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Trojan.DownLoader10.4325

Added to the Dr.Web virus database: 2013-08-15

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates the following services:
  • [<HKLM>\SYSTEM\ControlSet001\Services\b3852256de5edec] 'ImagePath' = '<DRIVERS>\b3852256de5edec.sys'
  • [<HKLM>\SYSTEM\ControlSet001\Services\b3852256de5edec] 'Start' = '00000000'
  • [<HKLM>\SYSTEM\ControlSet001\Services\syshost32] 'Start' = '00000002'
  • [<HKLM>\SYSTEM\ControlSet001\Services\2a212] 'Start' = '00000001'
Malicious functions:
Creates and executes the following:
  • '%WINDIR%\Installer\{E57D208A-0DCA-C4E3-AF29-51A089755625}\syshost.exe' /service
Hooks the following functions in System Service Descriptor Table (SSDT):
  • NtOpenThread, handler: unknown
  • NtOpenProcess, handler: unknown
Modifies file system :
Creates the following files:
  • <DRIVERS>\b3852256de5edec.sys
  • %WINDIR%\Temp\RGI1.tmp
  • %WINDIR%\Installer\{E57D208A-0DCA-C4E3-AF29-51A089755625}\syshost.exe
  • <DRIVERS>\2a212.sys
Deletes the following files:
  • <DRIVERS>\2a212.sys
Moves itself:
  • from <Full path to virus> to %TEMP%\90e5b7a8.tmp
Deletes itself.
Network activity:
Connects to:
  • '62.##.229.134':80
  • 'fa###ook.com':80
  • '20#.#6.232.182':80
  • '62.##.229.126':80
TCP:
HTTP POST requests:
  • 62.##.229.134/cgi-bin/auth.cgi
  • 62.##.229.126/cgi-bin/auth.cgi
UDP:
  • DNS ASK eg####pjwhjbmg.ms
  • DNS ASK ww####kdcregm.ki
  • DNS ASK vg###rtreejg.cc
  • DNS ASK mw####nrkyvpc.cm
  • DNS ASK cx###hctyv.im
  • DNS ASK jn#####plchpvgoamed.tj
  • DNS ASK ku###ajvtswi.nf
  • DNS ASK yl#####qwwdkfxhci.cx
  • DNS ASK mq####cjemetobw.tj
  • DNS ASK lc#######apotdxhbqkwupumq.sc
  • DNS ASK rs#####gtcecaupask.im
  • DNS ASK rq###vctjni.ms
  • DNS ASK kb######qttdvnrvjixodi.mu
  • DNS ASK fg#######kqtgqkvafrnjtegk.la
  • DNS ASK tx###thcrlx.ki
  • DNS ASK wc###vxywhti.in
  • DNS ASK te###sohnjhm.la
  • DNS ASK wh###lfvkej.ac
  • DNS ASK ig###mbndeqr.ms
  • DNS ASK lk#####kqeynmydsr.in
  • DNS ASK yb######wwtqfrflbfxvy.im
  • DNS ASK xf#####qxupcjqffoajy.jp
  • DNS ASK nf#####lfahifbpaaum.cx
  • DNS ASK cu#####lbellifwwh.ki
  • DNS ASK to###fgluaxx.sh
  • DNS ASK va#######klhocnnwpmavedsh.tj
  • DNS ASK em####wyuerseldh.mn
  • DNS ASK bi######wdcoptwmbdsjs.so
  • DNS ASK vw####gpuyfdjt.jp
  • DNS ASK yv#######npykjpllrescmkvt.mn
  • DNS ASK wl###vjprnd.so
  • DNS ASK bl#####xjhmgnkoogt.sc
  • DNS ASK mp####njrxchx.la
  • DNS ASK ea######sskerpvfhukqrw.im
  • DNS ASK jv######dqblaasksmprt.cc
