JavaScript support is required for our site to be fully operational in your browser.
Win32.HLLW.Autoruner1.57245
Added to the Dr.Web virus database:
2013-09-27
Virus description added:
2013-09-27
Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
%HOMEPATH%\Start Menu\Programs\Startup\svchost.exe
Creates the following files on removable media:
<Drive name for removable media>:\Bloc-notes.exe
<Drive name for removable media>:\cmtcsp.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'
<Auxiliary element>
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\YhPIFCpo.exe' = '%TEMP%\YhPIFCpo.exe:*: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:
'%TEMP%\svchost.exe'
'%TEMP%\YhPIFCpo.exe'
Executes the following:
'%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES4.tmp" "%TEMP%\vbc3.tmp"
'%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\l_oitykg.cmdline"
Injects code into
the following system processes:
%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
a large number of user processes.
Modifies file system :
Creates the following files:
%TEMP%\vbc3.tmp
%TEMP%\RES4.tmp
%TEMP%\l_oitykg.exe
%TEMP%\wingsxmvn.exe
<DRIVERS>\ionel.sys
%TEMP%\wkwbj.exe
C:\autorun.inf
%TEMP%\kxvrhu.exe
%TEMP%\apqvks.exe
%TEMP%\winlomsd.exe
C:\twpn.exe
%TEMP%\cvjwie.exe
%TEMP%\wintgcwyk.exe
%TEMP%\~TM1.tmp
%TEMP%\~TM2.tmp
%TEMP%\winypjdd.exe
%TEMP%\FhARAC.resources
%TEMP%\YhPIFCpo.exe
%TEMP%\svchost.exe
%TEMP%\P871J653l.resources
%TEMP%\l_oitykg.out
%TEMP%\simv.exe
%TEMP%\MSNPSharp.dll
%TEMP%\l_oitykg.0.vb
%TEMP%\l_oitykg.cmdline
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\cmtcsp.pif
C:\autorun.inf
C:\twpn.exe
Deletes the following files:
%TEMP%\l_oitykg.exe
%TEMP%\l_oitykg.cmdline
%TEMP%\l_oitykg.0.vb
%TEMP%\l_oitykg.out
%TEMP%\cvjwie.exe
%TEMP%\apqvks.exe
%TEMP%\winlomsd.exe
%TEMP%\wintgcwyk.exe
%TEMP%\kxvrhu.exe
%TEMP%\winypjdd.exe
%TEMP%\simv.exe
%TEMP%\~TM1.tmp
%TEMP%\~TM2.tmp
%TEMP%\wingsxmvn.exe
%TEMP%\RES4.tmp
%TEMP%\vbc3.tmp
<DRIVERS>\ionel.sys
%TEMP%\wkwbj.exe
Miscellaneous:
Searches for the following windows:
ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
ClassName: 'Shell_TrayWnd' WindowName: '(null)'
ClassName: '' WindowName: '(null)'
ClassName: 'MS_AutodialMonitor' WindowName: '(null)'
Download Dr.Web for Android
Free three-month trial
All protection features available
Renew your trial license in AppGallery/on Google Pay
By continuing to use this website, you are consenting to Doctor Web’s use of cookies and other technologies related to the collection of visitor statistics. Learn more
OK