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Trojan.DownLoader30.25319
Added to the Dr.Web virus database:
2019-09-30
Virus description added:
2019-10-02
Technical Information
To ensure autorun and distribution
Creates the following services
[<HKLM>\System\CurrentControlSet\Services\PolicyAgent] 'Start' = '00000002'
Modifies file system
Creates the following files
%TEMP%\taikhk15.0.cs
%TEMP%\taikhk15.cmdline
%TEMP%\taikhk15.out
%TEMP%\csc3337.tmp
%TEMP%\res3348.tmp
%TEMP%\taikhk15.dll
%WINDIR%\sysupdate.log
C:\recycler\date64\winupdate64.log
Deletes the following files
%TEMP%\res3348.tmp
%TEMP%\csc3337.tmp
%TEMP%\taikhk15.0.cs
%TEMP%\taikhk15.pdb
%TEMP%\taikhk15.cmdline
%TEMP%\taikhk15.out
%TEMP%\taikhk15.dll
Network activity
TCP
HTTP GET requests
http://do##.wuqjzc.xyz/1U22nOJHFdDmYcgCS.jpg
UDP
Miscellaneous
Creates and executes the following
'%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\taikhk15.cmdline"' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filteraction name=FilteraAtion1 action=block' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=14444 protocol=TCP' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=14443 protocol=TCP' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=9999 protocol=TCP' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=9000 protocol=TCP' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=8888 protocol=TCP' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=8443 protocol=TCP' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=7777 protocol=TCP' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=6666 protocol=TCP' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=5555 protocol=TCP' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=4444 protocol=TCP' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add rule name=Rule1 policy=qianye filterlist=Filter1 filteraction=FilteraAtion1' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=3333 protocol=TCP' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=21 protocol=TCP' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=139 protocol=UDP' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=135 protocol=UDP' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=445 protocol=UDP' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=139 protocol=TCP' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=135 protocol=TCP' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=445 protocol=TCP' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filterlist name=Filter1' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add policy name=qianye' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' interface ipv6 install' (with hidden window)
'%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES3348.tmp" "%TEMP%\CSC3337.tmp"' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=2222 protocol=TCP' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static set policy name=qianye assign=y' (with hidden window)
Executes the following
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -nop -windowstyle hidden -exec bypass -EncodedCommand DQAKAEEAZABkAC0AVAB5AHAAZQAgAC0AVAB5AHAAZQBEAGUAZgBpAG4AaQB0AGkAbwBuACAAQAAiAA0ACgB1AHMAaQBuAGcAIABTAHkAcwB0AGUAbQA7AA0ACgB1AHMAaQBuAGcAIAB...
'%WINDIR%\syswow64\netsh.exe' ipsec static add filteraction name=FilteraAtion1 action=block
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=14444 protocol=TCP
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=14443 protocol=TCP
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=9999 protocol=TCP
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=9000 protocol=TCP
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=8888 protocol=TCP
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=8443 protocol=TCP
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=7777 protocol=TCP
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=6666 protocol=TCP
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=5555 protocol=TCP
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=4444 protocol=TCP
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=3333 protocol=TCP
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=2222 protocol=TCP
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=Me dstaddr=any dstport=21 protocol=TCP
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=139 protocol=UDP
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=135 protocol=UDP
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=445 protocol=UDP
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=139 protocol=TCP
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=135 protocol=TCP
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=445 protocol=TCP
'%WINDIR%\syswow64\netsh.exe' ipsec static add filterlist name=Filter1
'%WINDIR%\syswow64\netsh.exe' ipsec static add policy name=qianye
'%WINDIR%\syswow64\netsh.exe' interface ipv6 install
'%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES3348.tmp" "%TEMP%\CSC3337.tmp"
'%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\taikhk15.cmdline"
'%WINDIR%\syswow64\netsh.exe' ipsec static add rule name=Rule1 policy=qianye filterlist=Filter1 filteraction=FilteraAtion1
'%WINDIR%\syswow64\netsh.exe' ipsec static set policy name=qianye assign=y
Attempts to shut down the Windows operating system.
Recommandations pour le traitement
Windows
macOS
Linux
Android
Si le système d'exploitation peut être démarré (en mode normal ou en mode sans échec), téléchargez Dr.Web Security Space et lancez un scan complet de votre ordinateur et de tous les supports amovibles que vous utilisez. En savoir plus sur Dr.Web Security Space .
Si le démarrage du système d'exploitation est impossible, veuillez modifier les paramètres du BIOS de votre ordinateur pour démarrer votre ordinateur via CD/DVD ou clé USB. Téléchargez l'image du disque de secours de restauration du système Dr.Web® LiveDisk ou l'utilitaire pour enregistrer Dr.Web® LiveDisk sur une clé USB, puis préparez la clé USB appropriée. Démarrez l'ordinateur à l'aide de cette clé et lancez le scan complet et le traitement des menaces détectées.
Si votre appareil mobile fonctionne correctement, veuillez télécharger et installer sur votre appareil mobile Dr.Web pour Android . Lancez un scan complet et suivez les recommandations sur la neutralisation des menaces détectées.
Si l'appareil mobile est bloqué par le Trojan de la famille Android.Locker (un message sur la violation grave de la loi ou la demande d'une rançon est affiché sur l'écran de l'appareil mobile), procédez comme suit:
démarrez votre Smartphone ou votre tablette en mode sans échec (si vous ne savez pas comment faire, consultez la documentation de l'appareil mobile ou contactez le fabricant) ;
puis téléchargez et installez sur votre appareil mobile Dr.Web pour Android et lancez un scan complet puis suivez les recommandations sur la neutralisation des menaces détectées ;
Débranchez votre appareil et rebranchez-le.
En savoir plus sur Dr.Web pour Android
Téléchargez Dr.Web pour Android
Gratuit pour 3 mois
Tous les composants de protection
Renouvellement de la démo via AppGallery/Google Pay
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