JavaScript support is required for our site to be fully operational in your browser.
Win32.HLLM.Breacuk.10
Added to the Dr.Web virus database:
2012-09-18
Virus description added:
2012-10-09
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xbkil' = '%WINDIR%\Tasks\yupqh.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nxssp' = '%WINDIR%\Fonts\yupqh.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'reybi' = '%WINDIR%\system\yupqh.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'wpvjw' = '<SYSTEM32>\yupqh.exe'
Creates or modifies the following files:
%WINDIR%\Tasks\cts2
%WINDIR%\Tasks\ma1.tmp
%WINDIR%\Tasks\codm
%WINDIR%\Tasks\yupqh.exe
%WINDIR%\Tasks\b6.log
Infects the following executable system files:
<SYSTEM32>\dllcache\cmd.exe
<SYSTEM32>\cmd.exe
%WINDIR%\pchealth\helpctr\binaries\msconfig.exe
<SYSTEM32>\wupdmgr.exe
<SYSTEM32>\dllcache\wupdmgr.exe
%WINDIR%\regedit.exe
<SYSTEM32>\regedt32.exe
<SYSTEM32>\dllcache\regedt32.exe
<SYSTEM32>\dllcache\taskmgr.exe
<SYSTEM32>\dllcache\regedit.exe
<SYSTEM32>\taskmgr.exe
Substitutes the following executable system files:
<SYSTEM32>\dllcache\msconfig.exe with <SYSTEM32>\dllcache\msconfig.exe.new
%WINDIR%\pchealth\helpctr\binaries\msconfig.exe with %WINDIR%\pchealth\helpctr\binaries\msconfig.exe.new
Malicious functions:
Executes the following:
%PROGRAM_FILES%\Internet Explorer\IEXPLORE.EXE http://www.po###rone.com/ad2_03/images/pc0132hb072.jpg
Modifies file system :
Creates the following files:
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\pc0132hb072[1].jpg
%WINDIR%\Fonts\yupqh.exe
%WINDIR%\pchealth\helpctr\binaries\msconfig.exe.new
<SYSTEM32>\dllcache\msconfig.exe.new
C:\Far2\Far..exe
<SYSTEM32>\yupqh.exe
%WINDIR%\system\systray.exe
%WINDIR%\system\msconfig.exe
%WINDIR%\wupdmgr.exe
%WINDIR%\system\yupqh.exe
%WINDIR%\command.com
Network activity:
Connects to:
'ca#####.nas.tiscali.de':53
'62.##.16.130':53
'ma###.#ed.retevision.es':53
'ra#####.red.retevision.es':53
'www.po###rone.com':80
'localhost':1035
'ns####.uninet.net.mx':53
'ma######2.red.retevision.es':53
TCP:
HTTP GET requests:
www.po###rone.com/ad2_03/images/pc0132hb072.jpg
UDP:
DNS ASK ca#####.nas.tiscali.de
DNS ASK ra#####.red.retevision.es
DNS ASK ma###.#ed.retevision.es
DNS ASK www.po###rone.com
DNS ASK ma######2.red.retevision.es
DNS ASK ns####.uninet.net.mx
Miscellaneous:
Searches for the following windows:
ClassName: 'MS_AutodialMonitor' WindowName: ''
ClassName: 'MS_WebcheckMonitor' WindowName: ''
ClassName: 'Shell_TrayWnd' WindowName: ''
ClassName: '' WindowName: ''
ClassName: 'Indicator' WindowName: ''
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