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Trojan.Rmnet.78

Added to the Dr.Web virus database: 2017-05-20

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'MciGkrwk' = '<LS_APPDATA>\eyqtaont\mcigkrwk.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,,<LS_APPDATA>\eyqtaont\mcigkrwk.exe'
Creates or modifies the following files:
  • %HOMEPATH%\Start Menu\Programs\Startup\mcigkrwk.exe
Creates the following services:
  • [<HKLM>\SYSTEM\ControlSet001\Services\Micorsoft Windows Service] 'ImagePath' = '%TEMP%\tqgnnosw.sys'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DisableNotifications' = '00000001'
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
  • Windows Update
  • Windows Security Center
blocks the following features:
  • User Account Control (UAC)
  • Windows Security Center
Creates and executes the following:
  • '%TEMP%\ekdbmtyq.exe' admin
  • '%TEMP%\ekdbmtyq.exe' elevate
Executes the following:
  • '<SYSTEM32>\cmd.exe' /C ""%TEMP%\ekdbmtyq.exe"" admin
  • '<SYSTEM32>\svchost.exe'
Injects code into
the following system processes:
Hooks the following functions in System Service Descriptor Table (SSDT):
  • NtOpenKey, handler: tqgnnosw.sys
  • NtCreateKey, handler: tqgnnosw.sys
Modifies file system:
Creates the following files:
  • %TEMP%\tqgnnosw.sys
  • %WINDIR%\Temp\6decd52f
  • %WINDIR%\Temp\7fffffb1
  • <LS_APPDATA>\eyqtaont\mcigkrwk.exe
  • %TEMP%\ekdbmtyq.exe
  • %ALLUSERSPROFILE%\Application Data\bjdwbfvf.log
  • <LS_APPDATA>\niuydqre.log
Sets the 'hidden' attribute to the following files:
  • %HOMEPATH%\Start Menu\Programs\Startup\mcigkrwk.exe
Deletes the following files:
  • %TEMP%\tqgnnosw.sys
Network activity:
Connects to:
  • 'su#####rwhjfxdqbt.com':443
  • 'xp###lpguj.com':443
  • 'sd####lyavjif.com':443
  • 'bj###vngsn.com':443
  • 'la###jvqc.com':443
  • 'de#####paoywbeccng.com':443
  • 'vo#####uxkkmhbmuac.com':443
  • 'ma###rada.com':443
  • '74.##5.232.51':80
  • 'po####jnvfauh.com':443
  • 'qu###xiga.com':443
  • 'fo#####ykmdxodav.com':443
UDP:
  • DNS ASK da###lbs.com
  • DNS ASK ke####bypwgfqyg.com
  • DNS ASK kx#####oqnlfwfvisbb.com
  • DNS ASK bg#####pdfqnqppg.com
  • DNS ASK mq####itbbak.com
  • DNS ASK xl####tggmabhpp.com
  • DNS ASK py####pajlxoeoc.com
  • DNS ASK gc###bgura.com
  • DNS ASK iw###pbwppg.com
  • DNS ASK oo####wmyxunlr.com
  • DNS ASK il#####vfabsxnodio.com
  • DNS ASK xa####olgpym.com
  • DNS ASK pq#####thkuhlyoycp.com
  • DNS ASK ri###mncox.com
  • DNS ASK vk####pjiqwejsv.com
  • DNS ASK rb###ssmhcx.com
  • DNS ASK go####gvolnkcpo.com
  • DNS ASK kp###ugumx.com
  • DNS ASK wv####xvdjag.com
  • DNS ASK bg###vwufi.com
  • DNS ASK ox###xtyyr.com
  • DNS ASK rd###uyxkh.com
  • DNS ASK ej###jdfvkh.com
  • DNS ASK rd###vyaon.com
  • DNS ASK ec###nbib.com
  • DNS ASK rd####tsxxsvkj.com
  • DNS ASK mr####oxjgrnqm.com
  • DNS ASK kg####ycaynei.com
  • DNS ASK dv###yqhomu.com
  • DNS ASK ah####mbxjqjon.com
  • DNS ASK dq####ddwvllihp.com
  • DNS ASK kb###agf.com
  • DNS ASK wg###cdb.com
  • DNS ASK ip#####knysfvomq.com
  • DNS ASK dp####aikowymh.com
  • DNS ASK yc####htqeenpso.com
  • DNS ASK ge###kyac.com
  • DNS ASK bing.com
  • DNS ASK oq####mhigjfw.com
  • DNS ASK cy#####pqdllvrxqu.com
  • DNS ASK br####kmgndn.com
  • DNS ASK ii###gbo.com
  • DNS ASK ov###fobf.com
  • DNS ASK gx###jxn.com
  • DNS ASK la###jvqc.com
  • DNS ASK bj###vngsn.com
  • DNS ASK vu####bqnuot.com
  • DNS ASK lq#####thqejaosnm.com
  • DNS ASK wv#####liuqbakkxry.com
  • DNS ASK er###qeq.com
  • DNS ASK oq####sfugms.com
  • DNS ASK fo#####ykmdxodav.com
  • DNS ASK qu###xiga.com
  • DNS ASK vo#####uxkkmhbmuac.com
  • DNS ASK google.com
  • DNS ASK ma###rada.com
  • DNS ASK su#####rwhjfxdqbt.com
  • DNS ASK de#####paoywbeccng.com
  • DNS ASK xp###lpguj.com
  • DNS ASK po####jnvfauh.com
  • DNS ASK sd####lyavjif.com
  • DNS ASK iu####gmqgyf.com
  • DNS ASK vd####rwmhpvtw.com
  • DNS ASK of###xwx.com
  • DNS ASK we####bsrjjf.com
  • DNS ASK pe####kmewcix.com
  • DNS ASK mr###wva.com
  • DNS ASK ib#####odpyxmfhyk.com
  • DNS ASK fy#####lnlaedmnew.com
  • DNS ASK hx###cpwyxh.com
  • DNS ASK si####sxureorb.com
  • DNS ASK sv####vugdxo.com
  • DNS ASK wf###jxywb.com
  • DNS ASK fb####kvhcgp.com
  • DNS ASK gm#####jcwvaidubfha.com
  • DNS ASK qb#####jlbetfrjfh.com
  • DNS ASK ot####ndkmwgak.com
  • DNS ASK tu####asasucgkv.com
  • DNS ASK yy####ghkfwqpyq.com
  • DNS ASK aa####jyvxlosy.com
  • DNS ASK fm####ycqcllrql.com
  • DNS ASK aj###vwcsnp.com

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

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  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