Win32.HLLW.Autoruner.25122
Added to the Dr.Web virus database:
2010-07-23
Virus description added:
2014-01-12
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'RTHDBPL' = '%APPDATA%\SystemProc\lsass.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'RTHDBPL' = '<SYSTEM32>\adobec.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Adobe Reader Updater c1' = '<SYSTEM32>\Adobechn.exe'
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>\Adobechn.exe' = '<SYSTEM32>\Adobechn.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:
- '%APPDATA%\SystemProc\lsass.exe'
- '<SYSTEM32>\adobec.exe'
Terminates or attempts to terminate
the following user processes:
- Drweb32w.exe
- Drwebupw.exe
- AVP.EXE
- bdss.exe
- bdagent.exe
- ekrn.exe
Hides the following processes:
Modifies file system :
Creates the following files:
- %PROGRAM_FILES%\Mozilla Firefox\extensions\{9CE11043-9A15-4207-A565-0C94C42D590D}\chrome.manifest
- %PROGRAM_FILES%\Mozilla Firefox\extensions\{9CE11043-9A15-4207-A565-0C94C42D590D}\chrome\content\timer.xul
- %APPDATA%\SystemProc\lsass.exe
- <SYSTEM32>\Adobechn.exe
- <SYSTEM32>\adobec.exe
- %PROGRAM_FILES%\Mozilla Firefox\extensions\{9CE11043-9A15-4207-A565-0C94C42D590D}\install.rdf
Sets the 'hidden' attribute to the following files:
- %APPDATA%\SystemProc\lsass.exe
- <Drive name for removable media>:\RECYCLER\S-1-6-21-2434476521-1645641927-702000330-1542\redmond.exe
- <SYSTEM32>\Adobechn.exe
Deletes the following files:
Network activity:
Connects to:
TCP:
HTTP GET requests:
- www.wh###smyip.com/automation/n09230945.asp
UDP:
- DNS ASK ui#.nnov.ru
- DNS ASK ch#t.ru
- DNS ASK sm##.#icrosoft.com
- DNS ASK ma###.microsoft.com
- DNS ASK mx#.##crosoft.com
- DNS ASK microsoft.com
- DNS ASK www.wh###smyip.com
- DNS ASK ma##.#icrosoft.com
- DNS ASK ma#l.ru
- DNS ASK mx.###rosoft.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
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