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Trojan.DownLoader7.18093

Aggiunto al database dei virus Dr.Web: 2012-11-02

La descrizione è stata aggiunta:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'MhrHcrji' = '<LS_APPDATA>\ebaurodr\mhrhcrji.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,,<LS_APPDATA>\ebaurodr\mhrhcrji.exe'
Creates or modifies the following files:
  • %HOMEPATH%\Start Menu\Programs\Startup\mhrhcrji.exe
Malicious functions:
To complicate detection of its presence in the operating system,
blocks the following features:
  • User Account Control (UAC)
Creates and executes the following:
  • %TEMP%\empchqloliakgweu.exe admin
  • %TEMP%\empchqloliakgweu.exe elevate
Executes the following:
  • <SYSTEM32>\svchost.exe
Hooks the following functions in System Service Descriptor Table (SSDT):
  • NtOpenKey, handler: tssofofu.sys
  • NtCreateKey, handler: tssofofu.sys
Modifies file system :
Creates the following files:
  • %TEMP%\tssofofu.sys
  • %WINDIR%\Temp\6decd52f
  • %WINDIR%\Temp\7fffffb1
  • <LS_APPDATA>\ebaurodr\mhrhcrji.exe
  • %TEMP%\empchqloliakgweu.exe
  • %ALLUSERSPROFILE%\Application Data\bjdwbfvf.log
  • <LS_APPDATA>\niuydqre.log
Sets the 'hidden' attribute to the following files:
  • %HOMEPATH%\Start Menu\Programs\Startup\mhrhcrji.exe
Deletes the following files:
  • %TEMP%\tssofofu.sys
Network activity:
Connects to:
  • 'uk####gdbdkd.com':443
  • 'ti####axvmhsxtk.com':443
  • 'cx#####efolgkokdqy.com':443
  • 'ji####yxjibyd.com':443
  • 'ou###vkvn.com':443
  • 'ca###lnlrou.com':443
  • '74.##5.232.51':80
  • 'sn#####gcwgaafbtqkt.com':443
  • 'kh#####kbwhfdiufhaj.com':443
UDP:
  • DNS ASK gm###efkqm.com
  • DNS ASK ia####mfylemjyq.com
  • DNS ASK hb###hxcf.com
  • DNS ASK me#####cqxdvseeesd.com
  • DNS ASK jm#####clkxellkxgn.com
  • DNS ASK ri####rjqsnw.com
  • DNS ASK gj####rakldhem.com
  • DNS ASK gg#####urkffvsfxxdh.com
  • DNS ASK ri####ielwbe.com
  • DNS ASK wg###ijomue.com
  • DNS ASK ot####jwjvcno.com
  • DNS ASK cl#####ixpqmyspofp.com
  • DNS ASK yp###sqx.com
  • DNS ASK xh###wpga.com
  • DNS ASK le####tmbnofr.com
  • DNS ASK ga###ccnb.com
  • DNS ASK xt#####qjrckayml.com
  • DNS ASK ka#####swjvqgdso.com
  • DNS ASK nw#####ynypuhbpkpx.com
  • DNS ASK ln###rnhb.com
  • DNS ASK mi####cwjddy.com
  • DNS ASK eo####abjwow.com
  • DNS ASK ld###wwwgw.com
  • DNS ASK ks####hbmctx.com
  • DNS ASK rr###trt.com
  • DNS ASK xj#####hxpfekmlcwv.com
  • DNS ASK ku#####xrlyrbffu.com
  • DNS ASK hr####isqjtadka.com
  • DNS ASK xp#####pcgatgypiepg.com
  • DNS ASK fj###qbvoae.com
  • DNS ASK ya##o.com
  • DNS ASK nj####isfxnxw.com
  • DNS ASK ry####smekfu.com
  • DNS ASK ta#####luhhediie.com
  • DNS ASK hg###appdn.com
  • DNS ASK wp###hff.com
  • DNS ASK lk#####syhvlugcap.com
  • DNS ASK nf####jmdfvqpj.com
  • DNS ASK mr####hohkbsju.com
  • DNS ASK wb#####qnqsbmhcdcfs.com
  • DNS ASK iu#####heehbvhpkp.com
