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Trojan.DownLoader8.48891

Added to the Dr.Web virus database: 2013-04-25

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xmkkxnh' = '<LS_APPDATA>\wavbgw.exe'
Creates or modifies the following files:
  • %HOMEPATH%\Start Menu\Programs\Startup\unmst.exe
Malicious functions:
Injects code into
the following system processes:
  • %WINDIR%\Explorer.EXE
the following user processes:
  • skype.exe
Modifies file system :
Creates the following files:
  • <LS_APPDATA>\wavbgw.exe
Sets the 'hidden' attribute to the following files:
  • <LS_APPDATA>\wavbgw.exe
  • %HOMEPATH%\Start Menu\Programs\Startup\unmst.exe
Network activity:
Connects to:
  • '16#.#11.144.0':80
  • '16#.#11.144.72':80
  • '16#.#11.144.4':80
  • '16#.#11.144.35':80
  • '16#.#11.144.71':80
  • '16#.#11.144.43':80
  • '16#.#11.144.63':80
  • '16#.#11.144.53':80
  • '16#.#11.144.76':80
  • '16#.#11.144.8':80
TCP:
HTTP POST requests:
  • 16#.#11.144.0/home.php
  • 16#.#11.144.72/home.php
  • 16#.#11.144.4/home.php
  • 16#.#11.144.35/home.php
  • 16#.#11.144.71/home.php
  • 16#.#11.144.43/home.php
  • 16#.#11.144.63/home.php
  • 16#.#11.144.53/home.php
  • 16#.#11.144.76/home.php
  • 16#.#11.144.8/home.php
UDP:
  • DNS ASK go#.gl
  • DNS ASK ti##link.in
  • DNS ASK ar#.in
  • DNS ASK bi###ink.com
  • DNS ASK ch##p.it
  • DNS ASK ho###orturl.com
  • DNS ASK ti#y.cc
  • DNS ASK ye#.it
  • DNS ASK ab##r.com
  • DNS ASK ti###ong.com
  • DNS ASK bu##url.com
  • DNS ASK al##rl.com
  • DNS ASK li###ala.com
  • DNS ASK b4##.net
  • DNS ASK aa##er.us
  • DNS ASK a.#f
  • DNS ASK yo##ls.org
  • DNS ASK ti###ink.com
  • DNS ASK ti##url.com
  • DNS ASK be#m.to
  • DNS ASK su.pr
  • DNS ASK ah##f.in
  • DNS ASK sh###urli.org
  • DNS ASK wo#g.to
  • DNS ASK sn#p.vu
  • DNS ASK is.gd
  • DNS ASK ni##rl.com
  • DNS ASK li###nti.com
  • DNS ASK a.#d
  • DNS ASK ta.gg
  • DNS ASK co##rl.com
  • DNS ASK it#.im
  • DNS ASK it#o.ws
  • DNS ASK sh###urli.com
  • DNS ASK mo.by
  • DNS ASK aw#.sm
  • DNS ASK ch####horturl.com
  • DNS ASK di##.com
  • DNS ASK ti###url.net
  • DNS ASK de###turl.com
  • DNS ASK ff#.to
  • DNS ASK ti###url.com
  • DNS ASK x.#u
  • DNS ASK pr##ala.com
  • DNS ASK sh###url.info
  • DNS ASK un###rten.com
  • DNS ASK sh###link.se
  • DNS ASK b2#.ru
  • DNS ASK du#l.us
  • DNS ASK sh###urli.net
  • DNS ASK co.nr
  • DNS ASK di##url.com
  • DNS ASK ca##rl.com
  • DNS ASK ti###rrows.com
  • DNS ASK sh###switch.com
  • DNS ASK db##st.de
  • DNS ASK ba#n.me
  • DNS ASK bl##t.me
  • DNS ASK ti##link.me
  • DNS ASK co##url.com
  • DNS ASK do##p.com
  • DNS ASK cl#.gs
  • DNS ASK ti###url.org
  • DNS ASK ti##link.ir
  • DNS ASK df#8.me
  • DNS ASK cl###url.com
  • DNS ASK bi#.ly
  • DNS ASK ab##.com
  • DNS ASK su#f.to
  • DNS ASK d0#.me
  • DNS ASK di##ig.com
  • DNS ASK bu##rl.com
  • DNS ASK cj#.net
  • DNS ASK fh##l.com
  • DNS ASK bi##y.com
  • DNS ASK l9#.net
  • DNS ASK yv#.me
  • DNS ASK re##r.ec
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''

Curing recommendations

  1. If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space.
  2. If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
Download Dr.Web

Download by serial number

Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.

After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

Download Dr.Web

Download by serial number

  1. If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
  2. If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
    • Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
    • Once you have activated safe mode, install the Dr.Web for Android onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
    • Switch off your device and turn it on as normal.

Find out more about Dr.Web for Android