Win32.HLLW.Rubbish.261
Added to the Dr.Web virus database:
2012-09-26
Virus description added:
2012-10-17
Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\Shortcut to startup_local.lnk
Substitutes the following executable system files:
- <SYSTEM32>\netstat.exe with <SYSTEM32>\netstat.exe
Malicious functions:
Injects code into
the following system processes:
Modifies file system :
Creates the following files:
- %WINDIR%\inf\1.DLL
- <LS_APPDATA>\IECheck.exe
- <LS_APPDATA>\ws2help.PNF
- <LS_APPDATA>\msvcr.dll
Sets the 'hidden' attribute to the following files:
- <LS_APPDATA>\IECheck.exe
- <LS_APPDATA>\ws2help.PNF
- <LS_APPDATA>\msvcr.dll
Deletes the following files:
Moves the following system files:
- from <SYSTEM32>\netstat.exe to <SYSTEM32>\18726
Moves itself:
- from <Full path to virus> to %HOMEPATH%\My Documents\My Pictures\_@1.tmp
Network activity:
Connects to:
UDP:
- DNS ASK 3.####.3322.org.cn
- DNS ASK 4.####.3322.org.cn
- DNS ASK 2.####.3322.org.cn
- DNS ASK te##.#322.org.cn
- DNS ASK 1.####.3322.org.cn
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
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