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Win32.HLLW.Autohit.17218
Added to the Dr.Web virus database:
2018-05-07
Virus description added:
2018-05-07
Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
%HOMEPATH%\Start Menu\Programs\Startup\Client.exe
%HOMEPATH%\Start Menu\Programs\Startup\Client.vbs
%HOMEPATH%\Start Menu\Programs\Startup\Client.js
%HOMEPATH%\Start Menu\Programs\Startup\Client.lnk
%HOMEPATH%\Start Menu\Programs\Startup\Client.URL
Malicious functions:
Injects code into
the following system processes:
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
Modifies file system:
Creates the following files:
%TEMP%\aut1.tmp
%TEMP%\tzslipb
%TEMP%\aut2.tmp
%TEMP%\EWMCYR.exe
%TEMP%\blgZblRvZ.txt
%TEMP%\llfvs55w.0.vb
%TEMP%\llfvs55w.cmdline
%TEMP%\llfvs55w.out
%TEMP%\vbc3.tmp
%TEMP%\vbc4.tmp
%TEMP%\RES5.tmp
Deletes the following files:
%TEMP%\aut1.tmp
%TEMP%\tzslipb
%TEMP%\aut2.tmp
%HOMEPATH%\Start Menu\Programs\Startup\Client.exe
Network activity:
Connects to:
'pr####hat.ddns.net':1337
'az####loj.ddns.net':8899
UDP:
DNS ASK pr####hat.ddns.net
DNS ASK az####loj.ddns.net
Miscellaneous:
Creates and executes the following:
'%TEMP%\EWMCYR.exe'
'%HOMEPATH%\Start Menu\Programs\Startup\Client.exe'
Executes the following:
'%WINDIR%\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe'
'%WINDIR%\Microsoft.NET\Framework\v4.0.30319\vbc.exe' /noconfig @"%TEMP%\llfvs55w.cmdline"
'%WINDIR%\Microsoft.NET\Framework\v4.0.30319\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES5.tmp" "%TEMP%\vbc4.tmp"
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