  • DNS ASK ij####cfabvpqh.com
  • DNS ASK gp#####qrjmfydxckai.com
  • DNS ASK jl###rurxa.com
  • DNS ASK ec#####djcyhggfk.com
  • DNS ASK xs###qxa.com
  • DNS ASK jd#####rebamtbcqa.com
  • DNS ASK ll####xrxoqk.com
  • DNS ASK xy###lxriaj.com
  • DNS ASK hj####ieibafwv.com
  • DNS ASK pb####byxfajxlr.com
  • DNS ASK ud###oed.com
  • DNS ASK ci#####keaojdxcxu.com
  • DNS ASK uu###cksfo.com
  • DNS ASK qf###qnr.com
  • DNS ASK pq#####ftjalqahlo.com
  • DNS ASK ie####ccgyvca.com
  • DNS ASK ox###dxd.com
  • DNS ASK om###oghcqw.com
  • DNS ASK xs#####tdkvikelygk.com
  • DNS ASK fy###auygyk.com
  • DNS ASK lh####gojmdtq.com
  • DNS ASK at#####eqdholwyafo.com
  • DNS ASK yy###npgo.com
  • DNS ASK fj####jsqreelq.com
  • DNS ASK lv###wthsn.com
  • DNS ASK ow#####artmagudc.com
  • DNS ASK qx####scxhradd.com
  • DNS ASK nc#####piawmchfylsy.com
  • DNS ASK vo###yqdinl.com
  • DNS ASK ld####dyyxacm.com
  • DNS ASK xw####iqjdsxk.com
  • DNS ASK mu####pvxvrq.com
  • DNS ASK go#####vwvgqlretxd.com
  • DNS ASK du#####abkuappgqxhp.com
  • DNS ASK em#####wjuvvsvrwj.com
  • DNS ASK ya###fejdxs.com
  • DNS ASK pg###yurf.com
  • DNS ASK oc###ffwnj.com
  • DNS ASK ye#####bbprvybwqn.com
  • DNS ASK ls#####qxvmogvxifm.com
  • DNS ASK ku###xnntsk.com
  • DNS ASK tf####kcgigiey.com
  • DNS ASK pp####dwufrb.com
  • DNS ASK vw####yyutodtr.com
  • DNS ASK ou###vkvn.com
  • DNS ASK uk####gdbdkd.com
  • DNS ASK ji####yxjibyd.com
  • DNS ASK ti####axvmhsxtk.com
  • DNS ASK ca###lnlrou.com
  • DNS ASK google.com
  • DNS ASK sn#####gcwgaafbtqkt.com
  • DNS ASK kh#####kbwhfdiufhaj.com
  • DNS ASK qb###pyyooh.com
  • DNS ASK ub####qslhqyy.com
  • DNS ASK nv###npx.com
  • DNS ASK vr####jxorlyen.com
  • DNS ASK tf###oingy.com
  • DNS ASK cx#####efolgkokdqy.com
  • DNS ASK sw###olov.com
  • DNS ASK ht#####rhtchwlhwklf.com
  • DNS ASK pu#####fuxgquhguye.com
  • DNS ASK sh####mbrgcqoeh.com
  • DNS ASK ft####jkomqdw.com
  • DNS ASK tt####oohhkrhl.com
  • DNS ASK da#####mpfufkvaa.com
  • DNS ASK kt###ueyc.com
  • DNS ASK nh####gxtgrnk.com
  • DNS ASK pv###jpvih.com
  • DNS ASK nd#####nkplaavqsfa.com
  • DNS ASK ap###ackpqd.com
  • DNS ASK an####ojndegpnm.com
  • DNS ASK kb###dsc.com
  • DNS ASK jp#####akusewlaqfdt.com
  • DNS ASK yb###abknhn.com
  • DNS ASK bing.com
  • DNS ASK nk###xbt.com
  • DNS ASK rb#####qgsmmnnvfv.com
  • DNS ASK mv#####wfkayjrqfni.com
  • DNS ASK mf###hnjp.com
  • DNS ASK jp####bipilmwsc.com
  • DNS ASK sp####davslss.com
  • DNS ASK sj###aml.com
  • DNS ASK bx###oxw.com
  • DNS ASK cp#####hyrueqcyxnvo.com
  • DNS ASK ga###slj.com
  • DNS ASK gv###sip.com
  • DNS ASK wa#####mnswdmbuhcn.com
  • DNS ASK hn#####vhxvuoeuap.com
  • DNS ASK ex#####uxrdvhijan.com
  • DNS ASK gy####siciis.com
  • DNS ASK de###mdyvt.com
  • DNS ASK hc###nlr.com
  • DNS ASK rx###xbkc.com
  • DNS ASK fx###tgx.com
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