Win32.HLLW.Autoruner1.58853
Added to the Dr.Web virus database:
2013-10-19
Virus description added:
2013-10-19
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiakis' = '%HOMEPATH%\yoiakis.exe /b'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiakis' = '%HOMEPATH%\yoiakis.exe /m'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiakis' = '%HOMEPATH%\yoiakis.exe /a'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiakis' = '%HOMEPATH%\yoiakis.exe /q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiakis' = '%HOMEPATH%\yoiakis.exe /v'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiakis' = '%HOMEPATH%\yoiakis.exe /u'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiakis' = '%HOMEPATH%\yoiakis.exe /k'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiakis' = '%HOMEPATH%\yoiakis.exe /z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiakis' = '%HOMEPATH%\yoiakis.exe /c'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiakis' = '%HOMEPATH%\yoiakis.exe /g'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiakis' = '%HOMEPATH%\yoiakis.exe /r'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiakis' = '%HOMEPATH%\yoiakis.exe /f'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiakis' = '%HOMEPATH%\yoiakis.exe /i'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiakis' = '%HOMEPATH%\yoiakis.exe /j'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiakis' = '%HOMEPATH%\yoiakis.exe /t'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiakis' = '%HOMEPATH%\yoiakis.exe /x'
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>:\RCX1D.tmp
- <Drive name for removable media>:\Sexy_backup.exe
- <Drive name for removable media>:\RCX1A.tmp
- <Drive name for removable media>:\Secret_backup.exe
- <Drive name for removable media>:\RCX20.tmp
- <Drive name for removable media>:\RCX26.tmp
- <Drive name for removable media>:\RCX29.tmp
- <Drive name for removable media>:\yoiakis_backup.exe
- <Drive name for removable media>:\RCX23.tmp
- <Drive name for removable media>:\Porn_backup.exe
- <Drive name for removable media>:\Secret.exe
- <Drive name for removable media>:\Sexy.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\yoiakis.exe
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\Passwords_backup.exe
- <Drive name for removable media>:\RCX17.tmp
- <Drive name for removable media>:\Passwords.exe
- <Drive name for removable media>:\Bloc-notes.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
Creates and executes the following:
- '%HOMEPATH%\yoiakis.exe'
- '%TEMP%\svchost.exe'
- '%TEMP%\laouxax.exe'
Executes the following:
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\tolkndhe.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES22.tmp" "%TEMP%\vbc21.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\rdaokkhb.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES1F.tmp" "%TEMP%\vbc1E.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\g-u2hpwq.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES28.tmp" "%TEMP%\vbc27.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\of6zcj_x.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES25.tmp" "%TEMP%\vbc24.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\x7cekg_5.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES16.tmp" "%TEMP%\vbc15.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\bktbcurd.cmdline"
- '%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%\h7e4fv_r.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES1C.tmp" "%TEMP%\vbc1B.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\jpcpk9ig.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES19.tmp" "%TEMP%\vbc18.tmp"
Network activity:
Connects to:
- 'ns#.##ckdate2.com':7001
- 'ns#.##ckupdate3.org':7001
- 'ns#.##ckdate2.net':7001
- 'ns#.##ckdate1.net':7001
- 'ns#.##ckdate2.org':7001
- 'ns#.##ckupdate1.com':7001
- '17#.#3.169.14':80
- 'ns#.##ckupdate1.net':7001
- 'ns#.##ckdate1.com':7001
- 'ns#.##ckupdate4.net':7001
UDP:
- DNS ASK ns#.##ckdate2.net
- DNS ASK ns#.##ckdate2.com
- DNS ASK ns#.##ckdate1.net
- DNS ASK ns#.##ckdate2.org
- DNS ASK ns#.##ckupdate3.org
- DNS ASK ns#.##ckupdate1.net
- DNS ASK ns#.##ckupdate1.com
- DNS ASK ns#.##ckdate1.com
- DNS ASK ns#.##ckupdate4.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
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