Win32.HLLW.Autoruner1.61531
Added to the Dr.Web virus database:
2013-11-23
Virus description added:
2013-11-23
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'seura' = '%HOMEPATH%\seura.exe /A'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'seura' = '%HOMEPATH%\seura.exe /g'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'seura' = '%HOMEPATH%\seura.exe /v'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'seura' = '%HOMEPATH%\seura.exe /Y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'seura' = '%HOMEPATH%\seura.exe /T'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'seura' = '%HOMEPATH%\seura.exe /n'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'seura' = '%HOMEPATH%\seura.exe /p'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'seura' = '%HOMEPATH%\seura.exe /s'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'seura' = '%HOMEPATH%\seura.exe /C'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'seura' = '%HOMEPATH%\seura.exe /W'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'seura' = '%HOMEPATH%\seura.exe /O'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'seura' = '%HOMEPATH%\seura.exe /I'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'seura' = '%HOMEPATH%\seura.exe /h'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'seura' = '%HOMEPATH%\seura.exe /f'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'seura' = '%HOMEPATH%\seura.exe /U'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'seura' = '%HOMEPATH%\seura.exe /K'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'seura' = '%HOMEPATH%\seura.exe /z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'seura' = '%HOMEPATH%\seura.exe /J'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'seura' = '%HOMEPATH%\seura.exe /q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'seura' = '%HOMEPATH%\seura.exe /r'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'seura' = '%HOMEPATH%\seura.exe /X'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'seura' = '%HOMEPATH%\seura.exe /m'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'seura' = '%HOMEPATH%\seura.exe /B'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'seura' = '%HOMEPATH%\seura.exe /l'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'seura' = '%HOMEPATH%\seura.exe /E'
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>:\RCX8.tmp
- <Drive name for removable media>:\Bloc-notes.exe
- <Drive name for removable media>:\RCX6.tmp
- <Drive name for removable media>:\RCX7.tmp
- <Drive name for removable media>:\Porn_backup.exe
- <Drive name for removable media>:\RCXE.tmp
- <Drive name for removable media>:\Passwords_backup.exe
- <Drive name for removable media>:\RCXB.tmp
- <Drive name for removable media>:\Passwords.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>:\seura.exe
- <Drive name for removable media>:\RCX4.tmp
- <Drive name for removable media>:\RCX5.tmp
- <Drive name for removable media>:\RCX3.tmp
- <Drive name for removable media>:\Porn.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%\seura.exe'
- '%TEMP%\svchost.exe'
- '%TEMP%\kezuk.exe'
Executes the following:
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESA.tmp" "%TEMP%\vbc9.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\pnhp6t2t.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESD.tmp" "%TEMP%\vbcC.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\gtqozqrt.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%\kv8xtv1f.cmdline"
Modifies file system :
Creates the following files:
- %TEMP%\vbc9.tmp
- %TEMP%\RESA.tmp
- %TEMP%\windowsupdate.ico
- %TEMP%\kv8xtv1f.out
- %TEMP%\whatdafock.txt
- %TEMP%\kv8xtv1f.0.vb
- %TEMP%\kv8xtv1f.cmdline
- %TEMP%\pnhp6t2t.out
- %TEMP%\vbcC.tmp
- %TEMP%\RESD.tmp
- %TEMP%\pnhp6t2t.cmdline
- %TEMP%\R.resources
- %TEMP%\MWUcIeSAl.resources
- %TEMP%\pnhp6t2t.0.vb
- %TEMP%\D2633ti2.resources
- %TEMP%\MSNPSharp.dll
- %TEMP%\gtqozqrt.0.vb
- %HOMEPATH%\seura.exe
- %TEMP%\jEDyXa.resources
- %TEMP%\svchost.exe
- %TEMP%\kezuk.exe
- %TEMP%\gtqozqrt.exe
- %TEMP%\Mz.resources
- %TEMP%\q.resources
- %TEMP%\RES2.tmp
- %TEMP%\gtqozqrt.cmdline
- %TEMP%\gtqozqrt.out
- %TEMP%\vbc1.tmp
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\seura.exe
- <Drive name for removable media>:\autorun.inf
- %HOMEPATH%\seura.exe
Deletes the following files:
- <Drive name for removable media>:\Passwords_backup.exe
- %TEMP%\windowsupdate.ico
- %TEMP%\RESD.tmp
- %TEMP%\kv8xtv1f.cmdline
- %TEMP%\Mz.resources
- %TEMP%\q.resources
- %TEMP%\pnhp6t2t.cmdline
- %TEMP%\R.resources
- %TEMP%\MWUcIeSAl.resources
- %TEMP%\vbcC.tmp
- %TEMP%\pnhp6t2t.out
- %TEMP%\pnhp6t2t.0.vb
- %TEMP%\kv8xtv1f.out
- <Drive name for removable media>:\Porn.exe
- %TEMP%\gtqozqrt.exe
- %TEMP%\gtqozqrt.cmdline
- %TEMP%\RES2.tmp
- <Drive name for removable media>:\Sexy.exe
- %TEMP%\vbc1.tmp
- %TEMP%\RESA.tmp
- %TEMP%\vbc9.tmp
- %TEMP%\kv8xtv1f.0.vb
- %TEMP%\gtqozqrt.out
- %TEMP%\gtqozqrt.0.vb
- <Drive name for removable media>:\Passwords.exe
Network activity:
Connects to:
- '17#.#3.169.14':80
- '25#.#55.255.255':8000
UDP:
- DNS ASK ns#.##ayer1352.org
- DNS ASK ns#.##ayer1352.net
- DNS ASK ns#.##ayer1352.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
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