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Win32.HLLW.Autoruner1.37827
Added to the Dr.Web virus database:
2013-05-23
Virus description added:
2013-05-24
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ctfmon.exe] 'Debugger' = 'upnpsytem.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'ctfmon.exe' = 'ctfmon.exe'
Creates the following files on removable media:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\RECYCLER\S-1-6-20-3802918391-3809376219-530039213-2313\flrun.exe
<Drive name for removable media>:\RECYCLER\S-1-6-20-3802918391-3809376219-530039213-2313\Desktop.ini
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
blocks the following features:
Creates and executes the following:
'<SYSTEM32>\upnpsytem.exe'
Executes the following:
'<SYSTEM32>\ipconfig.exe' /pid=3040
'<SYSTEM32>\ipconfig.exe' /pid=2480
'<SYSTEM32>\ipconfig.exe' /flushdns
Injects code into
the following system processes:
<SYSTEM32>\ipconfig.exe
%WINDIR%\Explorer.EXE
Terminates or attempts to terminate
the following user processes:
MCAGENT.EXE
fsav32.exe
fsav.exe
zlclient.exe
spidernt.exe
nod32.exe
bdss.exe
bdagent.exe
360tray.exe
GUARD.EXE
Drweb32w.exe
ClamWin.exe
Searches for windows to
detect analytical utilities:
ClassName: 'OLLYDBG' WindowName: ''
Hides the following processes:
C:\bf32d3b0\<Virus name>.exe
<SYSTEM32>\upnpsytem.exe
Modifies file system :
Creates the following files:
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\RECYCLER\S-1-6-20-3802918391-3809376219-530039213-2313\flrun.exe
<SYSTEM32>\upnpsytem.exe
Modifies the HOSTS file.
Network activity:
Connects to:
'fr######.buscandophotos.info':6501
'23###########l1i1lil1iljijl.mejorphotos.info':52019
'st######.buscandophotos.info':31960
'n3####.imageshares.info':22048
'n3####.imageshares.info':5276
'll################llliiiiilililllliljjjljijljijlj.mejorphotos.info':7302
't0##.##uvoyoutube.info':5276
'k1####.imageshares.info':34091
'b3####.#euvoyoutube.info':6501
'23###########l1i1lil1iljijl.mejorphotos.info':51601
't0##.##uvoyoutube.info':52019
'st######.buscandophotos.info':5276
'k1####.imageshares.info':9103
'p0##.###candophotos.info':6501
'b3##.###candophotos.info':52019
'f1###.#euvoyoutube.info':31960
'il###########lliliilililllili.mejorphotos.info':52019
'll################llliiiiilililllliljjjljijljijlj.mejorphotos.info':31960
'p0####.imageshares.info':9899
'f1###.#euvoyoutube.info':52019
'n3####.imageshares.info':9899
't0##.##uvoyoutube.info':9103
'n3####.imageshares.info':34091
'b3##.###candophotos.info':22048
'f1###.#euvoyoutube.info':51601
'p0##.###candophotos.info':7601
'k1####.imageshares.info':6501
'b1####.imageshares.info':41350
'p0####.imageshares.info':31960
'f1###.#euvoyoutube.info':22048
'b3####.#euvoyoutube.info':9899
'fr######.buscandophotos.info':41350
'k1####.imageshares.info':22048
'p0##.###candophotos.info':9103
'll################llliiiiilililllliljjjljijljijlj.mejorphotos.info':22048
UDP:
DNS ASK b1####.imageshares.info
DNS ASK ll################llliiiiilililllliljjjljijljijlj.mejorphotos.info
DNS ASK fr######.buscandophotos.info
DNS ASK b3####.#euvoyoutube.info
DNS ASK il###########lliliilililllili.mejorphotos.info
DNS ASK st######.buscandophotos.info
DNS ASK 23###########l1i1lil1iljijl.mejorphotos.info
DNS ASK p0##.###candophotos.info
DNS ASK n3####.imageshares.info
DNS ASK b3##.###candophotos.info
DNS ASK f1###.#euvoyoutube.info
DNS ASK k1####.imageshares.info
DNS ASK t0##.##uvoyoutube.info
DNS ASK p0####.imageshares.info
Miscellaneous:
Searches for the following windows:
ClassName: 'Shell_TrayWnd' WindowName: ''
ClassName: 'WispWindowClass' WindowName: ''
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