Win32.HLLW.Autoruner2.14007
Added to the Dr.Web virus database:
2014-05-07
Virus description added:
2014-05-08
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Inoyikotadoqev' = 'rundll32.exe "%WINDIR%\tcaresec.dll",Startup'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Nvidia Control Center' = '<SYSTEM32>\NvTaskbarInit.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'wextract_cleanup0' = 'rundll32.exe <SYSTEM32>\advpack.dll,DelNodeRunDLL32 "%TEMP%\IXP000.TMP\"'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\RECYCLER\S-1-6-21-2434476521-1645641927-702000330-1542\redmond.exe
- <Drive name for removable media>:\RECYCLER\S-1-6-21-2434476521-1645641927-702000330-1542\Desktop.ini
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\NvTaskbarInit.exe' = '<SYSTEM32>\NvTaskbarInit.exe:*:Enabled:Explorer'
To complicate detection of its presence in the operating system,
blocks the following features:
- User Account Control (UAC)
- Windows Security Center
Creates and executes the following:
- '<SYSTEM32>\NvMcTray.exe'
- '%TEMP%\IXP000.TMP\document.exe'
- '%TEMP%\IXP000.TMP\xact32.exe'
Executes the following:
- '<SYSTEM32>\rundll32.exe' "%WINDIR%\tcaresec.dll",iep
- '<SYSTEM32>\rundll32.exe' "%WINDIR%\tcaresec.dll",Startup
Terminates or attempts to terminate
the following user processes:
- Drweb32w.exe
- Drwebupw.exe
- AVP.EXE
- bdss.exe
- bdagent.exe
- ekrn.exe
Modifies file system :
Creates the following files:
- <SYSTEM32>\NvMcTray.exe
- %WINDIR%\tcaresec.dll
- <SYSTEM32>\NvTaskbarInit.exe
- %TEMP%\IXP000.TMP\xact32.exe
- %TEMP%\IXP000.TMP\document.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\RECYCLER\S-1-6-21-2434476521-1645641927-702000330-1542\redmond.exe
- <SYSTEM32>\NvTaskbarInit.exe
Deletes the following files:
- %TEMP%\IXP000.TMP\xact32.exe
- %TEMP%\IXP000.TMP\document.exe
Network activity:
Connects to:
- 'localhost':1040
- 'www.wh###smyip.com':80
TCP:
HTTP GET requests:
- www.wh###smyip.com/automation/n09230945.asp
UDP:
- DNS ASK 00######0409.lantzel.com
- DNS ASK ns.#ail.ru
- DNS ASK mx.##stmail.fm
- DNS ASK re###.mail.ru
- DNS ASK mx#.mail.ru
- DNS ASK ma###.mail.ru
- DNS ASK sy###tico.ca
- DNS ASK 00######040a.aginder.net
- DNS ASK ma###.fastmail.fm
- DNS ASK re###.fastmail.fm
- DNS ASK ns.##stmail.fm
- DNS ASK mx#.#astmail.fm
- DNS ASK ga##.mail.ru
- DNS ASK ma##.#astmail.fm
- DNS ASK sm##.#astmail.fm
- DNS ASK fa##mail.fm
- DNS ASK ma#l.ru
- DNS ASK ch#t.ru
- DNS ASK ui#.nnov.ru
- DNS ASK microsoft.com
- DNS ASK www.wh###smyip.com
- DNS ASK 00########.########.##.###########64E3EBDB515CF424340FC.n.empty.1316.empty.5_1._t_i.ffffffff.document_exe.168.rc2.a4h9uploading.com
- DNS ASK 00######0406.lantzel.com
- DNS ASK db##on.org
- DNS ASK ea###link.net
- DNS ASK sm##.mail.ru
- DNS ASK gr####-online.co.uk
- DNS ASK ma##.mail.ru
- DNS ASK we#.de
- DNS ASK ka##o.at
- DNS ASK mx.#ail.ru
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
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