  • DNS ASK kr#######udkikcrmdjwebieu.nu
  • DNS ASK by######syudgyfpbuhijgb.im
  • DNS ASK ir###ncqguxr.tj
  • DNS ASK ed######pswvuejjqahwaa.cc
  • DNS ASK aq######oslqauwbyambawlg.in
  • DNS ASK hk####dpcjuehes.sh
  • DNS ASK ot######awvkxlmjnutset.im
  • DNS ASK tk###qpurw.ki
  • DNS ASK jh#####mdeinpwkoyjg.cc
  • DNS ASK op#####gedowwggnwd.mn
  • DNS ASK bf####uoycvam.nf
  • DNS ASK ul###fnays.nf
  • DNS ASK eo######bvtgpaeantfvdpq.sc
  • DNS ASK iq####ebvupke.tw
  • DNS ASK av###kydvdhq.sh
  • DNS ASK gi#####rbbulbjqwrn.ac
  • DNS ASK fo#####hmjhcwsumq.im
  • DNS ASK fj#####ynrocnyioe.cx
  • DNS ASK nk####mefqwey.nu
  • DNS ASK fl####rapigiqrao.sc
  • DNS ASK js######whhckkuqihjkl.so
  • DNS ASK qc#####jvfunmmwag.la
  • DNS ASK bt#####ovksahmchfnqa.cc
  • DNS ASK dc#####xqvabpqcla.sh
  • DNS ASK gf#####ffstqekpvwjlm.in
  • DNS ASK jn#######uypowwcrjbnkfudf.nu
  • DNS ASK gr####vxttxeewmm.ac
  • DNS ASK wr#####xjptnlwtxy.tw
  • DNS ASK xc###omeev.la
  • DNS ASK oi#####eedcoeyrsfeiw.sc
  • DNS ASK ct###yodupv.tj
  • DNS ASK rl###xdatmg.com
  • DNS ASK in####kyufrfv.com
  • DNS ASK fa###ook.com
  • DNS ASK microsoft.com
  • DNS ASK nf####byjhym.com
  • DNS ASK yr###zmprty.com
  • DNS ASK ci###uxesyg.com
  • DNS ASK we###dimtw.so
  • DNS ASK ra#####osytibjlgaj.cc
  • DNS ASK bj######lyvopgvgvywydd.jp
  • DNS ASK rv####msginwcco.com
  • DNS ASK xa###rglwd.com
  • DNS ASK wk###ibpho.com
  • DNS ASK ow#####wmffuurwktddt.so
  • DNS ASK rr#####ljuqbcajxc.nf
  • DNS ASK wg######xuhrjugoxevbocke.in
  • DNS ASK ea#####ilaojurqde.ki
  • DNS ASK dv#####ldyfwpdwyuck.tj
  • DNS ASK nh###flsml.jp
  • DNS ASK dh#######mchnhsbfdyrcvuto.ms
  • DNS ASK wb######vlxvmabhmcksbrt.la
  • DNS ASK cw###ntasbv.sc
  • DNS ASK jb####cmcbceoenx.so
  • DNS ASK sa######tqyrmfyxhadhfy.ms
  • DNS ASK vq#####evgubvnmtrkj.jp
  • DNS ASK ps####pppcbwp.tj
  • DNS ASK rn######ggmiynorwroelmw.im
  • DNS ASK cn####adeplbwyst.cm
  • DNS ASK ga######nctdcidsrvrlso.tj
  • DNS ASK jm######uevhpgnismkrdfnu.in
  • DNS ASK xg###xrduksh.so
  • DNS ASK lc####aweprai.tw
  • DNS ASK fs####hjupwduxcf.mu
  • DNS ASK wy####lnolawwbc.mn
  • DNS ASK ig######vrluqggknpmvoq.ki
  • DNS ASK af######qpvamxoefhkhrv.ki
  • DNS ASK xd#######mjcbueivpxpkjiqy.tj
  • DNS ASK kc####gpxbjrb.cx
  • DNS ASK rc####sgxcompnnv.mu
  • DNS ASK rb#####kkcbkietslb.ki

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.
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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