Win32.HLLW.Autoruner1.30386
Added to the Dr.Web virus database:
2012-11-26
Virus description added:
2012-11-26
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'ecivrestn' = '%WINDIR%\ntservice.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\update.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
Executes the following:
- <SYSTEM32>\net1.exe stop SharedAccess
- <SYSTEM32>\net.exe stop SharedAccess
- <SYSTEM32>\taskkill.exe /F /IM dllservice.exe
Injects code into
the following system processes:
- <SYSTEM32>\wbem\wmiprvse.exe
Modifies file system :
Creates the following files:
- C:\autorun.inf
- C:\update.exe
- %WINDIR%\ntservice.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\update.exe
- C:\update.exe
- %WINDIR%\ntservice.exe
- C:\autorun.inf
Network activity:
Connects to:
UDP:
- DNS ASK su####98.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: ''
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