_TrayWnd' WindowName: ''
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