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Win32.HLLW.Autoruner2.8110
Added to the Dr.Web virus database:
2014-02-22
Virus description added:
2014-02-22
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'voeem' = '%HOMEPATH%\voeem.exe /S'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'voeem' = '%HOMEPATH%\voeem.exe /N'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'voeem' = '%HOMEPATH%\voeem.exe /R'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'voeem' = '%HOMEPATH%\voeem.exe /E'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'voeem' = '%HOMEPATH%\voeem.exe /L'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'voeem' = '%HOMEPATH%\voeem.exe /m'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'voeem' = '%HOMEPATH%\voeem.exe /Z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'voeem' = '%HOMEPATH%\voeem.exe /t'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'voeem' = '%HOMEPATH%\voeem.exe /x'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'voeem' = '%HOMEPATH%\voeem.exe /w'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'voeem' = '%HOMEPATH%\voeem.exe /j'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'voeem' = '%HOMEPATH%\voeem.exe /D'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'voeem' = '%HOMEPATH%\voeem.exe /K'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'voeem' = '%HOMEPATH%\voeem.exe /b'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'voeem' = '%HOMEPATH%\voeem.exe /o'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'voeem' = '%HOMEPATH%\voeem.exe /f'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'voeem' = '%HOMEPATH%\voeem.exe /U'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'voeem' = '%HOMEPATH%\voeem.exe /V'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'voeem' = '%HOMEPATH%\voeem.exe /C'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'voeem' = '%HOMEPATH%\voeem.exe /P'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'voeem' = '%HOMEPATH%\voeem.exe /A'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'voeem' = '%HOMEPATH%\voeem.exe /i'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'voeem' = '%HOMEPATH%\voeem.exe /G'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'voeem' = '%HOMEPATH%\voeem.exe /H'
Creates the following files on removable media:
<Drive name for removable media>:\Passwords.exe
<Drive name for removable media>:\RCX5.tmp
<Drive name for removable media>:\RCX4.tmp
<Drive name for removable media>:\RCX8.tmp
<Drive name for removable media>:\RCX7.tmp
<Drive name for removable media>:\RCX6.tmp
<Drive name for removable media>:\Secret.exe
<Drive name for removable media>:\voeem.exe
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\Porn.exe
<Drive name for removable media>:\RCX3.tmp
<Drive name for removable media>:\Sexy.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\winlogon.exe' = '<SYSTEM32>\winlogon.exe:*:enabled:@shell32.dll,-1'
To complicate detection of its presence in the operating system,
forces the system hide from view:
Creates and executes the following:
'%HOMEPATH%\voeem.exe'
'%TEMP%\svchost.exe'
'%TEMP%\zaeoh.exe'
Executes the following:
'%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2.tmp" "%TEMP%\vbc1.tmp"
'%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\lnw9kqtm.cmdline"
Injects code into
the following system processes:
Modifies file system :
Creates the following files:
%HOMEPATH%\voeem.exe
%TEMP%\lnw9kqtm.out
%TEMP%\lnw9kqtm.cmdline
%TEMP%\lnw9kqtm.exe
%TEMP%\RES2.tmp
%TEMP%\vbc1.tmp
%TEMP%\svchost.exe
%TEMP%\zaeoh.exe
%TEMP%\iC.resources
%TEMP%\lnw9kqtm.0.vb
%TEMP%\MSNPSharp.dll
%TEMP%\8m5Pa.resources
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\voeem.exe
<Drive name for removable media>:\autorun.inf
%HOMEPATH%\voeem.exe
Deletes the following files:
<Drive name for removable media>:\Sexy.exe
%TEMP%\lnw9kqtm.cmdline
<Drive name for removable media>:\Passwords.exe
<Drive name for removable media>:\Porn.exe
%TEMP%\lnw9kqtm.out
%TEMP%\vbc1.tmp
%TEMP%\RES2.tmp
%TEMP%\lnw9kqtm.0.vb
%TEMP%\lnw9kqtm.exe
Network activity:
Connects to:
'id##rj.com':443
'so##ax.com':443
'aq##sx.com':443
'83.##3.119.197':80
'ns#.###nsearcher.net':8000
'il#.#renz.pl':80
'an#.#renz.pl':80
'xy##xs.com':443
UDP:
DNS ASK id##rj.com
DNS ASK so##ax.com
DNS ASK ef##gc.com
DNS ASK aq##sx.com
DNS ASK ns#.###nsearcher.net
DNS ASK il#.#renz.pl
DNS ASK an#.#renz.pl
DNS ASK xy##xs.com
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: '(null)'
ClassName: 'Shell_TrayWnd' WindowName: '(null)'
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